The R.A.P.Project "Prosto o slozhnom" "Astro-ph za vtoruyu polovinu 2003 g." Nemnogo statistiki Predydushii vypusk (N90) Slovar' astroterminov Spisok missii i teleskopov Obzory UFN Stat'i SOZh ANKa Dnya 11.10.2004. N'yuton smotrit na M31 05.10.2004. Million sekund Kassiopei A 18.09.2004. Rozhdenie lacertidy 16.09.2004. Planeta okolo korichnevogo karlika Soderzhanie i bystryi perehod k razdelam obzora Stat'i nedeli "Luchshie iz luchshih" astro-ph/0411083 Galakticheskie ostatki sverhnovyh: obnovlennyi katalog i statistika astro-ph/0411239 Poperechnaya skorost' linzirovannoi galaktiki astro-ph/0411275 Tendencii v demografii i citirovanii statei ApJ Goryachie temy nedeli GAIA Otdel'nye stat'i Tekushee sostoyanie proekta SuperWASP Ul'tramoshnye istochniki v blizhaishih galaktikah Kosmologicheskoe modelirovanie metodom mnogih tel: metody, zadachi i sostoyanie Galakticheskie ostatki sverhnovyh: obnovlennyi katalog i statistika Neitronnye zvezdy s kvarkovymi yadrami. II. Osnovnye integral'nye parametry i struktura Kosmicheskie luchi sverhvysokih energii Teleskop na Yuzhnom polyuse Spin, akkreciya i kosmologicheskii rost sverhmassivnyh chernyh dyr Chernye dyry v massivnyh zvezdnyh skopleniyah SSSPM J1444-2019: ul'traholodnyi subkarlik s ochen' vysokim sobstvennym dvizheniem Sverheddingtonovskaya akkreciya na chernye dyry: "pol'skie ponchiki" i slim-diski Teoriya istechenii iz kataklizmicheskih peremennyh Izmereniya dvoinyh pul'sarov s belymi karlikami na Aresibo: Ukazaniya na nalichie tyazhelyh neitronnyh zvezd Pokoisya s mirom: era macho (1974-2004) Dvoinye, dinamika skoplenii i populyacionnye issledovaniya zvezd i zvezdnyh fenomenov V 47 Tukana net goryachih yupiterov Poperechnaya skorost' linzirovannoi galaktiki v Q2237+0305 po otsutstviyu sil'noi mikrolinzovoi peremennosti Rentgenovskaya observatoriya Chandra: nablyudeniya neitronnyh zvezd Sverhmassivnye chernye dyry v yadrah galaktik: proshlye, nastoyashie i budushie issledovaniya Dozhdi i oblaka v atmosferah buryh karlikov: svyazannye problemy ot malogo do bol'shogo Tendencii v demografii i citirovanii statei ApJ Temnaya energiya chastic Razrushenie atmosfernogo ozona gamma-vspleskom iz Mlechnogo Puti Pervye rezul'taty Cernovskogo Aksionnogo Solnechnogo Teleskopa Dve lekcii po cvetnoi sverhprovodimosti Gibridnye zvezdy, maskiruyushiesya pod neitronnye Iz razdela physics Chuvstvitel'nost' zemnogo klimata k solnechnomu izlucheniyu: novye dannye Vliyanie epistemologii na obuchenie: primer iz nachal'nogo kursa fiziki Pochemu Obshestvo dolzhno finansirovat' nauku? Mendeleev i periodicheskaya tablica elementov Polnyi Arhiv predydushih vypuskov. Arhiv statei, voshedshih v vypuski s 01 iyulya 2002 g. po 31 marta 2003 g. 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 Avtory proekta Sergei Popov Mihail Prohorov Postav'te u sebya nashu knopku! Proekt razmeshen na saitah: Vy mozhet takzhe razmestit' na svoem saite nashu lentu obzorov Novostnye lenty Novosti astronomii ot PRAO Novosti kosmonavtiki Novosti ot UFN Astronomer.Ru Informnauka Researcher@ 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 N91 astro-ph za 01 - 14 noyabrya 2004 goda: izbrannye stat'i Goryachie temy nedeli GAIA Poyavlyayutsya materialy konferencii "The Three-Dimensional Universe with Gaia" (ona proshla v nachale oktyabrya vo Francii). Poka poyavilos' 8 rabot. Napomnim, chto GAIA - astrometricheskii sputnik nedalekogo budushego. Zapushen sputnik budet v 2011 godu i prorabotaet, kak predpolagaetsya, pochti 10 let. Zapuskat', kstati, predpolagaetsya Soyuzom. Sredi statei vydelim bolee obzornye, dayushie predstavlenie o proekte i osnovnyh zadachah. Eto materialy Gaia First Look i Modelling the Galaxy for GAIA. Pervaya rabota bolee tehnicheskogo plana, v nei obsuzhdayutsya metody raboty s dannymi. Vo vtoroi avtor rassuzhdaet o tom, kakuyu podgotovitel'nuyu rabotu sleduet provesti do poleta sputnika, Podgotovka svyazana s osnovnoi zadachei GAIA - postroeniem trehmernoi karty Galaktiki. Referaty otdel'nyh statei astro-ph/0411019 Tekushee sostoyanie proekta SuperWASP (Current Status of the SuperWASP Project) Authors: D. J. Christian et al. Comments: 3 pages, 2 figures, submitted to the Proceedings of the 13th Cool Stars Workshop, Ed. F. Favata, ESA-SP My uzhe pisali o proekte s politicheski nekorrektnym (shutka) nazvaniem SuperWASP. Eto vos'mikamernyi teleskop, pokryvayushii okolo 500 kvadratnyh gradusov neba. Cel' proekta - poisk ekzoplanet po nablyudeniyam zvezd. Planety predpolagaetsya obnaruzhivat' po fotometricheskim nablyudeniyam zvezd: planeta, prohodya po disku zvezdy, budet oslablyat' ee blesk. Krome etoi zadachi teleskop sposoben vnesti vklad v obnaruzhenie opticheskih tranzientov i okolozemnyh ob'ektov. Seichas rabotaet 5 iz 8 kamer. Idet nakoplenie dannyh. Sait proekta http://www.superwasp.org. obzor astro-ph/0411040 Ul'tramoshnye istochniki v blizhaishih galaktikah (Ultra-Luminous Sources in Nearby Galaxies) Authors: Richard Mushotzky Comments: 18 pages, 4 figures My chasto pishem ob UMI (ul'tramoshnyh istochnikah). V dannoi stat'e soderzhitsya podrobnyi obzor istochnikov etogo tipa v blizhaishih galaktikah. V sleduyushem nomere zhurnala "Zvezdochet" ozhidaetsya vyhod stat'i odnogo iz avtorov obzorov, celikom posvyashennoi UMI. obzor astro-ph/0411043 Kosmologicheskoe modelirovanie metodom mnogih chastic: metody, zadachi i sostoyanie (Cosmological N-Body simulation: Techniques, Scope and Status) Authors: J.S. Bagla Comments: Invited Review; To appear in Current Science (special issue on Cosmology, Guest editor T.Padmanabhan) Naravne s dannymi po reliktovomu izlucheniyu i pervichnomu nukleosintezu issledovaniya krupnomasshtabnoi struktury yavlyayutsya odnim iz stolpov, na kotoryh stoit zdanie sovremennoi kosmologii. S teoreticheskoi tochki zreniya rassmotrenie modelei obrazovaniya galaktik i ih skoplenii i sverhskoplenii svoditsya v osnovnom kak raz k metodu mnogih chastic (N-Body simulations). V stat'e provoditsya obstoyatel'nyi obzor dannogo metoda komp'yuternogo modelirovaniya. Otmetim, chto poyavilos' eshe neskol'ko obzorov, kotorye budut napechatany v special'nom vypuske Current Science. katalog astro-ph/0411083 Galakticheskie ostatki sverhnovyh: obnovlennyi katalog i statistika (Galactic Supernova Remnants: an Updated Catalogue and Some Statistics) Authors: D. A. Green Comments: 36 pages, 14 figures, including as an appendix a catalogue of 231 Galactic SNRs, to appear in the Bulletin of the Astronomical Society of India Katalog Grina - samyi izvestnyi katalog ostatkov sverhnovyh. V stat'e predstavlena novaya versiya. Katalog vklyuchaet 231 ostatok. astro-ph/0411103 Neitronnye zvezdy s kvarkovymi yadrami. II. Osnovnye integral'nye parametry i struktura (Neutron Stars with a Quark Core. II.Basic Integral and Structural parameters) Authors: G.B.Alaverdyan, A.R.Harutyunyan, Yu.L.Vartanyan Comments: 13 pages, 4 figures My neodnokratno pisali o razlichnyh aspektah fiziki i astrofiziki kvarkovyh zvezd. Vot novaya rabota. V Armenii tradicionno zanimalis' i zanimayutsya neitronnymi zvezdami (napomnim, chto pervaya stat'ya po kvarkovym zvezdam byla opublikovana imenno v armyanskom zhurnale Astrofizika, hotya i ne armyanskimi avtorami). V etoi rabote avtory stroyat konfiguracii neitronnyh zvezd s kvarkovymi yadrami i opisyvayut osnovnye parametry takih ob'ektov. obzor astro-ph/0411113 Kosmicheskie luchi sverhvysokih energii (Ultra High Energy Cosmic Rays) Authors: Todor Stanev Comments: 20 pages, 14 postscript figures, write-up of a lecture at the 2004 SLAC Summer Institute Ocherednoi obzor po kosmicheskim lucham sverhvysokih energii. Stat'ya napisana ochen' dostupno. Vse osnovnye problemy tak ili inache zatronuty, poetomu obzor vsyacheski mozhno rekomendovat' shirokomu krugu chitatelei. astro-ph/0411122 Teleskop na Yuzhnom polyuse (The South Pole Telescope) Authors: SPT Collaboration: J. E. Ruhl et al. Comments: Written prior to SPIE conference, June 21-25, 2004. 19 pages, 13 figures. Also available (with higher resolution figures) at http://spt.uchicago.edu/ SPT - South Pole Telescope. Eto budet 10-timetrovyi instrument, prednaznachennyi dlya nablyudenii v millimetrovom diapazone (dlya etogo kak raz vazhen holodnyi i suhoi klimat Antarktidy). Planiruetsya, chto pervoi nauchnoi zadachei novogo instrumenta budet kosmologiya: nablyudeniya skoplenii galaktik s ispol'zovaniem effekta Syunyaeva-Zel'dovicha. obzor astro-ph/0411156 Spin, akkreciya i kosmologicheskii rost sverhmassivnyh chernyh dyr (Spin, Accretion and the Cosmological Growth of Supermassive Black Holes) Authors: Stuart L. Shapiro Comments: 10 pages, 4 figures, accepted in ApJ Esli sverhmassivnye chernye dyry (SMBH) yavlyayutsya istochnikami energii kvazarov, a samyi dalekii kvazar QSO SDSS 1148+5251 segodnya nablyudaetsya na z=6.43, to oni dolzhny byli sformirovat'sya vsego za 0.9 gigalet posle Bol'shogo Vzryva. Eto znachenie uzhe vstupaet v protivorechie s teoriei, soglasno kotoroi osnovu SMBH sostavlyayut chernye dyry, obrazuyushiesya pri vzryvah ochen' massivnyh zvezd pervogo pokoleniya, a zatem uvelichivayushie svoyu massu v akkrecionnyh processah. Oni mogut prosto ne uspet' nabrat' neobhodimuyu massu. S etogo nachinaetsya obzor klassika relyativistskoi astrofiziki i OTO Styuarta Shapiro. astro-ph/0411166 Chernye dyry v massivnyh zvezdnyh skopleniyah (Black Holes in Massive Star Clusters) Authors: Steve McMillan et al. Comments: 8 pages, 2 figures Osnovnaya tema dannoi stat'i - tesnye prolety zvezd i ih pryamye stolknoveniya v plotnyh zvezdnyh skopleniyah. Dannye vzaimodeistviya porozhdayut principial'no novye evolyucionnye kanaly, dostizhenie kotoryh principial'no nevozmozhno dlya odinochnyh i dvoinyh sistem polya, i kraine maloveroyatno v razrezhennyh skopleniyah. Osnovoi dannogo issledovaniya yavlyaetsya modelirovanie metodom N-tel. Osnovnoe vnimanie (bol'she, veroyatno, ne pozvolyal ob'em) avtory udelili chernym dyram. astro-ph/0411179 SSSPM J1444-2019: ul'traholodnyi subkarlik s ochen' vysokim sobstvennym dvizheniem (SSSPM J1444-2019: an extremely high proper motion, ultracool subdwarf) Authors: R.-D. Scholz et al. Comments: 4 pages, 4 figures, accepted in A&A Lett. Otkryt novyi ob'ekt s predel'no vysokim sobstvennym dvizheniem (3.5"/god). On klassificirovan kak ul'traholodnyi subkarlik spektral'nogo tipa sdM9, no u nego takzhe vidny priznaki zvezd spektral'nogo klassa L: polnost'yu otsutstvuet polosa VO, predel'no sil'ny absorbcii TiO v opticheskom spektre. Luchevaya skorost' dannoi zvezdy sostavlyaet -160 km/s (t.e. ona priblizhaetsya k nam), rasstoyanie do nee ocenivaetsya v 16-24 pk, polnaya skorost' ob'ekta v geliocentricheskoi sisteme koordinat sostavlyaet (U,V,W)=(-244,-256,-100)+/-(32,77,6) km/s. Veroyatno, dannyi ob'ekt yavlyaetsya blizhaishei k Solncu zvezdoi galo Galaktiki. obzor astro-ph/0411185 Sverheddingtonovskaya akkreciya na chernye dyry: "pol'skie ponchiki" i slim-diski (Super-Eddington black hole accretion: Polish doughnuts and slim disks) Authors: Marek A. Abramowicz Comments: 17 pages, 3 figures Eshe odin obzor, napisannyi klassikom Marekom Abramovicom, iz pod pera kotorogo vyshel celyi ryad shiroko izvestnyh rabot po akkrecii. Teoriya sushestvenno sverheddingtonovskoi akkrecii na chernye dyry byla razrabotana v 80-h godah v Varshave gruppoi Bogdana Pachin'skogo v terminah "pol'skih ponchikov": opticheski tolstyh vrashayushihsya potokov so slaboi vyazkost'yu. Drugoi podhod slim-diski byl pozdnee predlozhen Abramovicem i Lasotoi, no on deistvuet tol'ko dlya umerennogo prevysheniya eddingtonovskogo predela. obzor astro-ph/0411200 Teoriya istechenii iz kataklizmicheskih peremennyh (Theory of Outflows in Cataclysmic Variables) Authors: Daniel Proga Comments: 15 pages, 4 figures V obzore rassmatrivaetsya istechenie veshestva iz akkrecionnogo diska v kataklizmicheskih peremennyh pod deistviem davleniya izlucheniya v liniyah. Rassmatrivaetsya kak chisto gidrodinamicheskii, tak i magnitogidrodinamicheskie mehanizmy. Obsuzhdayutsya fizicheskie principy i ih realizaciya v chislennyh shemah. astro-ph/0411207 Izmereniya dvoinyh pul'sarov s belymi karlikami na Aresibo: Ukazaniya na nalichie tyazhelyh neitronnyh zvezd (Arecibo Measurements of Pulsar--White Dwarf Binaries: Evidence for Heavy Neutron Stars) Authors: David J. Nice et al. Comments: 2 pages, 1 figure, to appear in PASP conf series Avtory sobrali dannye o massah neitronnyh zvezd, vhodyashih v pary s belymi karlikami, kotorye byli polucheny po izmereniyu ih taiminga na radioteleskope v Aresibo. Srednyaya massa neitronnyh zvezd v poluchennoi vyborke vyshe kanonicheskogo znacheniya 1.35Mo. miniobzor astro-ph/0411222 Pokoisya s mirom: era macho (1974-2004) (RIP: The Macho Era (1974-2004)) Authors: N.W. Evans, V. Belokurov Comments: 10 pages, 3 figures, invited review for "The Fifth International Workshop on the Identification of Dark Matter", eds N. Spooner, V. Kudryavtsev (World Scientific, Singapore) Osnovnaya ideya, lezhashaya v osnovanii proekta MACHO - nalichie znachitel'noi massy barionnoi temnoi materii v galo nashei Galaktiki v vide kompaktnyh ob'ektov tipa malomassivnyh zvezd, planet i t.p. Avtory pokazyvayut, chto era MACHO zakonchilas': iskomye ob'ekty ne obnaruzheny. Vse sobytiya mikrolinzirovaniya, obnaruzhennye v proektah MACHO i EROS, ob'yasnyayutsya izvestnymi zvezdnymi populyaciyami. astro-ph/0411230 Dvoinye, dinamika skoplenii i populyacionnye issledovaniya zvezd i zvezdnyh fenomenov (Binaries, cluster dynamics and population studies of stars and stellar phenomena) Authors: D. Vanbeveren Comments: 8 pages, 1 figure Pered kazhdoi gruppoi, zanimayusheisya spektral'nym populyacionnym sintezom (dlya bol'shogo chisla odinochnyh zvezd s vysokoi tochnost'yu rasschityvaetsya ih evolyuciya ot momenta rozhdeniya do nastoyashego vremeni, a zatem summiruyutsya ih spektry v rezul'tate my imeet integral'nyi spektr galaktiki ili zvezdnogo skopleniya) v poslednie desyatiletiya vstaval vopros o tom kakoe vliyanie na ih rezul'taty, obladayushie vysokoi vnutrennei tochnost'yu, okazyvayut dvoinye zvezdy. V dannoi rabote rassmotreny sleduyushie voprosy: vliyanie dvoinyh na himicheskuyu evolyuciyu Galaktiki, na chastoty vspyshek sverhnovyh (razlichnyh tipov), na populyacii tochechnyh rentgenovskih istochnikov i nekotorye drugie voprosy. astro-ph/0411233 V 47 Tukana net goryachih yupiterov (An Absence of Hot Jupiter Planets in 47 Tucanae: Results of a Wide-Field Transit Search) Authors: David T.F Weldrake et al. Comments: 27 pages, 6 figures, accepted in ApJ Dannaya stat'ya rezul'tat obrabotki nablyudenii prohozhdeniya planet po diskam zvezd v sharovom skoplenii 47 Tucanae. Planety iskalis' v intervale orbital'nyh periodov ot 1 do 16 dnei, t.e. oni mogli byt' tol'ko "goryachimi yupiterami". Nablyudeniya velis' v techenie 30 nochei (ostal'nye detali obzora - v stat'e), ni odnoi planety obnaruzheno ne bylo. Odnako modelirovanie, predpolagayushee, chto planety v 47 Tuc obladayut tipichnymi svoistvami, daet drugoi rezul'tat: v obzore dolzhno bylo byt' obnaruzheno 7 planet. Eto ochen' interesnoe protivorechie! astro-ph/0411239 Poperechnaya skorost' linzirovannoi galaktiki v Q2237+0305 po otsutstviyu sil'noi mikrolinzovoi peremennosti (Limits on the Transverse Velocity of the Lensing Galaxy in Q2237+0305 from the Lack of Strong Microlensing Variability) Authors: Rodrigo Gil-Merino et al. Comments: 7 pages, 5 figures, accepted A&A Kak opredelit' ili ocenit' sverhu skorost' poperechnogo dvizheniya kosmicheskogo ob'ekta? Standartnyi sposob po izmeneniyu ego polozheniya na nebe cherez nekotoroe vremya goditsya, esli izmeryaemoe sobstvennoe dvizhenie dostatochno veliko. A kak izmerit' poperechnuyu skorost' dalekoi galaktiki ili kvazara? Nado privyazat'sya k kakoi-libo melkomasshtabnoi (po uglu) strukture. Naprimer, dlya izmereniya tangencial'nyh skorostei radiopul'sarov ispol'zuyut fluktuacii ih radioizlucheniya na neodnorodnostyah mezhzvezdnoi sredy. Avtory dannoi raboty nashli podobnuyu strukturu dlya linzirovannyh galaktik: eto sobytiya mikrolinzirovaniya na ih zvezdah. Esli my ne vidim podobnyh mikropul'sacii, to poperechnaya skorost' galaktik deistvitel'no dostatochno nizkaya. Podhod byl primenen k odnoi iz linzirovannyh galaktik v Q2237+0305. Poperechnaya skorost' linziruyushei galaktiki v<630 km/s pri masse mikrolinz 0.1Mo (ili v<2160 km/s pri masse 1.0Mo) s urovnem znachimosti 90%. miniobzor astro-ph/0411243 Rentgenovskaya observatoriya Chandra: nablyudeniya neitronnyh zvezd (The Chandra X-Ray Observatory: Observations of Neutron Stars) Authors: Martin C. Weisskopf Comments: 12 pages, 8 figures, NATO ASI Proceedings Naibolee izvestnaya osobennost' observatorii Chandra, rabotayushei v myagkoi rentgenovskoi oblasti spektra, umenie stroit' izobrazheniya, ne ustupayushie po razresheniyu opticheskim, poluchennym na nebol'shih nazemnyh teleskopah. Chandra nablyudaet vse: zvezdy, rentgenovskie istochniki, ostatki sverhnovyh, obychnye i aktivnye galaktiki, ih skopleniya, kvazary i t.d. Dannyi obzor posvyashen tol'ko neitronnym zvezdam. obzor astro-ph/0411247 Sverhmassivnye chernye dyry v yadrah galaktik: proshlye, nastoyashie i budushie issledovaniya (Supermassive Black Holes in Galactic Nuclei: Past, Present and Future Research) Authors: Laura Ferrarese, Holland Ford Comments: 114 pages, 46 figures, Invited Review Po ob'emu etot obzor skoree pohozh na dissertaciyu, prichem on osnovan tol'ko na nablyudatel'nyh dannyh. V nem rassmotreny sleduyushie voprosy: Rezul'taty poiskov sverhmassivnyh chernyh dyr. Dinamika zvezd i gazodinamika. BH v AGN. Raznoobrazie proyavlenii. Istoricheskii obzor. Planiruemye issledovaniya. i drugie. V obzore otsutstvuyut nekotorye risunki. Polnuyu versiyu mozhno vzyat' po adresu http://www.physics.rutgers.edu/~lff/publications.html. astro-ph/0411268 Dozhdi i oblaka v atmosferah buryh karlikov: svyazannye problemy ot malogo do bol'shogo (Rain and clouds in brown dwarf atmospheres: A coupled problem from small to large) Authors: Ch. Helling et al. Comments: 8 pages, 5 figures Krupnomasshtabnaya struktura atmosfer buryh karlikov opredelyaetsya celym ryadom vzaimodeistvuyushih processov: konvekciei, perenosom izlucheniya, obrazovaniem pyli i stratifikaciei veshestva v gravitacionnom pole. Sledstviem etih processov yavlyaetsya razdelenie himicheskih elementov s razlichnymi vesami. V rabote prodemonstrirovano, kak v atmosferah buryh karlikov mogut obrazovyvat'sya vpolne nablyudaemye pylevye oblaka. astro-ph/0411275 Tendencii v demografii i citirovanii statei ApJ (Demographic and Citation Trends in Astrophysical Journal papers and Reports) Authors: Greg J. Schwarz and Robert C. Kennicutt Jr Comments: 14 pages, 9 figures Avtory issledovali publikacii v ApJ i ih citiruemost' v 1999 i 2002 godah po dannym ADS i astro-ph. Vot nekotorye cifry: v 2002 g. 72% statei iz ApJ takzhe byli opublikovany v astro-ph; 61% iz etih preprintov byl opublikovan posle prinyatiya stat'i v ApJ; stat'i, publikovavshiesya v astro-ph, citirovalis' v 2 raza chashe; citiruemost' trudov konferencii v srednem v 20 raz nizhe, chem u statei v ApJ. Interesno? Delaite vyvody. astro-ph/0411283 Temnaya energiya chastic (Particle Dark Energy) Authors: Simon DeDeo Comments: 7 pages, 5 figures, submitted to Phys. Rev. D Stat'ya o fizike chastic, vzaimodeistvuyushih s kondensatom (t.e. s temnoi energiei). Dannaya model' daet celyi ryad predskazanii, u nee net malyh parametrov, no ona, konechno, trebuet proverki. astro-ph/0411284 Razrushenie atmosfernogo ozona gamma-vspleskom iz Mlechnogo Puti (Terrestrial Ozone Depletion Due to a Milky Way Gamma-Ray Burst) Authors: Brian C. Thomas et al. Comments: 12 pages, 3 figures Sovremennye modeli gamma-vspleskov pozvolyayut utverzhdat', chto za poslednii milliard let Zemlya byla obluchena gamma-vspleskom, proizoshedshim v nashei Galaktike, s rasstoyaniya ne bolee 2 kpk. Effekt podobnogo oblucheniya byl issledovan v dvumernoi modeli atmosfery. Pri vspleske s ekspoziciei 100 kDzh/m2 dlitel'nost'yu 10 sekund soderzhanie ozona v srednem umen'shalos' na 35% (v nekotoryh oblastyah na 55%). Nachal'nyi uroven' ozona vosstanovilsya primerno cherez 5 let. Eto moglo imet' dramaticheskie posledstviya, t.k. 50% snizhenie urovnya ozona vyzyvaet trehkratnoe povyshenie urovnya ul'trafioletovogo izlucheniya. hep-ex/0411033 Pervye rezul'taty Cernovskogo Aksionnogo Solnechnogo Teleskopa (First results from the CERN Axion Solar Telescope) Authors: CAST Collaboration Comments: 4 pages, submitted to PRL CAST (CERN Axion Solar Telescope) prednaznachen dlya poiska ispuskaemyh Solncem aksionov. Aksiony - gipoteticheskie chasticy, igrayushie vazhnuyu rol' v nekotoryh sovremennyh modelyah fiziki vysokih energii. V magnitnom pole, sozdannom v laboratorii, aksiony (nebol'shaya ih dolya) mogut preobrazovat'sya v fotony, kotorye i budut zaregistrirovany. Pervye rezul'taty: poka aksionov ne obnaruzheno. obzor nucl-th/0410091 Dve lekcii po cvetnoi sverhprovodimosti (Two lectures on color superconductivity) Authors: Igor A. Shovkovy Comments: 56 pages, 9 figures. Minor corrections and references added. Lectures delivered at the IARD 2004 conference, Saas Fee, Switzerland, June 12 - 19, 2004, and at the Helmholtz International Summer School and Workshop on Hot points in Astrophysics and Cosmology, JINR, Dubna, Russia, August 2 - 13, 2004 Eto ne sovsem astrofizicheskie lekcii. Odnako takoe ekzoticheskoe yavlenie kak cvetnaya sverhprovodimost' (osnovannaya na sparivanii kvarkov, a ne elektronov ili protonov) mozhet sushestvovat' v nedrah kompaktnyh ob'ektov - kvarkovyh zvezd. Poetomu my sochli umestnym pomestit' etot otryvok v nashem obzore. Tem bolee, chto sami lekcii my slyshali, i schitaem, chto ih avtor sovershenno zasluzhenno byl priznan luchshim lektorom shkoly v Dubne! A vot fotografiya iz Dubny, na kotoroi est' avtor lekcii i oba avtora obzorov (plyus neskol'ko drugih izvestnyh fizikov i astrofizikov). nucl-th/0411016 Gibridnye zvezdy, maskiruyushiesya pod neitronnye (Hybrid stars that masquerade as neutron stars) Authors: Mark Alford et al. Comments:21 pages, LaTeX Avtory pokazyvayut, chto gibridnye zvezdy, imeyushie kvarkovoe yadro i normal'nye vneshnie sloi, mogut imet' otnoshenie massy k radiusu primerno takoe zhe kak u obychnyh neitronnyh zvezd. Eto oznachaet, chto vydelit' takie ob'ekty budet oh kak neprosto! My budem starat'sya hotya by perechislit' interesnye (dlya shirokoi publiki) stat'i, poyavivshiesya v razdele physics (vklyuchaya cross-listing). physics/0411002 Chuvstvitel'nost' zemnogo klimata k solnechnomu izlucheniyu: novye dannye (Climate sensitivity of Earth to solar irradiance: update) Authors: David H. Douglass, B. David Clader, Robert S. Knox Comments: one pdf document including 2 figures Reakciya srednei temperatury na Zemle na kolebaniya kolichestva solnechnogo izlucheniya yavlyaetsya klyuchevym voprosom v teoriyah, opisyvayushih klimat i ego evolyuciyu. Avtory rasmatrivayut etot vopros, ispol'zuya novye dannye nablyudenii. Dannye pokazyvayut, chto reakciya v dva raza vyshe, chem eto sleduet iz prostogo (i chasto ispol'zuyushegosya) sootnosheniya. Za 11-letnii solnechnyi cikl (kogda solnechnaya postoyannaya, ravnaya 1365 Vt/m2, izmenyaetsya na 1 Vt/m2) izmenenie sostavlyaet ne 0.05K (kak dolzhno byt' po teorii), a 0.1K. Otdel'no avtory obsuzhdayut rol' vulkanov. physics/0411007 Vliyanie epistemologii na obuchenie: primer iz nachal'nogo kursa fiziki (The impact of epistemology on learning: A case study from introductory physics) Authors: Laura Lising, Andrew Elby Comments: 11 pages Rech' idet o studentah kolledzhei i universitetov, i zadacha sostoit v tom, chtoby pomoch' prepodavatelyam podat' material v bolee dostupnoi forme. Yasno, chto takie studenty - eto uzhe dostatochno sformirovavshiesya lichnosti. V chastnosti u nih est' bolee ili menee sformirovavshiisya vzglyad na to, chto takoe nauka i poznanie. Takie vozzreniya studentov mogut kak pomogat', tak i meshat' im. physics/0411026 Pochemu Obshestvo dolzhno finansirovat' nauku? (What is fair to ask Society to fund ?) Authors: Orfeu Bertolami Comments: Talk presented at the International Symposium on "Science, Knowledge and the Market", Instituto Superior T\'ecnico, Lisbon, Portugal, 21-23 October 2004. 5pp Avtor rassuzhdaet na temu "zachem davat' den'gi na fundamental'nuyu nauku". Nikakih otkrovenii v stat'e net. Odnako interesno pochitat', chto v Portugalii (kotoruyu my sobiraemsya dogonyat') takzhe ozabocheny analogichnymi problemami. physics/0411080 Mendeleev i periodicheskaya tablica elementov (Mendeleev and the Periodic Table of Elements) Authors: Subhash Kak Comments: 9 pages Interesnaya zametka po istorii nauki. My uzhe neodnokratno pisali o rabotah Subhash Kak. Vse oni tak ili inache byli svyazany s indiiskoi istoriei i kul'turoi. Dannaya stat'ya ne yavlyaetsya isklyucheniem. Pri sostavlenii periodicheskoi tablicy Mendeleev, kak horosho izvestno, predskazal sushestvovanie mnogih togda neizvestnyh elementov. Menee izvestno, chto dannye im imena byli sostavleny iz imeni izvestnogo elementa i sanskritskogo prefiksa (naprimer eka-aluminium. Avtor stat'i opisyvaet istoriyu sostavleniya tablicy i rassuzhdaet pochemu Mendeleev vybral imenno sanskritskie prefiksy. Vernut'sya k nachalu stranicy

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Sm. takzhe: Obzory elektronnyh preprintov Astro-Ph Opublikovan ocherednoi obzor preprintov astro-ph Luchshie raboty v astro-ph v 2006 godu Luchshie nablyudatel'nye raboty v astro-ph za 2005 g. Obzory elektronnyh preprintov Astro-Ph za 2002 g. Obzor obzorov astro-ph: luchshee za pervuyu polovinu 2003 g. Obzor obzorov astro-ph: luchshee za vtoruyu polovinu 2003 g. Vse publikacii na tu zhe temu >>