IC 540
| Galaxy IC 540 |
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|---|---|
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| SDSS recording | |
| AladinLite | |
| Constellation | lion |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 09 h 30 m 10.3 s |
| declination | + 07 ° 54 ′ 10 ″ |
| Appearance | |
| Morphological type | S / Seyfert 2 |
| Brightness (visual) | 14.1 mag |
| Brightness (B-band) | 14.9 mag |
| Angular expansion | 1 ′ × 0.3 ′ |
| Position angle | 170 ° |
| Surface brightness | 12.6 mag / arcmin² |
| Physical data | |
| Redshift | 0.006788 ± 0.000083 |
| Radial velocity | 2035 ± 25 km / s |
|
Stroke distance v rad / H 0 |
(85 ± 6) x 10 6 ly (26.1 ± 1.9) Mpc |
| history | |
| discovery | Stephane Javelle |
| Discovery date | April 10, 1893 |
| Catalog names | |
| IC 540 • UGC 5064 • PGC 26968 • CGCG 034-054 • MCG + 01-24-025 • IRAS F09276 + 0807 • 2MASX J09301026 + 0754091 • GALEX ASC J093010.26 + 075410.3 • LDCE 648 NED003 | |
IC 540 is a spiral galaxy with an active nucleus of the Hubble type Sbc in the constellation Leo on the ecliptic . It is estimated to be 85 million light years away from the Milky Way and has a diameter of about 25,000 ly.
In the same area of the sky are the galaxies NGC 2882 , NGC 2894 , NGC 2906 , among others .
The object was discovered on April 10, 1893 by the astronomer Stéphane Javelle .