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Novosti nauki
The R.A.P. Project
11.10.02. astro-ph za 07 - 11 oktyabrya 2002 goda: izbrannye stat'i


astro-ph/0210114 Constraints on the Neutron Star Magnetic Field of the two X-ray Transients SAX J1808.4-3658 and Aql X-1
Authors: T. Di Salvo, L. Burderi
Comments: 6 pages, submitted to A&A

Polucheny ogranicheniya na velichinu magnitnogo polya dlya dvuh neitronnyh zvezd, vhodyashih v tesnye dvoinye sistemy. Dlya SAX J1808.4-3658 obnaruzheny pul'sacii na chastote 400 Gc. Eti dannye pozvolyayut utverzhdat', chto pole zaklyucheno v uzkom intervale ot 108 do 5 108Gs. Dlya vtoroi sistemy, Aql X-1, polucheno, chto pole ne prevoshodit 109Gs.


astro-ph/0210118 The Deep Lens Survey
Authors: D. Wittman et al.
Comments: to appear in Proc. SPIE Vol. 4836

DLS - Deep Lens Survey. Eto nablyudeniya semi ploshadok 2 na 2 gradusa. Vse dannye nablyudenii srazu budut dostupny dlya obshestvennosti. Osnovnye zadachi proekta - poisk tranzientnyh yavlenii i izuchenie slabogo grav.linzirovaniya. Krome togo, avtory nadeyutsya, chto dostupnost' ishodnyh dannyh pozvolit poluchit' massu "soputstvuyushih" rezul'tatov.


astro-ph/0210124 Quantum-Gravity Analysis of Gamma-Ray Bursts using Wavelets
Authors: J. Ellis et al.
Comments: 27 pages, 9 figs

Mnogie modeli kvantovoi gravitacii predskazyvayut "pennuyu" strukturu prostranstva-vremeni. Avtory issleduyut vozmozhnost' obnaruzheniya rezul'tatov vzaimodeistviya gamma-kvantov s etoi prostranstvenno-vremennoi penoi. Dlya etogo issleduyutsya profili gamma-vspleskov. Estestvenno, poluchen lish' verhnii predel na masshtab kvantovoi gravitacii: 6.9 1015 GeV.


astro-ph/0210127 Our Sun. IV. The Standard Model and Helioseismology: Consequences of Uncertainties in Input Physics and in Observed Solar Parameters
Authors: Arnold I. Boothroyd, I.-Juliana Sackmann
Comments: LaTeX, 38 pages (including 8 figures); ApJ, in press. Added figures/color figurea available at http://www.cita.utoronto.ca/~boothroy/sun4.html

Avtory publikuyut bol'shuyu seriyu statei po Solncu i gelioseismologii. V dannoi rabote rassmatrivayutsya istochniki neopredelennostei v standartnoi modeli Solnca: dannye po neprozrachnosti, dannye po obiliyu elementov, parametry diffuzii. Ocenivaetsya vklad kazhdogo iz nih v rezul'taty gelioseismologicheskih issledovanii.


astro-ph/0210133 On the central structure of M15
Authors: H. Baumgardt, P. Hut, J. Makino, S. McMillan, S. Portegies Zwart
Comments: 11 pages, 3 figures, submitted to ApJL

Avtory s pomosh'yu specializirovannogo komp'yutera GRAPE-6 provodyat raschet struktury vnutrennih chastei skopleniya M15 i provodyat sravneniya s nablyudeniyami. Napomnyu, chto nedavno imenno etot ob'ekt stal populyaren v svyazi s vozmozhnost'yu sushestvovaniya v nem chernoi dyry promezhutochnoi massy. Avtory kak raz prihodyat k vyvodu, chto nikakoi chernoi dyry ne nuzhno dlya ob'yasneniya nablyudatel'nyh dannyh, hotya dyra s massoi 1000 mass Solnca ne isklyuchena. Sm. takzhe astro-ph/0210158, gde takzhe obsuzhdaetsya nalichie chernoi dyry v M15, i massa ee poluchaetsya ravnoi 5400-1000 (ili men'she!) mass Solnca.


astro-ph/0210139 New Energy Source Controlled by Gravity Alone?
Authors: Reva Kay Williams
Comments: 29 pages, including 6 eps figures, AASTeX, to appear in ApJ

Avtor chislenno i analiticheski issleduet process Penrouza. Pokazano, chto v real'nyh sverhmassivnyh chernyh dyrah i chernyh dyrah zvezdnyh mass sushestvenno bolee vazhnym okazyvayutsya imenno gravitacionnye effekty, a effekty, svyazannye s magnitnymi polyami (polem diska, naprimer), menee vazhny. Raschety sravnivayutsya s nablyudeniyami kvazarov, lacertid i galakticheskih istochnikov.


astro-ph/0210169 A Keck Adaptive Optics Search for Young Extrasolar Planets
Authors: Denise Kaisler, Ben Zuckerman, Eric Becklin, Bruce Macintosh
Comments: 4 pages, 2 figures. To appear in "Scientific Frontiers in Research on Extrasolar Planets", D. Deming ed

Osnovoi nazemnyh issledovanii vnesolnechnyh planet yavlyayutsya: adaptivnaya optika, bol'shie pervichnye zerkala i tshatel'nyi otbor ob'ektov nablyudeniya. Obzor, predstavlyaemyi avtorami, provoditsya v blizhnem infrakrasnom diapazone. On pozvolyaet obnaruzhivat' planety s massami ot 1 do 10 mass Yupitera na rasstoyanii do 100 a.e. ot central'nyh zvezd. Zvezdy dolzhny byt' molodymi (vozrast menee 60 mln. let) i blizkimi (rasstoyanie menee 60 pk). Proekt uzhe rabotaet, i v dannoi stat'e avtory predstavlyayut pervye rezul'taty.


astro-ph/0210171 Peculiar, Low Luminosity Type II Supernovae: Low Energy Explosions in Massive Progenitors?
Authors: L. Zampieri, et al.
Comments: 7 pages, 3 figures. MNRAS, in press

Sredi sverhnovyh vtorogo tipa - vzryvy massivnyh zvezd - nablyudaetsya dovol'no bol'shoi razbros svoistv. V chastnosti, est' bolee slabye sverhnovye. Avtory predstavlyayut dva primera takih vzryvov. I obsuzhdayut vozmozhnost' togo, chto takie vspyshki soprovozhdayutsya bol'shoi vozvratnoi akkreciei (fall-back). Sootvetstvenno, takie vzryvy dolzhny privodit' k obrazovaniyu chernyh dyr. Krome togo, stadiya akkrecii mozhet vposledstvii nablyudat'sya, kogda akkrecionnaya svetimost' nachnet dominirovat'.


astro-ph/0210184 Supersymmetric dark matter in M31: can one see neutralino annihilation with CELESTE?
Authors: A. Falvard et al.
Comments: Latex, 32 pages, 12 figures, 5 tables

CELESTE - CErenkov Low Energy Sampling & Timing Experiment. Eto nazemnyi eksperiment, ispol'zuyushii zerkala "solnechnoi elektrostancii".

V dannoi rabote obsuzhdaetsya vozmozhnost' obnaruzheniya gamma-luchei ot annigilyacii chastic temnoi materii v Tumannosti Andromedy. Fakt publikacii stat'i govorit o tom, chto avtoram udalos' podobrat' nabor parametrov, pri kotoryh mozhno ozhidat' registracii signala.


gr-qc/0210012 Effects of Differential Rotation on the Maximum Mass of Neutron Stars
Authors: Nicholas D. Lyford, Thomas W. Baumgarte, Stuart L. Shapiro
Comments: 6 pages, to appear in ApJ

Neitronnye zvezdy (osobenno molodye) obladayut differencial'nym vrasheniem. Eto privodit k uvelicheniyu maksimal'noi vozmozhnoi massy. Dannaya situaciya i issleduetsya avtorami. V chastnosti vazhnym okazyvaetsya sluchai slivayushihsya neitronnyh zvezd, kotorye bez effektov diff.vrasheniya dolzhny bystro kollapsirovat' v chernuyu dyru.


obzor astro-ph/0210200 Understanding dwarf galaxies as galactic building blocks
Authors: M.Tosi
Comments: Summary of a general discussion held at the EuroConference "The evolution of galaxies. III: From simple approaches to self-consistent models", A&SS (Kluwer) in press. 10 pages, 4 eps figs

Sobstvenno, vse o soderzhanii stat'i skazano v zagolovke i kommentarii. Avtor vynuzhden kratko kosnut'sya shirokogo spektra voprosov, svyazannyh s karlikovymi galaktikami. Po obzoru mozhno sostavit' horoshee vpechatlenie o sovremennom sostoyanii del v etoi oblasti astrofiziki.


astro-ph/0210201 The Y^2 Stellar Evolutionary Tracks
Authors: Sukyoung K. Yi et al.
Comments: 7 pages, TeX, 1 eps figure. ApJS, 2003, vol.144 (Feb), in press

Avtory predstavlyayut biblioteku evolyucionnyh trekov dlya zvezd s massami ot 0.4 do 5 mass Solnca. Dany ssylki na tri saita (v treh mestah raboty treh soavtorov - v Koree, SShA i Britanii), gde mozhno skachat' dannye. Adres amerikanskogo - www.astro.yale.edu/demarque/yystar.html


astro-ph/0210211 Gravitational Radiation from Gamma-Ray Burst Progenitors
Authors: Shiho Kobayashi, Peter Meszaros
Comments: 26 pages, 5 figures, submitted to ApJ

Issleduyutsya vozmozhnye gravitacionnye signaly v razlichnyh modelyah gamma-vspleskov: sliyaniya kompaktnyh ob'ektov i vzryvy massivnyh zvezd. Dayutsya ocenki dlya budushih nablyudenii na vtoroi ocheredi LIGO.


obzor astro-ph/0210212 The Mechanism of Core-Collapse Supernova Explosions: A Status Report
Authors: Adam Burrows, Todd A. Thompson
Comments: 10 pages, LaTeX, 4 JPEGs included. To be published in the proceedings to the ESO/MPA/MPE Workshop (an ESO Astrophysics Symposium) entitled "From Twilight to Highlight: The Physics of Supernovae," held in Garching bei M\"unchen, Germany, July 29-31, 2002, eds. Bruno Leibundgut and Wolfgang Hillebrandt (Springer-Verlag)

Obsuzhdaetsya sovremennyi status neitrinnyh modelei vzryvov sverhnovyh. Eto samaya standartnaya i naibolee prodvinutaya model' vzryva v rezul'tate kollapsa yadra massivnoi zvezdy. Rassmatrivayutsya problemy modeli i avtorskie popytki ih preodoleniya.


astro-ph/0210216 Theoretical Spectra and Atmospheres of Extrasolar Giant Planets
Authors: David Sudarsky, Adam Burrows, Ivan Hubeny
Comments: 46 pages, LaTeX, plus 36 postscript figures, submitted to the Astrophysical Journal

Chislo otkrytyh ekzoplanet postoyanno rastet. Rastet i chislo teoreticheskih rabot po etoi tematike. Gruppa avtorov, mnogo rabotavshaya nad raschetami spektrov korichnevyh karlikov i ochen' malomassivnyh zvezd, predstavlyaet raschety spektrov planet-gigantov. Var'iruyutsya samye raznye parametry. V tom chisle i sostav atmosfery. tak chto krome rezul'tatov po spektram avtory predstavlyayut i detal'nye raschety atmosfer. T.k. v skorom vremeni ozhidaetsya zapusk neskol'kih proektov, cel'yu kotoryh yavlyaetsya poluchenie spektrov ekzoplanet, to dannaya rabota bolee chem aktual'na, i navernyaka stanet odnoi iz vysokocitiruemyh.


astro-ph/0210217 Probing Dark Energy with SNAP
Authors: Eric V. Linder
Comments: 6 pages, 2 figures; invited talk at IDM2002

V poslednee vremya poyavlyaetsya bol'shoe chislo statei, posvyashennyh poektu SNAP. V dannoi obsuzhdaetsya vozmozhnost' obnaruzheniya variacii uravneniya sostoyaniya temnoi energii so vremenem. Kak vsegda avtoru udaetsya naiti varianty, v kotoryh SNAP smozhet zametit' takuyu variaciyu na urovne treh standartnyh otklonenii.


astro-ph/0210229 SIMBOL-X, an X-ray telescope for the 0.5-70 keV range
Authors: Philippe Ferrando
Comments: 4 pages, 3 figures, Proceedings SF2A-2002, Paris, ed. F. Combes and D. Barret, EDP-Sciences

Ocherednoi proekt nebol'shogo rentgenovskogo teleskopa. Osobennost' novogo podhoda - sozdanie ochen' dlinnofokusnyh instrumentov: desyatki metrov. Eto dostigaetsya ispol'zovaniem dvuh apparatov (predstav'te teleskop - ob'ektiv, okulyar - no bez truby, a vse eto otdel'noi letaet v kosmose). Tehnologiya budet vskore otrabotana (proekt ZEUS), i v dal'neishem podobnye apparaty mogut stat' otnositel'no deshevymi. Na eto i rasschityvayut avtory proekta, zapusk kotorogo planiruetsya na 2009 g.


obzor astro-ph/0210232 AGN fueling: the observational point of view
Authors: F. Combes
Comments: 8 pages, 4 figures, in "Active Galactic Nuclei: from Central Engine to Host Galaxy" ASP Conf. Ser., 2003, ed. S. Collin, F. Combes and I. Shlosman

Daetsya obzor mnogovolnovyh nablyudenii aktivnyh galaktik s cel'yu issledovaniya ih "dvigatelei": kak okoloyadernyh vspyshek zvezdoobrazovaniya tak i sverhmassivnyh chernyh dyr.


obzor astro-ph/0210233 Color, spectral and morphological transformations of galaxies in clusters
Authors: Bianca M. Poggianti
Comments: Invited review at the JENAM 2002 Workshop on "Galaxy Evolution in Groups and Clusters", Porto, Sep 5-7 2002, eds. Lobo, Serote-Roos and Biviano, Kluwer in press

O tom kak "sreda zaedaet" galaktiki. Galaktiki v skopleniyah ispytyvayut vliyanie sosedei. Avtor daet obzor "prevrashenii" galakti v skopleniyah, udelyaya osoboe vnimanie ne tol'ko morfologii, no i spektral'nym harateristikam.


astro-ph/0210238 The ROTSE-III Robotic Telescope System
Authors: C. W. Akerlof et al.
Comments: 19 pages, including 4 figures. To be published in PASP in January, 2003. PASP Number IP02-110

Nablyudeniya opticheskoi vspyshki gamma-vspleska GRB990123 s pomosh'yu sistemy ROTSE bylo bol'shim dostizheniem. S teh por prodolzhayutsya popytki povtorit' etot rezul'tat. Odnako, poka nikakih uspehov net. Potomu prodolzhayut razvivat' mat.chast'. V stat'e opisyvaetsya sistema ROTSE-III. Avtory nadeyatsya, chto ih opyt okazhetsya poleznym dlya sozdatelei analogichnyh sistem, kotorye seichas nachinayut poyavlyat'sya vo vsem mire.



Arhiv statei, voshedshih v predydushie vypuski.

Razdely arhiva (s iyulya 2002 g.):
obzory, 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.
Obzornye stat'i v astro-ph s 2001 g.

Sergei Popov

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