NGC 4988
Galaxy NGC 4988 |
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AladinLite | |
Constellation | centaur |
Position equinox : J2000.0 , epoch : J2000.0 |
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Right ascension | 13 h 09 m 54.4 s |
declination | -43 ° 06 ′ 21 ″ |
Appearance | |
Morphological type | S0-a |
Brightness (visual) | 13.0 likes |
Brightness (B-band) | 13.9 likes |
Angular expansion | 1.7 ′ × 0.5 ′ |
Position angle | 26 ° |
Surface brightness | 12.7 mag / arcmin² |
Physical data | |
Redshift | 0.006995 +/- 0.000140 |
Radial velocity | 2097 +/- 42 km / s |
Stroke distance v rad / H 0 |
(86 ± 6) · 10 6 ly (26.4 ± 1.9) Mpc |
history | |
discovery | John Herschel |
Discovery date | June 3, 1834 |
Catalog names | |
NGC 4988 • PGC 45671 • ESO 269-055 • MCG -07-27-037 • IRAS 13070-4250 • 2MASX J13095440-4306204 • SGC 130702-4250.4 • GC 3425 • h 3470 • GALEX ASC J130954.38-430620.5 |
NGC 4988 is a 13.0 mag bright lens-shaped galaxy of the Hubble type "S0-a" in the constellation Centaur in the southern sky . It is estimated to be 86 million light years away from the Milky Way and has a diameter of around 45,000 ly.
In the same area of the sky is the galaxy NGC 5011 .
The object was discovered on June 3, 1834 by John Herschel with an 18-inch reflector telescope, who described it as "vF, S, E, possibly a small group of stars, but I think it is nebulous".