NGC 4492
Galaxy NGC 4492 / IC 3438 |
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NGC 4492 | |
AladinLite | |
Constellation | Virgin |
Position equinox : J2000.0 , epoch : J2000.0 |
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Right ascension | 12 h 30 m 59.714 s |
declination | + 08 ° 04 ′ 40.32 ″ |
Appearance | |
Morphological type | SA (s) a? / RET |
Brightness (visual) | 12.4 mag |
Brightness (B-band) | 13.3 mag |
Angular expansion | 1.7 '× 1.6' |
Position angle | 90 ° |
Surface brightness | 13.3 mag / arcmin² |
Physical data | |
Affiliation | Virgo cluster NGC 4535 group LGG 296 |
Redshift | 0.005804 ± 0.000015 |
Radial velocity | 1740 ± 4 km / s |
Stroke distance v rad / H 0 |
(75 ± 5) x 10 6 ly (22.9 ± 1.6) Mpc |
history | |
discovery | William Herschel |
Discovery date | December 28, 1785 |
Catalog names | |
NGC 4492 • IC 3438 • UGC 7656 • PGC 41383 • CGCG 042-141 • MCG + 01-32-089 • 2MASX J12305975 + 0804404 • VCC 1330 • GC 3040 • H II 499 • h 1305 • GALEX ASC J123059.67 + 080440.9 • LDCE 904 NED162 • WISEA J123059.71 + 080440.6 • EVCC 2147 |
NGC 4492 = IC 3438 is a spiral galaxy of the Hubble type Sa in the constellation Virgo on the ecliptic . It is estimated to be 75 million light years from the Milky Way and about 35,000 light years in diameter. The galaxy is listed under catalog number VCC 1330 as a member of the Virgo galaxy cluster and is considered a member of the NGC 4535 group ( LGG 296 ).
In the same area of the sky are u. a. the galaxies NGC 4465 , NGC 4467 , NGC 4472 , NGC 4488 .
The object was discovered by Wilhelm Herschel on December 28, 1785 .
Web links
Commons : NGC 4492 - collection of images, videos, and audio files