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The R.A.P.Project "Prosto o slozhnom" "Astro-ph za 2005 g." Nemnogo statistiki Predydushii vypusk (N142) Slovar' astroterminov Spisok missii i teleskopov Obzory UFN Stat'i SOZh ANKa Dnya 21.09.2006. Vspyshka vnegalakticheskogo magnitara ili korotkii gamma-vsplesk? 23.08.2006. Chernaya koshka obnaruzhena 13.04.2006. On bol'she Plutona! 07.04.2006. Disk vokrug anomal'nogo pul'sara 29.03.2006. Samyi dalekii gamma-vsplesk: mesto rozhdeniya 22.03.2006. Vega krutitsya volchkom 21.03.2006. Tri goda raboty WMAP 03.03.2006. S chem mozhno pereputat' sverhnovuyu? Soderzhanie i bystryi perehod k razdelam obzora Stat'i nedeli "Luchshie iz luchshih" astro-ph/0610685 Magnitar XTE J1810-197: variacii tormozyashego momenta, plotnosti radiopotoka i struktury profilya impul'sa astro-ph/0610769 Trehmernoe raspredelenie mezhzvezdnoi sredy v Galaktike: II. Molekulyarnyi gazovyi disk astro-ph/0610840 Magnitovrashatel'nyi kollaps massivnyh zvezdnyh yader v neitronnye zvezdy: modelirovanie s uchetom effektov OTO astro-ph/0610853 Dvoistvennost' kak klyuchevoi faktor evolyucii protoplanetnyh diskov: obzor Spitcerom diskov v skoplenii Eta Hameleona astro-ph/0610906 Otchet rabochei gruppy ESA-ESO po fundamental'noi kosmologii astro-ph/0610926 Uchebnik po astrobiologii Goryachie temy nedeli Astronomiya i fundamental'nye teorii Otdel'nye stat'i Dvoinye zvezdy v planetarnyh tumannostyah Swift registriruet primechatel'nyi gamma-vsplesk GRB 060614, chto privodit k novoi klassifikacionnoi sheme Ochen' korotkoe opisanie LOFAR Fenomenologiya chernyh dyr Astrofizicheskie testy fundamental'noi fiziki Galakticheskaya istoriya: obrazovanie i evolyuciya Magnitar XTE J1810-197: variacii tormozyashego momenta, plotnosti radiopotoka i struktury profilya impul'sa Gamma dvoinye Rezyume konferencii: astronomicheskie perspektivy Astrostatistiki O vozmozhno magnitarnoi prirode IGR J16358-4726 Trehmernoe raspredelenie mezhzvezdnoi sredy v Galaktike: II. Molekulyarnyi gazovyi disk Kvazary, gamma-vspleski i lacertidy Vzaimodeistviya kosmicheskih luchei vysokih energii - obzor Brany i inflyaciya: vzglyad na teoriyu strun iz kosmosa O prirode preryvistogo pul'sara PSR B1931+24: rentgenovskie i opticheskie nablyudeniya Mezhplanetnaya i mezhzvezdnaya plazmennaya turbulentnost' Posledovatel'noe inducirovannoe zvezdoobrazovanie v OV associaciyah M/L v otdel'nyh galaktikah Magnitovrashatel'nyi kollaps massivnyh zvezdnyh yader v neitronnye zvezdy: modelirovanie s uchetom effektov OTO Dvoistvennost' kak klyuchevoi faktor evolyucii protoplanetnyh diskov: obzor Spitcerom diskov v skoplenii Eta Hameleona Gaia - mashina dlya obnaruzheniya belyh karlikov Otchet rabochei gruppy ESA-ESO po fundamental'noi kosmologii Uchebnik po astrobiologii Iz razdela physics Sistema golosovaniya po Penrouzu i optimal'naya kvota Polnyi Arhiv predydushih vypuskov. Arhiv statei, voshedshih v vypuski s 01 iyulya 2002 g. po 31 marta 2003 g. Arhiv na 14.04.2006 odnim failom (36.9 Mb; *.tar.gz) gzip homepage Razdely arhiva (s aprelya 2003 g.): kosmologiya, neitrino, kosmicheskie luchi i gamma-astronomiya, galaktiki, AYaG, kvazary, nasha Galaktika, mezhzvezdnaya sreda, zvezdy, sverhnovye, ostatki sverhnovyh, chernye dyry, neitronnye zvezdy, linzirovanie, Solnce, ekzoplanety, Solnechnaya sistema, akkreciya, tesnye dvoinye sistemy, gamma-vspleski, gravitacionnye volny, mehanizmy izlucheniya, chislennoe modelirovanie, dinamika, mehanika metody obrabotki dannyh, MGD, metody nablyudenii, budushie nablyudatel'nye proekty, prochee. Poleznye astronomicheskie ssylki. Korotkoe esse ob elektronnyh preprintah. Obzornye stat'i v astro-ph 2001-2003 gg. Obsudit' na forume Scientific.RU Obsudit' na forume Zvezdocheta Avtor proekta Sergei Popov Diskussii po stat'yam Arhiva PhysComments CosmoCoffee Postav'te u sebya nashu knopku! Proekt razmeshen na saitah: Smotri takzhe diskussii i blogi: Vy mozhet takzhe razmestit' na svoem saite nashu lentu obzorov Novostnye lenty Novosti kosmonavtiki Novosti Nauchpopa Novosti ot UFN Informnauka Researcher@ Elementy.Ru Grani.Ru Perst Podpiska na rassylku obzorov na Subscribe.Ru Druzhestvennye rassylki: "Astronomiya segodnya" "Astronomiya dlya shkol'nikov" "Okno vo Vselennuyu" Spisok astrorassylok

Obzory preprintov astro-ph Vypusk N143 astro-ph za 18 - 31 oktyabrya 2006 goda: izbrannye stat'i Goryachie temy nedeli Astronomiya i fundamental'nye teorii S odnoi storony, fiziki ochen' konservativno otnosyatsya k lyubym astronomicheskim dannym, kasayushimsya fundamental'noi fiziki. Hochetsya vse-taki vse "potrogat'" v laboratorii. Naprimer, ne prosto uvidet', chto dannyi po stalkivayushimsya skopleniyam galaktik odnoznachno svidetel'stvuyut v pol'zu sushestvovaniya temnoi materii, a poimat' chasticy na kakoi-nibud' podzemnoi ustanovke, "poshupat'" ih. S drugoi storony, inogda prosto nekuda devat'sya. Astronomicheskie dannye chasto okazyvayutsya na poryadki luchshe, chem laboratornye. Eto osobenno kasaetsya teorii gravitacii i ogranichenii na evolyuciyu fundamental'nyh konstant. Za poslednie dni moe vnimanie privlekli srazu neskol'ko rabot tak ili inache podhodyashih pod rubriku "astronomiya i fundamental'nye teorii". Samaya ob'emnaya stat'ya astro-ph/0610571 posvyashena probleme obnaruzheniya dispersii signala ot gamma-vspleskov za schet effektov kvantovoi gravitacii. Ya ne raz obrashalsya k etoi teme. Ideya tam dostatochno prosta. Esli vy odnovremenno izluchili dva gamma-kvanta raznoi energii (takoe dolzhno proishodit', naprimer, vo vremya gamma-vspleskov), to, rasprostranyayas' na kosmologicheskie rasstoyaniya, dva kvanta stanut "razbegat'sya", tochnee, odin budet otstavat' ot drugogo, ibo dvizhenie proishodit ne v ideal'noi "pustote", a v real'nom prostranstve. Fotony budut chuvstvovat' "kvantovuyu penu". Vtoraya stat'ya 0610618 posvyashena proverkam teorii modificirovannoi gravitacii po dannym o blizkih spiral'nyh galaktikah. Tret'ya, 0610661, takzhe svyazana s teoriyami gravitacii, no teper' rech' idet o tom, kak po testam v Solnechnoi sisteme ogranichit' fantaziyu teoretikov. Nakonec, chetvertaya 0610665 govorit ob izmenenii fundamental'nyh konstant i o svyazi etogo yavleniya s temnoi energiei. Referaty otdel'nyh statei miniobzor astro-ph/0610558 Dvoinye zvezdy v planetarnyh tumannostyah (Binary central stars of planetary nebulae) Authors: Albert A. Zijlstra Comments: 8 pages, Invited review, in 'Evolution and chemistry of symbiotic stars and related objects', Wierzba, August 2006. To appear in Baltic Astronomy Nebol'shoi, no ochen' emkii obzor. Kak chitatel' pomnit, ya ne raz rasskazyval o probleme formy planetarnyh tumannostei. O roli dvoistvennosti zvezd i o roli magnitnyh polei v etom voprose. Vse, chto kasaetsya dvoistvennosti summirovano v dannom obzore. Dvoistvennost' mozhet vliyat' na formu tumannosti troyakim obrazom. Vo-pervyh, mozhet imet' mesto stadiya obshei obolochki. V etom sluchae nalichie kompan'ona privodit k ochen' sushestvennoi i bystroi poteri massy. Esli sistema bolee shirokaya, to kompan'on mozhet ne vliyat' na temp sbrosa veshestva, zato povliyaet na formu tumannosti. Nakonec, v sluchae samyh shirokih sistem iz-za smesheniya centra mass forma tumannosti takzhe okazhetsya ne takoi, kak u odinochnyh zvezd. Yasno, chto dvoistvennost' vliyaet na formu planetarnoi tumannosti. No interesno, chto ostaetsya mnogo nereshennyh problem. Tak, naprimer, dlya mnogih tumannostei s ves'ma ekzoticheskoi formoi poka ne udaetsya poluchit' kakie-to dannyh o dvoistvennosti zvezd, ih porodivshih. astro-ph/0610635 Swift registriruet primechatel'nyi gamma-vsplesk GRB 060614, chto privodit k novoi klassifikacionnoi sheme (Swift detects a remarkable gamma-ray burst, GRB 060614, that introduces a new classification scheme) Authors: N. Gehrels, et al. Comments: 13 pages, 2 figures, accepted in Nature Na samom dele, ya uzhe rasskazyval ob etom vspleske v avguste. On v samom dele primechatelen i ne ukladyvaetsya v standartnuyu kartinu klassifikacii s korotkimi i dlinnymi vspleskami. Eto dlinnyi vsplesk, po mnogim parametram, pohozhii na korotkie. Stat'ya v osnovnom nablyudatel'naya, tem i cenna. Komanda Swift otmetilas' na dnyah eshe odnoi stat'ei (astro-ph/0610570), posvyashennoi interesnomu vsplesku. Eto samyi dalekii, iz zaregistrirovannyh na segodnyashnii den'. Pol'zuyas' sluchaem, hochu obratit' vnimanie chitatelya na temu, posvyashennuyu "samym-samym" na Astroforume astro-ph/0610652 Ochen' korotkoe opisanie LOFAR (A very brief description of LOFAR - the Low Frequency Array) Authors: H. Falcke et al. Comments: 2 pages, IAU GA 2006, Highlights of Astronomy, Volume 14, K.A. van der Hucht, ed Vsego na dvuh stranicah opisan odin iz samyh krupnyh gryadushih nablyudatel'nyh proektov - nizkochastotnaya set' radioteleskopov. Dlya teh, kto interesuetsya detalyami, sozdateli ustanovki vylozhili i bolee ob'emnyi tekst s opisaniem LOFAR. obzor astro-ph/0610657 Fenomenologiya chernyh dyr (Black-Hole Phenomenology) Authors: Neven Bilic Comments: 57 pages, 4 figures, notes to the lectures given at the School on Particle Physics, Gravity and Cosmology, Tematika lekcii ohvatyvaet i teoriyu i nablyudeniya. V teorii avtor ne uglublyaetsya slishkom daleko. V obshem, obzor ostavil horoshee vpechatlenie: ocherednoi raz vmeste sobrany osnovnye dannye po chernym dyram. Krome togo, stoit upomyanut' svezhii obzor astro-ph/0610544, posvyashennyi akkrecii na chernye dyry. miniobzor astro-ph/0610665 Astrofizicheskie testy fundamental'noi fiziki (Astrophysical Probes of Fundamental Physics) Authors: C.J.A.P. Martins Comments: 6 pages, Invited Review talk at the ESO Precision Spectroscopy in Astrophysics conference, to appear in the proceedings Korotkii ponyatnyi obzor problemy. V pervuyu ochered' rech' idet o poiske skalyarnyh polei. Odno iz nih mozhet otvechat' za kosmologicheskii chlen. Nalichie evolyucioniruyushego skalyarnogo polya mozhet privodit' k izmeneniyu fundamental'nyh konstant. Sootvetstvenno, avtor obsuzhdaet, kak imeyushiesya astronomicheskie dannye po variacii konstant uvyazyvayutsya s ozhidaniyami teoretikov. Obsudit' v ZhZh-soobshestve ru_astroph. Obsudit' na Astroforume v Nauchnoi panorame. miniobzor astro-ph/0610676 Galakticheskaya istoriya: obrazovanie i evolyuciya (Galactic History: Formation and Evolution) Authors: Joss Bland-Hawthorn, Ken Freeman Comments: Invited Talk, 8 pages, 1 figure, Joint Discussion 13, IAU General Assembly XXVI, Prague Stat'ya posvyashena zvezdnym obzoram. V nih soderzhitsya informaciya o cvetah, skorostyah i drugih parametrah millionov zvezd. Eto pozvolyaet "po zvezdam" chitat' istoriyu nashei Galaktiki. Naprimer, v etom godu ya ne raz pisal o rabotah, po vyyavleniyu novyh zvezdnyh potokov, svyazannyh s poglosheniem Galaktikoi kakogo-nibud' sputnika, ili o novyh sputnikah Mlechnogo puti. Vse eti raboty osnovyvayutsya na ogromnyh massivah dannyh (naprimer, na Sloanovskom cifrovom obzore neba). Poetomu "nudnaya" rabota po sostavleniyu katalogov i t.p. nabrov dannyh ochen' vazhna, k tomu zhe v 21 veke ona sovsem ne takaya skuchnaya kak v 19-m! astro-ph/0610685 Magnitar XTE J1810-197: variacii tormozyashego momenta, plotnosti radiopotoka i struktury profilya impul'sa (The magnetar XTE J1810-197: variations in torque, radio flux density and pulse profile morphology) Authors: F. Camilo et al. Comments: Submitted to ApJ; 7 pages, 5 figures. Istochnik XTE J1810-197 otnositsya k anomal'nym rentgenovskim pul'saram (ARP). Odnako on vydelyaetsya sredi nih peremennost'yu svoei aktivnosti, kak govoryat "tranzientnost'yu". Nedavno udalos' poluchit' celyi ryad nablyudenii etogo istochnika v radiodiapazone. Etomu i posvyashena, v osnovnom, stat'ya. Avtory smogli poluchit' dostatochno dlinnyi (neskol'ko mesyacev) ryad nablyudenii. Pri etom udalos' dostatochno tochno otslezhivat' variacii chastoty vrasheniya, tempa ee izmeneniya, radiopotoka. Krome togo, izmenyalsya profil' impul'sa magnitara. Osnovnaya ideya sostoit v tom, chtoby sopostavit', kak vse eti izmeneniya korreliruyut drug s drugom, a takzhe s dannymi, poluchennymi v drugih diapazonah (prezhde vsego v rentgenovskom). Tak, naprimer, padenie radiopotoka (kak pikovogo, tak i srednego) sovpalo s umen'sheniem tempa zamedleniya vrasheniya neitronnoi zvezdy. A variacii struktury profilya impul'sa v radiodiapazone ne povliyali na ego sovpadenie (po faze) s rentgenovskim impul'som. Avtory nadeyutsya (i ya s nimi solidaren), chto takie dannye dolzhny pomoch' prodvinut'sya v ponimanii mehanizma raboty magnitarov. miniobzor astro-ph/0610707 Gamma dvoinye (Gamma-ray binaries) Authors: I.F. Mirabel Comments: 4 pages, 3 figures. Invited talk to appear in Proceedings of the conference "The Multi-Messenger Approach to High-Energy Gamma-ray Sources", Barcelona, 4-7 July 2006 Gamma-astronomiya perezhivaet period burnogo razvitiya blagodarya poyavleniyu vysokoklassnyh nazemnyh ustanovok (H.E.S.S., MAGIC). Krome togo, v samom blizhaishem budushem planiruetsya zapusk neskol'kih kosmicheskih apparatov, nablyudayushih v gamma-diapazone (GLAST, AGILE). Poetomu v literature aktivno obsuzhdayutsya izvestnye i vozmozhnye istochniki, izluchayushie v gamma (nebol'shoi obzor po etoi tematike mozhno naiti zdes'). Sredi mnozhestva tipov astronomicheskih ob'ektov, izluchayushih v gamma-diapazone (rech' idet v osnovnom o diapazone ot desyatkov MeV do neskol'kih TeV) est' i dvoinye. Na segodnyashnii den' izvestno vsego tri istochnika, odnako yasno, chto ih dolzhno byt' bol'she. Vse nashe sovremennoe znanie o dvoinyh, izluchayushih v gamma, summirovano v kratkom obzore Mirabelya. miniobzor astro-ph/0610713 Rezyume konferencii: astronomicheskie perspektivy Astrostatistiki (Conference Summary: Astronomy Perspective of Astro-Statistics) Authors: Ofer Lahav Comments: 8 pages, to appear in Statistical Challenges in Modern Astronomy IV, 2007, G.J. Babu and E.D. Feigelson (eds.), San Francisco: Astron. Soc. Pacific Kak yasno iz nazvaniya, avtor daet obzor konferencii po primeneniyu statisticheskih metodov v astronomii. Tema eta ochen' vazhna, ibo statistika ne stoit na meste, a v astronomii, gde my imeem tol'ko nablyudeniya, podverzhennye razlichnoi selekcii, primenenie izoshrennyh statisticheskih metodov bolee vostrebovano, chem v ryade drugih nauk. Oblast' primeneniya statisticheskih metodov (ya imeyu vvidu koe-chto poslozhnee hi-kvadrat ili testa Kolmogorova-Smirnova) v astronomii ochen' shiroka: ot poiska ekzoplanet do kosmologii. V stat'e avtor ostanavlivaetsya na dvuh primerah (kak raz svyazannyh s ekzoplanetami i kosmologiei). Krome togo, v konce stat'i avtor privodit interesnoe rassuzhdenie o globalizacii v astronomii. astro-ph/0610768 vozmozhno magnitarnoi prirode IGR J16358-4726 (A Possible Magnetar Nature for IGR J16358-4726) Authors: S. K. Patel et al. Comments: Accepted for publication in ApJ, 34 pgs, 14 figures, 4 tables Avtory detal'no izuchayut odin iz zhestkih rentgenovskii istochnikov, otkrytyh observatoriei Integral. Vo-pervyh, im udalos' pokazat', chto obnaruzhennyi period - okolo 1.6 chasa - skoree vsego yavlyaetsya periodom vrasheniya neitronnoi zvezdy. Vo-vtoryh, udalos' obnaruzhit' izmenenie perioda, ego umen'shenie. Ono ves'ma veliko i sovpadaet s periodom aktivnosti istochnika. Eto govorit o tom, chto neitronnaya zvezda byla raskruchena akkreciei, a magnitnoe pole samoi neitronnoi zvezdy ves'ma veliko. Poslednee i pozvolyaet avtoram rassuzhdat' o magnitarnoi prirode nablyudaemogo ob'ekta. Na vsyakii sluchai podcherknu: rech' ne idet o rodstve istochnika s takimi izvestnymi kandidatami v magnitary kak anomal'nye rentgenovskie pul'sary i istochniki myagkih povtoryayushihsya gamma-vspleskov. Rech' prosto idet o neitronnoi zvezde s ochen' bol'shim magnitnym polem, prichem zvezda vhodit v tesnuyu dvoinuyu sistemu. Mne lichno sovsem ne nravitsya upotreblenie termina "magnitar" v takom kontekste. Magnitar - eto, vse-taki, ne prosto neitronnaya zvezda s bol'shim polem, a ob'ekt, ch'ya aktivnost', svyazana s polem. zdes' zhe aktivnost', skoree vsego, svyazana s akkreciei. astro-ph/0610769 Trehmernoe raspredelenie mezhzvezdnoi sredy v Galaktike: II. Molekulyarnyi gazovyi disk (Three-Dimensional Distribution of the ISM in the Milky Way Galaxy: II. The Molecular Gas Disk) Authors: Hiroyuki Nakanishi, Yoshiaki Sofue Comments: 19 pages, 15 figures, 3 tables Po radionablyudeniyam postroena trehmernaya karta raspredeleniya molekulyarnogo gaza v Galaktike. Horosho vidny spiral'nye rukava. Zametno takzhe, gde maksimumy v raspredelenii gaza lezhat ne v ploskosti Galaktiki. Krasivo! astro-ph/0610773 Kvazary, gamma-vspleski i lacertidy (Quasars, Gamma Ray Bursters and BL Lacertids) Authors: Halton Arp Comments: 3 pages Ne stareyut dushoi veterany! Kak vse pomnyat, Berbidzhi i Arp aktivno protivostoyat standartnoi (i, kak ya dumayu, mozhno utverzhdat', vernoi) interpretacii krasnyh smeshenii kvazarov. No vot, zameshalis' eshe kakie-to gamma-vspleski. Tozhe bol'shie krasnye smesheniya u nih ... I ih tuda zhe! Skazhem, chto gamma-vspleski i porozhdayutsya kvazarami! Obsudit' v ZhZh-soobshestve ru_astroph. Obsudit' na Astroforume v Nauchnoi panorame. miniobzor astro-ph/0610788 Vzaimodeistviya kosmicheskih luchei vysokih energii - obzor (High Energy Cosmic Ray Interactions -- an Overview) Authors: Sergey Ostapchenko Comments: 4 pages, Prepared for the 2nd Workshop on Tev Particle Astrophysics, 28-31 August 2006, Madison, WI, USA Rech' idet o tom, chto proishodit s chasticei vysokoi energii, kogda ona vletaet v zemnuyu atmosferu. Tema eta ochen' vazhna i aktual'na. Seichas idet mnogo eksperimentov po izucheniyu kosmicheskih luchei vysokih energii. No ved' my ne registriruem neposredstvenno pervichnye chasticy. My fiksiruem posledstviya ih vzaimodeistviya s atmosferoi. I zdes' eshe mnogo voprosov. V korotkom obzore net ni odnoi formuly. T.o., avtoru udalos' na pal'cah rasskazat' o vazhnyh momentah vzaimodeistviya kosmicheskih luchei s veshestvom atmosfery i o putyah resheniya imeyushihsya problem. obzor hep-th/0610221 Brany i inflyaciya: vzglyad na teoriyu strun iz kosmosa (Brane Inflation : String Theory viewed from the Cosmos) Authors: S.-H. Henry Tye Comments: 29 pages, 8 figures. An introduction and review Ne slishkom navorochennyi obzor po inflyacii v strunnoi teorii. Teoriya mozhet i ne verna, no obzor polistat' mozhno. astro-ph/0610802 O prirode preryvistogo pul'sara PSR B1931+24: rentgenovskie i opticheskie nablyudeniya (On the nature of the intermittent pulsar PSR B1931+24: X-ray and optical observations) Authors: N. Rea et al. Comments: 5 pages, 2 figures; submitted to MNRAS Letter Ya uzhe pisal ob udivitel'nom pul'sare "na polstavki" PSR B1931+24. V dannoi zhe stat'e avtory predstavlyayut rezul'taty rentgenovskih i opticheskih nablyudenii etogo ob'ekta, a takzhe obsuzhdayut vozmozhnost' interpretacii dannyh. K sozhaleniyu, rezul'taty nablyudenii otricatel'nye, t.e. uvidet' nichego ne udalos'. Istochnik slishkom slab i v optike, i v rentgene. Avtorskaya interpretaciya sistemy takova: eto dvoinaya s periodom okolo mesyaca i ochen' malomassivnoi normal'noi zvezdai. Periody "vyklyucheniya" radiopul'sara ob'yasnyayutsya vliyaniem veshestva normal'noi zvezdy. Na moi vzglyad, hotya eto i vpolne vozmozhnyi variant, u avtorov poka net dostatochnyh osnovanii dlya utverzhdenii o dvoistvennosti. Naibolee privlekatel'noi ideei, opyat' zhe na moi vzglyad, ostaetsya gipoteza o tom, chto v sluchae etogo pul'sara my nablyudaem perehod mezhdu rezhimami tokovyh poter' (model' Beskina, Gurevicha, Istomina) i magnito-dipol'nymi poteryami (sm. astro-ph/0608689). obzor astro-ph/0610810 Mezhplanetnaya i mezhzvezdnaya plazmennaya turbulentnost' (Interplanetary and interstellar plasma turbulence) Authors: A. A. Schekochihin et al. Comments: IOP latex, 16 pages, 1 figure; invited topical review at International Congress on Plasma Physics, Kiev 22-26 May 2006; accepted for publication in Plasma Phys. Control. Fusion Dovol'no slozhnyi obzor po plazmennoi turbulentnosti v astrofizike (v kachestve prostogo populyarnogo vvedeniya sm. stat'i v "Fizike kosmosa" po turbulentnosti i plazmennoi turbulentnosti). Posvyashen on v pervuyu ochered' teorii, a ne nablyudeniyam. miniobzor astro-ph/0610826 Posledovatel'noe inducirovannoe zvezdoobrazovanie v OV associaciyah (Sequentially Triggered Star Formation in OB Associations) Authors: Thomas Preibisch, Hans Zinnecker Comments: 6 pages, Invited talk at the IAU Symposium 237: "Triggered Star Formation in a Turbulent ISM", Prague, Czech Republic, August 2006 Na primere blizhaishei OV associacii Skorpion-Centavr avtory rassmatrivayut triggernoe zvezdoobrazovanie. Associaciya Skorpion-Centavr nahoditsya na rasstoyanii primerno 150 pk ot nas. Ona delitsya na tri chasti: Upper Scorpius (USco), Upper Centaurus-Lupus (UCL), Lower Centaurus-Crux (LCC). Pervaya iz nih imeet vozrast okolo 5 millionov let, vtoraya - okolo 17 millionov, i tret'ya - 16. Pohozhe, chto poyavlenie USco bylo inducirovano vspyshkami sverhnovyh v UCL (potom, poyavlenie massivnyh zvezd v USco, v svoyu ochered', okazalo vliyanie na zvezdoobrazovanie v drugih blizkih regionah). Interesno, chto novye dannye po molekulyarnym oblakam pokazyvayut, chto standartnyi scenarii inducirovannogo zvezdoobrazovaniya stalkivaetsya s bol'shimi trudnostyami. Delo v tom, chto vremya zhizni molekulyarnyh oblakov po vsei vidimosti men'she, chem polagali ranee. T.e., oblako ne mozhet mnogie milliony let "zhdat'", kogda do nego doidet udarnaya volna, chtoby zapustit' obrazovanie zvezd. T.o., scenarii inducirovannogo zvezdoobrazovaniya nuzhdaetsya v modifikacii. Vozmozhno, chto udarnye volny ot vspyshek sverhnovyh i zvezdnyh vetrov formiruyut potoki v mezhzvezdnoi srede, kotorye, v svoyu ochered', sposobstvuyut poyavleniyu molekulyarnyh oblakov, a uzh v nih potom nachinaetsya process formirovaniya zvezd. miniobzor astro-ph/0610833 M/L v otdel'nyh galaktikah (M/L in individual galaxies) Authors: Eric Emsellem Comments: To be published in the Proceedings of the XLIst Rencontres de Moriond, XXVIth Astrophysics Moriond Meeting: "From dark halos to light", Eds. L.Tresse, S. Maurogordato and J. Tran Thanh Van (Editions Frontieres). 11 pages, 6 figures Ochen' poleznaya, na moi vzglyad, stat'ya, v kotoroi opisano kak poluchayut profili raspredeleniya massy (tochnee M/L) i polnye massy v otdel'nyh galaktikah. astro-ph/0610840 Magnitovrashatel'nyi kollaps massivnyh zvezdnyh yader v neitronnye zvezdy: modelirovanie s uchetom effektov OTO (Magnetorotational collapse of massive stellar cores to neutron stars: Simulations in full general relativity) Authors: Masaru Shibata, Yuk Tung Liu, Stuart L. Shapiro, Branson C. Stephens Comments: 28 pages, 20 figures, accepted for publication in Phys. Rev. D Porazitel'no vse-taki slozhnaya shtuka - vzryv sverhnovoi! Vot ocherednoi raschet. V nem avtory pytayutsya uchest' rol' magnitnyh polei. Rezul'taty sravnivayutsya s drugimi modelyami i podhodami. astro-ph/0610853 Dvoistvennost' kak klyuchevoi faktor evolyucii protoplanetnyh diskov: obzor Spitcerom diskov v skoplenii Eta Hameleona (Binarity as a key factor in protoplanetary disk evolution: Spitzer disk census of the eta Chamaeleontis cluster) Authors: J. Bouwman et al. Comments: Accepted by ApJL Na osnove detal'nyh nablyudenii na kosmicheskom infrakrasnom teleskope avtory delayut vyvod, chto dlya poyavleniya protoplanetnyh diskov sushestvenno luchshe, esli zvezda odinochnaya. Iz 9 odinochnyh zvezd 7 pokazali nalichie diska, a iz 6 dvoinyh - tol'ko odna. Prichem, v sluchae dvoinoi eto ne disk vokrug vsei sistemy, a disk vokrug bolee massivnoi zvezdy. Tak chto redko gde mozhno lyubovat'sya voshodom dvuh solnc. miniobzor astro-ph/0610879 Gaia - mashina dlya obnaruzheniya belyh karlikov (Gaia - A White Dwarf Discovery Machine) Authors: Stefan Jordan Comments: 6 pages, proceedings of the 15 European Workshop on White Dwarfs, Leicester, UK, August 7-11, 2006 Opisyvaetsya, chto Gaia smozhet privnesti v astrofiziku belyh karlikov. Okazyvaetsya, ochen' mnogoe. Po suti budet sostavlena ochen' podrobnaya perepis' etih ob'ektov v solnechnoi okrestnosti, chto vazhno i dlya "arheologii", t.e. dlya vyyasneniya proshedshei evolyucii zvezd v solnechnoi okrestnosti, tak i dlya budushego kosmicheskogo detektora gravitacionnyi voln Lisa. Poskol'ku dlya nego blizkie dvoinye belye karliki budut sushestvennym istochnikom shuma. obzor astro-ph/0610906 Otchet rabochei gruppy ESA-ESO po fundamental'noi kosmologii (Report by the ESA-ESO Working Group on Fundamental Cosmology) Authors: John A. Peacock et al. Comments: ESA-ESO Working Groups Report No. 3, 132 pages, 28 figures. A printed version (A5 booklet) is available in limited numbers from the Space Telescope-European Coordinating Facility (ST-ECF): stdesk@eso.org Sovetuyu prochest' etot tekst, hotya on i bol'shoi. Po-krainei mere, ya ego uzhe raspechatal. On soderdit v sebe dostatochno polnyi obzor sovremennoi kosmologii, a takzhe spisok osnovnyh problem, opisanie metodov ih vozmozhnogo resheniya. Razumeetsya, ne oboideny vnimanie budushie krupnye proekty v nablyudatel'noi kosmologii. Obsudit' v ZhZh-soobshestve ru_astroph. Obsudit' na Astroforume v Nauchnoi panorame. obzor astro-ph/0610926 Uchebnik po astrobiologii (The Astrobiology Primer: An Outline of General Knowledge - Version 1, 2006) Authors: L. J. Mix et al. Comments: 79 pages, published manuscript, Astrobiology 2006, Vol 6, No 5, page 735 Otlichnoe posobie! Eto, sobstvenno, ne uchebnik, a skoree putevoditel'-spravochnik. Ibo informaciya po kazhdomu razdelu ochen' kratkaya, zato "pokrytie" ochen' shirokoe, i po kazhdoi teme dayutsya ssylki na podrobnoe izlozhenie. Vsyacheski rekomenduetsya. Obsudit' v ZhZh-soobshestve ru_astroph. Obsudit' na Astroforume v Nauchnoi panorame. My budem starat'sya hotya by perechislit' interesnye (dlya shirokoi publiki) stat'i, poyavivshiesya v razdele physics (vklyuchaya cross-listing). physics/0610271 Sistema golosovaniya po Penrouzu i optimal'naya kvota (Penrose voting system and optimal quota) Authors: Wojciech Slomczynski, Karol Zyczkowski Comments: 12 pages, 2 figures, Acta Physica Polonica B37, 3133-3143 (2006) Pervoe, eto ne tot Penrouz, kotoryi izvesten rabotami po fizike chernyh dyr i t.p. Rech' idet o Laionele Penrouze (Lionel S. Penrose) - angliiskom psihiatore i matematike, kotoryi obsuzhdal, kak mogla by golosovat' organizaciya tipa OON. Vtoroe, stat'ya, na moi vzglyad, interesnaya i zatragivaet vazhnuyu problemu. Sovetuyu pochitat'. Avtory detal'no razbirayut vse na primere Evrosoyuza, kotoryi im, razumeetsya, blizhe. Situaciya, grubo, takova: est' po predstavitelyu ot strany. Oni golosuyut. No strany-to raznye! Znachit, kazhdyi predstavitel' dolzhen poluchit' ne ravnyi golos. Nado rasschitat' etu velichinu. Modno, konechno, prosto brat' vklad kazhdogo golosuyushego proporcional'no chislennosti strany, kotoruyu on predstavlyaet. No mozhno rassmatrivat' i bolee slozhnyi mehanizm, chto avtory i delayut. Sam Penrouz predlagal brat' etu dolyu proporcional'noi kornyu kvadratnomu iz naseleniya strany. Konechnyi vyvod avtorov v prilozhenii k evrosoyuzu takov. Golosa predstavitelei stran dolzhny imet' vesa, proporcional'nye kornyu kvadratnomu iz naseleniya. A kvota dlya prinyatiya resheniya (t.e. summa vesov, normirovannyh na edinicu) dolzhna ravnyat'sya primerno 62 procentam. Optimal'naya kvota umen'shaetsya s rostom chisla uchastnikov (v predele stremitsya k 50 procentam). Vernut'sya k nachalu stranicy

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