NGC 4991
| NGC 4991 | |
|---|---|
| Galaksio | Listo de galaksioj |
| radiogalaksio • spirala galaksio • astra radiofonto • infraruĝa fonto | |
| Historio de esploro | |
| Trovinto | Albert Marth |
| Dato de trovo | 30-a de aprilo 1864 |
| Indikoj | NGC 4991, ZWG 44.13, PGC 45604 |
| Observaj datumoj (Epoko J2000.0) | |
| Speco | Sb |
| Rektascensio | 13h 09m 15,2s |
| Deklinacio | +02° 20' 54" |
| Ruĝenŝoviĝo | +0,056859 ± 0,000093 |
| Distanco | |
| Videbla magnitudo (V) | 14,7 |
| Fota magnitudo (V) | 15,5 |
| Videblaj ampleksoj | 0,6' × 0,4' |
| Surfaca heleco | 13,0 |
| Angula situo | 90 |
| Konstelacio | Virgo |
| Fizikaj ecoj | |
| Radiuso | |
| Absoluta magnitudo (V) | |
| Ecoj | |
NGC 4991 (aliaj indikoj — ZWG 44.13, PGC 45604) estas galaksio en konstelacio Virgo.
Ĉi tiu objekto estis jam en la originala versio de NGC-katalogo.
Vidu ankaŭ
| ◄ NGC 4987 | NGC 4988 | NGC 4989 | NGC 4990 | NGC 4991 | NGC 4992 | NGC 4993 | NGC 4995 | NGC 4996 ► |
Eksteraj ligiloj
- Informo el la originala versio de NGC-katalogo angle
- Informo el la originala versio de NGC-katalogo france
- Rekontrolita informo pri la objekto angle
- http://simbad.u-strasbg.fr/sim-id.pl?Ident=NGC%204991 angle
- http://vizier.u-strasbg.fr/viz-bin/VizieR-S?NGC%204991 angle
- NASA/IPAC Extragalactic Database angle
- Fotoj de NGC 4991 en SkyView angle
- Fotoj de ĉiuj NGC-objektoj en SkyView angle
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