NGC 4795
Galaxy NGC 4795 |
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SDSS recording | |
AladinLite | |
Constellation | Virgin |
Position equinox : J2000.0 , epoch : J2000.0 |
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Right ascension | 12 h 55 m 02.8 s |
declination | + 08 ° 03 ′ 56 ″ |
Appearance | |
Morphological type | (R ') SB (r) a / pec: |
Brightness (visual) | 12.2 mag |
Brightness (B-band) | 13.1 mag |
Angular expansion | 2.3 ′ × 1.6 ′ |
Position angle | 118 ° |
Surface brightness | 13.5 mag / arcmin² |
Physical data | |
Redshift | 0.009276 +/- 0.000020 |
Radial velocity | 2781 +/- 6 km / s |
Stroke distance v rad / H 0 |
(122 ± 8) · 10 6 ly (37.4 ± 2.6) Mpc |
history | |
discovery | Wilhelm Herschel |
Discovery date | January 23, 1784 |
Catalog names | |
NGC 4795 • UGC 8037 • PGC 43998 • CGCG 043-064 • MCG + 01-33-024 • 2MASX J12550289 + 0803555 • GC 3302 • H II 21 • h 1474 • LDCE 0920 NED002 |
NGC 4795 is a 12.2 likes bright barred spiral galaxy of Hubble type SBa in the constellation Virgo . It is an estimated 122 million light-years away from the Milky Way and has a diameter of around 90,000 ly. It is connected to NGC 4796 by gravity , and its eastern arm is already showing signs of this influence.
The object was discovered on January 23, 1784 by Wilhelm Herschel with an 18.7-inch reflector telescope, who described it as “pretty bright, pretty large, brighter towards the preceding side”.