NGC 4584
| Galaxy NGC 4584 |
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|---|---|
![NGC 4584 [1] SDSS image](https://de.wikipedia.org/wiki/Datei:NGC4584_-_SDSS_DR14.jpg)
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| NGC 4584 SDSS Recording | |
| AladinLite | |
| Constellation | Virgin |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 12 h 38 m 17.73 s |
| declination | + 13 ° 06 ′ 35.64 ″ |
| Appearance | |
| Morphological type | SAB (s) a? / HII |
| Brightness (visual) | 12.8 mag |
| Brightness (B-band) | 13.7 mag |
| Angular expansion | 1.4 '× 1.0' |
| Position angle | 5 ° |
| Surface brightness | 13.0 mag / arcmin² |
| Physical data | |
| Affiliation | Virgo cluster NGC 4461 group LGG 286 |
| Redshift | 0.005934 ± 0.000027 |
| Radial velocity | 1779 ± 8 km / s |
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Stroke distance v rad / H 0 |
(77 ± 6) · 10 6 ly (23.7 ± 1.7) Mpc |
| history | |
| discovery | Heinrich d'Arrest |
| Discovery date | April 21, 1862 |
| Catalog names | |
| NGC 4584 • UGC 7803 • PGC 42223 • CGCG 070-199 • MCG + 02-32-162 • 2MASX J12381783 + 1306360 • VCC 1757 • GC 3124 • WISEA J123817.89 + 130636.1 • LDCE 0904 NED208 • NSA 162154 • EVCC 979 | |
NGC 4584 is a barred spiral galaxy of the Hubble type SBa with extensive star formation regions in the constellation Virgo on the ecliptic . It is estimated to be 77 million light years from the Milky Way and about 35,000 light years in diameter. Together with eight other galaxies, it is part of the NGC 4461 group ( LGG 286 ) and under catalog number VCC 1757 it is listed as a member of the Virgo galaxy cluster .
In the same area of the sky are u. a. the galaxies NGC 4569 , IC 3583 , IC 3611 , IC 3631 .
The object was on 21 April 1862 by Heinrich Louis d'Arrest discovered