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NGC 6946

NGC 6946
Сурәт
Каталог коды NGC 6946[1], IRAS 20338+5959[1], IRAS F20338+5958[1], PGC 65001[1][2][1], UGC 11597[1], 2MASX J20345233+6009132[1], MCG+10-29-006[1], IRAS 20338+5958[1], APG 29[1], Z 304-6[1], Z 2033.8+5959[1], UZC J203452.8+600911[1], PSCz Q20338+5958[1], LEDA 65001[1] һәм Caldwell 12
Ачучы яки уйлап табучы Уильям Гершель[d]
Ачыш датасы 9 сентябрь 1798
Йолдызлык Кефей йолдызлыгы
Кызыл тайпылыш 0,00015 ± 2,3E−5 һәм 0,00015 ± 2,3E−5[3]
Җирдән ераклык 22 500 000 ± 7 800 000 яктылык елы[4] һәм 5,52 ± 1,66 мегапарсек[5]
Радиаль тизлек 48 km/s[6]
Галактиканың морфологик төре SBc һәм SAB(rs)cd[7]
Күренмә йолдызча зурлык 9[8]
Чор J2000.0[d][9]
Туры калкулык 308,71805 °[9]
Авышлык 60,1536778 °[9]
 NGC 6946 Викиҗыентыкта

NGC 6946Томанлыклар һәм йолдыз тупланмалары яңа гомуми каталогында теркәлгән галактика.

Әлеге галактика 1798 елда инглиз астрономы William Herschel тарафыннан, яктылык җыючы элемент буларак көзге кулланучы, 47.5 см (18.7 дюйм) зурлыктагы оптик телескоп ярдәмендә ачылган.[10]

  1. 1,00 1,01 1,02 1,03 1,04 1,05 1,06 1,07 1,08 1,09 1,10 1,11 1,12 1,13 1,14 6946 SIMBAD Astronomical Database
  2. http://haroldcorwin.net/rc3/rc39b.csv.gz
  3. Paturel G., Dubois P., Petit C. et al. Comparison LEDA/SIMBAD octobre 2002. Catalogue to be published in 2003 — 2002.
  4. http://nedwww.ipac.caltech.edu/cgi-bin/nDistance?name=NGC+6946
  5. Lelli F., McGAUGH S. S., Schombert J. M. The small scatter of the baryonic Tully-Fisher relation // The Astrophysical Journal LettersIOP Publishing, 2016. — ISSN 2041-8205; 2041-8213doi:10.3847/2041-8205/816/1/L14arXiv:1512.04543
  6. Masters K. L. Groups of Galaxies in the Two Micron All Sky Redshift Survey // The Astrophysical Journal LettersIOP Publishing, 2007. — ISSN 2041-8205; 2041-8213doi:10.1086/510201arXiv:astro-ph/0610732
  7. Beckman J. E., Amram P. The ratio of pattern speeds in double-barred galaxies // Mon. Not. R. Astron. Soc. / D. FlowerOUP, 2014. — ISSN 0035-8711; 1365-2966doi:10.1093/MNRASL/SLU120arXiv:1408.4274
  8. Frommert H. Revised NGC Data for NGC 6946
  9. 9,0 9,1 9,2 T. Jarrett, Carpenter J. M., Gizis J. E. et al. The Two Micron All Sky Survey (2MASS) // Astron. J. / J. G. III, E. VishniacNYC: IOP Publishing, AAS, University of Chicago Press, AIP, 2006. — ISSN 0004-6256; 1538-3881doi:10.1086/498708
  10. NGC/IC (English). NGC 6946.

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NGC 6946
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