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  • 22.01.2008. Chernaya dyra v Omega Centavra

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  • 06.03.2007. BL Lac v zhestkom gamma

    Soderzhanie i bystryi perehod k razdelam obzora


    Stat'i nedeli
    "Luchshie iz luchshih"

  • arxiv/0802.1920
    Otkrytie analogov Yupitera i Saturna s pomosh'yu gravitacionnogo mikrolinzirovaniya
  • arxiv/0802.2506
    Otkrytie kandidata v ochen' yarkie sil'no linzirovannye galaktiki na z~7.6
  • arxiv/0802.4169
    Teoriya strun, gravitaciya i eksperiment

    Otdel'nye stat'i
  • Otkrytie analogov Yupitera i Saturna s pomosh'yu gravitacionnogo mikrolinzirovaniya
  • Rezonansnoe ciklotronnoe rasseyanie v izluchenii magnitarov
  • Zvezdy maloi metallichnosti
  • Rasshirenie vselennoi - Standartnaya model' bol'shogo vzryva
  • LISACode: nauchnyi simulyator LISA
  • Neitronnye zvezdy i ih magnitnye polya
  • Forma i topologiya vselennoi
  • Otkrytie kandidata v ochen' yarkie sil'no linzirovannye galaktiki na z~7.6
  • The Dark UNiverse Explorer (DUNE): proekt dlya programmy ESA Cosmic Vision
  • Elektrodinamika magnitarov III.
  • Dostizheniya v fizike massivnyh zvezd
  • Rentgenovskie nablyudeniya parsekovyh hvostov za dvumya pul'sarami srednego vozrasta
  • Avtomaticheskaya veroyatnostnaya klassifikaciya tranzientov i peremennyh
  • Lekcii po teorii reliktovogo izlucheniya: ot nukleosinteza do rekombinacii
  • Obnaruzhenie magnitnyh polei u ochen' molodyh massivnyh zvezd W601 (NGC 6611) i OI 201 (NGC 2244)
  • Teoriya strun, gravitaciya i eksperiment
  • VINE - programma dlya modelirovaniya astrofizicheskih sistem s pomosh'yu chastic I. Opisanie fiziki i chislennyh metodov


    Iz razdela physics
  • Kak isparyayutsya kapli?
  • Ot dual'nyh modelei k teorii strun


    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.


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  • Obzory preprintov astro-ph

    Vypusk N180
    astro-ph za 14 - 29 fevralya 2008 goda goda: izbrannye stat'i

    Referaty otdel'nyh statei



    arxiv:0802.1920 Otkrytie analogov Yupitera i Saturna s pomosh'yu gravitacionnogo mikrolinzirovaniya (Discovery of a Jupiter/Saturn Analog with Gravitational Microlensing)
    Authors: B.S.Gaudi et al.
    Comments: 11 pages, 2 figures, to appear in the 15 February 2008 issue of Science

    S pomosh'yu mikrolinzirovaniya vokrug zvezdy s massoi 0.5 solnechnyh, nahodyasheisya na rasstoyanii okolo 1.5 kpk ot nas, otkryty dve planety. Massy sostavlyayut 0.71 i 0.27 massy Yupitera. Rasstoyaniya ot zvezdy 2.3 i 4.6 a.e. T.o., eto ves'ma pohozhe na Yupiter i Saturn v Solnechnoi sisteme.

    Dlya analiza otkrytiya planet ponadobilis' dannye mnozhestva observatorii, nablyudavshie dannoi sobytie mikrolinzirovaniya (ono poluchilo kod OGLE-2006-BLG-109).

    Obsudit' v ZhZh-soobshestve ru_astroph.
    Obsudit' na Astroforume v Nauchnoi panorame.


    arxiv:0802.1923 Rezonansnoe ciklotronnoe rasseyanie v izluchenii magnitarov (Resonant cyclotron scattering in magnetars' emission)
    Authors: Nanda Rea, Silvia Zane, Roberto Turolla, Maxim Lyutikov, Diego Gotz
    Comments: 42 pages, 11 figures. ApJ submitted on 2007 December 11

    Avtory ispol'zuyut model', v kotoroi neteplovoi spektr magnitarov na energiyah poryadka neskol'kih keV ob'yasnyaetsya rezonansnym rasseyaniem fotonov teplovogo izlucheniya poverhnosti na goryachei magnitosfernoi plazme. Oni sravnivayut model'nye rezul'taty s dannymi po mnogim ARP i MPG (AXP, SGR). Rezul'taty govoryat o tom, chto plotnost' elektronov v magnitosfere na tri poryadka vyshe Goldraih-Dzhulianovskoi plotnosti.


    miniobzor arxiv:0802.1924 Zvezdy maloi metallichnosti (Metal-Poor Stars)
    Authors: Anna Frebel
    Comments: 16 pages, invited review talk, to appear in the ASP conference proceedings of the "Frank N. Bash Symposium 2007: New Horizons in Astronomy", editors: A. Frebel, J. Maund, J. Shen, M. Siegel

    Nebol'shoi obzor po malometallichnym zvezdam v nashei Galatike. Krome svodki dannyh i rassuzhdenii o nereshennyh voprosah, avtor kratko opisyvaet istoriyu otkrytiya takih ob'ektov.


    arxiv:0802.2005 Rasshirenie vselennoi - Standartnaya model' bol'shogo vzryva (Expansion of the Universe - Standard Big Bang Model)
    Authors: Matts Roos
    Comments: 33 pages, 2 figures. Accepted for publication in the UNESCO Encyclopedia of Life Supporting Systems (EOLSS)

    Ochen' udachnyi obzor. Eto deistvitel'no enciklopedicheskaya stat'ya. Na vpolne dostupnom urovne, no strogo, tam ponemnogu rasskazano obo vsem, chto imeet otnoshenie v zagolovku stat'i. po odnoi dve stranicy otvedeno takim temam kak: istoriya komologii, paradoks Ol'bersa, zakon Habbla, STO, izmerenie rasstoyanii, OTO, testy OTO, gravitacionnoe linzirovanie, chernye dyry, kosmologiya Fridmana-Lemetra, teplovaya istoriya vselennoi, inflyaciya, reliktovoe izluchenie, krupnomasshtabnaya sturktura, temnoe veshestvo, temnaya energiya. Ya by dobavil eshe chut'-chut' o pervichnom nukleosinteze....


    arxiv:0802.2023 LISACode: nauchnyi simulyator LISA (LISACode : A scientific simulator of LISA)
    Authors: Antoine Petiteau et al.
    Comments: 22 pages, Physical Review D 77, 023002 (2008) 11

    Trenirovat'sya nado na koshkah. Ili na komp'yuternyh modelyah. Poetomu pri razrabotke krupnyh nauchnyh proektov raznye gruppy zanimayutsya roazrabotkoi komp'yuternyh simulyatorov ustanovki. V dannom sluchae rech' idet o kosmicheskom gravitacionno-volnovom detektore LISA.

    Programma pozvolyaet rasschityvat' chuvstvitel'nost' detektora i signaly ot istochnikov s izvestnymi svoistvami. Programma nahoditsya v svobodnom dostupe.


    miniobzor arxiv:0802.2227 Neitronnye zvezdy i ih magnitnye polya (Neutron stars and their magnetic fields)
    Authors: Andreas Reisenegger
    Comments: To appear in Revista Mexicana de Astronomia y Astrofisica, as part of the proceedings of the XII Latin American Regional IAU Meeting, held on Isla Margarita, Venezuela, 22-26 October 2007. Spanish and English abstract, English text, 7 pages, no figures

    Nebol'shoi tolkovyi obzor po neitronnym zvezdam. Avtor - specialist po magnitnym polyam etih ob'ektov. No, prezhde chem pereiti sobstvenno k polyam, on kratko, no ochen' chetko obrisovyvaet osnovnuyu fiziku, svyazannuyu s neitronnymi zvezdami. Bukval'no desyatok prostyh formul, umestivshihsya vmeste s ob'yasneniyami na pare stranic, dayut yasnuyu kartinku.


    obzor arxiv:0802.2236 Forma i topologiya vselennoi (The Shape and Topology of the Universe)
    Authors: Jean-Pierre Luminet
    Comments: 21 pages, 11 figures. Proceedings of conference "Tessellations : The world a jigsaw", Leyden (Netherlands), march 2006

    Po suti eto populyarnaya stat'ya po topologii Vselennoi. Lyumine izvesten kak avtor nashumevshei stat'i, v kotoroi dannye po reliktovomu izlucheniyu interpretirovalis' v ramkah modeli v netrivial'noi topologiei. V dannom obzore rasskazano o tom, kak takie modeli vyglyadyat, kak ih mozhno proveryat' po imeyushimsya dannym i tp.


    arxiv:0802.2506 Otkrytie kandidata v ochen' yarkie sil'no linzirovannye galaktiki na z~7.6 (Discovery of a Very Bright Strongly-Lensed Galaxy Candidate at z ~ 7.6)
    Authors: L. D. Bradley et al.
    Comments: Accepted for publication in the Astrophysical Journal, 8 pages, 8 figures

    Po dannym nablyudenii na Kosmicheskom teleskope i na Spitcere obnaruzhen interesnyi ob'ekt. Avtory polagayut, chto eto yarkaya sil'no liznirovannaya galaktika na krasnom smeshenii 7-8. Poka eto lish' kandidat - t.e., tochno opredelit' svoistva galaktiki i krasnoe smeshenie ne udaetsya. No, esli ocenka budet podtverzhdena, to eto budet samaya yarkaya (iz izvestnyh na segodnyashnii den') galaktika na stol' bol'shom rasstoyanii ot nas.


    arxiv:0802.2522 The Dark UNiverse Explorer (DUNE): proekt dlya programmy ESA Cosmic Vision ()
    Authors: Alexandre Refregier, the DUNE collaboration
    Comments: 13 pages, submitted to Experimental Astronomy

    Cosmic vision - tekushaya programma Evropeiskogo kosmicheskogo agentstva (ESA), opredelyayushaya strategiyu krupnyh nauchnyh proektov v oblasti astronomii. DUNE - odin iz predlagaemyh proektov.

    Eto 1.2-metrovyi teleskop, rabotayushii v vidimom i IK diapazonah. Za vremya raboty teleskop dolzhen sdelat' obzor neba na dlinah voln ot 550 do 1600 nanometrov. Hotya v nazvanie "zashity" temnaya energiya i temnaya materiya, rezul'taty budut vazhny dlya vsei astronomii: ot ekzoplanet do, sobstvenno, kosmologii.


    arxiv:0802.2571 Elektrodinamika magnitarov III. (Electrodynamics of Magnetars III: Pair Creation Processes in an Ultrastrong Magnetic Field and Particle Heating in a Dynamic Magnetosphere)
    Authors: Christopher Thompson
    Comments: 25 pages, submitted to the Astrophysical Journal

    Stat'i Krisa Tompsona - odnogo izv edushih specialistom po elektrodinamike magnitarov- chasto pechatayut v odnu kolonku, a ne v dve, t.k. inache formuly ne umeshayutsya. Ocherednaya stat'ya - ne isklyuchenie.

    Stat'ya v osnovnom posvyashena detal'nomu izucheniyu processa rozhdeniya par v sil'nyh magnitnyh polyah.

    Sm. takzhe eshe odnu stat'yu Tompsona po magnitaram arxiv:0802.2572, a takzhe rabotu arxiv:0802.2647, posvyashennuyu modelirovaniyu spektrov magnitarov.


    miniobzor arxiv:0802.2805 Dostizheniya v fizike massivnyh zvezd (Developments in physics of massive stars)
    Authors: Georges Meynet et al.
    Comments: 13 pages, 10 figures, IAU Symp. 250, Massive stars as Cosmic Engines, F. Bresolin, P.A. Crowther, J. Puls Eds

    Kak obychno: idet potok novyh dannyh i razvivayutsya modeli opisaniya fiziki. Na etot raz i to, i drugoe otnositsya k massivnym zvezdam.

    Posle spiska novyh nablyudatel'nyh obzorov i perechnya poluchennyh rezul'tatov avtory perehodyat k opisaniyu novyh modelei, uchityvayushih vrashenie zvezd, i k sravneniyu rezul'tatov raschetov s nablyudeniyami. Osnovnoi vyvod, pri opisanii massivnyh zvezd bez ucheta vrasheniya ne oboitis'!


    arxiv:0802.2963 Rentgenovskie nablyudeniya parsekovyh hvostov za dvumya pul'sarami srednego vozrasta (X-ray Observations of Parsec-Scale Tails behind Two Middle-Aged Pulsars)
    Authors: O. Kargaltsev, Z. Misanovic, G. G. Pavlov, J. A. Wong, G. P. Garmire
    Comments: 14 pages, 16 figures and 5 tables

    Nablyudeniya na Chandre i N'yutone pokazali nalichie simpatichnyh hvostikov (kazhdyi dlinoi v neskol'ko parsek), tyanushihsya za dvumya radiopul'sarami.


    Hvost pul'sara PSR J1509-5850. Krasnym pokazano rentgenovskoe izobrazhenie, a sinim - radio.

    Takie hvosty ne redkost', poskol'ku pul'sary dvizhutsya v srede so sverhzvukovoi skorost'yu, i sootnoshenie davlenii takovo, chto obrazuetsya udarnaya volna. Hvosty pomogayut tochno opredelit' napravlenie dvizheniya pul'sara. Inogda eto vazhno. Naprimer dlya PSR J1740+1000 okazalos', chto on rodilsya vysoko nad ploskost'yu galaktiki i seichas dvizhetsya v ee storonu, t.e. praroditelem byla ne zvezda diska Galaktiki (kak eto chashe vsego byvaet), a zvezda galo. Tak chto "po hvostu mozhno opredelit' rodoslovnuyu".


    arxiv:0802.3199 Avtomaticheskaya veroyatnostnaya klassifikaciya tranzientov i peremennyh (Automated Probabilistic Classification of Transients and Variables)
    Authors: A. A. Mahabal et al.
    Comments: Latex, 4 pages, 3 figures, macros included. To appear in refereed proceedings of "Hotwiring the Transient Universe 2007", eds. A. Allan, R. Seaman, and J. Bloom, Astron. Nachr. vol. 329, March, 2008

    Opisyvaetsya metodika avtomaticheskogo klassificirovaniya tranzientnyh ob'ektov pri provedenii massovyh shirokopol'nyh obzorov neba.


    obzor arxiv:0802.3688 Lekcii po teorii reliktovogo izlucheniya: ot nukleosinteza do rekombinacii (Lecture Notes on CMB Theory: From Nucleosynthesis to Recombination)
    Authors: Wayne Hu
    Comments: 41 pages, 19 figures, to appear in XIX Canary Island Winter School of Astrophysics, ed. R. Rebelo and J.A. Rubino-Martin

    Dostatochno podrobnoe opisanie osnovnyh fizicheskih processov, svyazannyh s formirovaniem svoistv reliktovogo fona. Esli vy hotite ponyat', kak v spektre moshnosti relikta na raznyh masshtabah voznikayut piki, i chto my mozhem iz vsego etogo izvlech' - to vam syuda.


    arxiv:0802.4078 Obnaruzhenie magnitnyh polei u ochen' molodyh massivnyh zvezd W601 (NGC 6611) i OI 201 (NGC 2244) (Discovery of magnetic fields in the very young, massive stars W601 (NGC 6611) and OI 201 (NGC 2244))
    Authors: E. Alecian et al.
    Comments: 5 pages, Accepted for publication as a letter in A&A

    Izvestno, chto mnogie (tochnee okolo 5 procentov) A/V-zvezdy imeyut dostatochno sil'nye magnitnye polya. Proishozhdenie etih polei ostaetsya do konca neizvestnym. To li eto ostatochnye polya, kotorye byli eshe v molekulyarnom oblake, iz kotorogo formirovalas' zvezda. To li polya usilivalis' v processe formirovaniya i evolyucii zvezdy. Dlya vyyasneniya okonchatel'nogo otveta vazhno izmeryat' polya u molodyh zvezd do stadii glavnoi posledovatel'nosti. V rabote predstavleny rezul'taty po dvum takim ob'ektam. Sil'nye polya obnaruzheny, i pri etom zvezdy otnositel'no medlenno vrashayutsya (period v neskol'ko dnei protiv periodov menee dnya i analogichnyh zvezd bez sil'nyh polei). Vse eto yavlyaetsya argumentom v pol'zu togo, chto polya ostatochnye.


    obzor arxiv:0802.4169 Teoriya strun, gravitaciya i eksperiment (String theory, gravity and experiment)
    Authors: Thibault Damour, Marc Lilley
    Comments: 75 pages, 8 figures; based on lectures given by T. Damour at Les Houches Summer School in Theoretical Physics: Session 87: String Theory and the Real World: From Particle Physics to Astrophysics, Les Houches, France, 2-27 July 2007

    Bol'shoi professional'nyi (t.e. sovsem ne populyarnyi) obzor po gravitacii. teorii strun i vozmozhnostyam eksperimental'noi proverki.


    arxiv:0802.4245 VINE - programma dlya modelirovaniya astrofizicheskih sistem s pomosh'yu chastic I. Opisanie fiziki i chislennyh metodov (VINE -- A numerical code for simulating astrophysical systems using particles I: Description of the physics and the numerical methods)
    Authors:
    Comments:

    Predstavlen kod dlya modelirovaniya sliyaniya galaktik i prochih interesnyh yavlenii, gde primenimo priblizhenie mnogih tel. Programma mozhet ispol'zovat'sya kak na obychnyh komp'yuterah, tak i na GRAPE. Yazyk - Fortran 95. Programma takzhe mozhet byt' ispol'zovana dlya issledovaniya kosmologicheskih zadach (t.e. mozhno vklyuchat' kosmologicheskoe rasshirenie).

    Sm. takzhe vtoruyu stat'yu, posvyashennuyu etomu kodu: arxiv:0802.4253.




    My budem starat'sya hotya by perechislit' interesnye (dlya shirokoi publiki) stat'i, poyavivshiesya v razdele physics (vklyuchaya cross-listing).


    arxiv:0802.3207 Kak isparyayutsya kapli? (How do drops evaporate?)
    Authors: Nebojsa Murisic, Lou Kondic
    Comments: 10 pages

    Okazyvaetsya, v voprosah ispareniya kapel' est' eshe mnogo neyasnogo! V chastnosti, avtory ispol'zuyut dve populyarnye modeli i pokazyvayut, chto v ryade sluchaev (dlya kapli deionizirovannoi vody na kremnievo podlozhke) modeli dayut raznye rezul'taty po skorosti ispareniya.


    arxiv:0802.3249 Ot dual'nyh modelei k teorii strun (From Dual Models to String Theory)
    Authors: Peter Goddard
    Comments: 34 pages, A contribution to the volume "The Birth of String Theory"

    Ocherednoi material, podgotovlennyi dlya sbornika po istorii teorii strun. V etoi stat'e nauchnyi material chasto dovleet nad istoricheskim. T.e., eto skoree obzor so mnozhestvom istoricheskih remarok i otstuplenii.



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