NGC 5454
| Galaxy NGC 5454 |
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|---|---|
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| SDSS image of NGC 5454 | |
| AladinLite | |
| Constellation | Bear keeper |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 14 h 04 m 45.7 s |
| declination | + 14 ° 22 ′ 55 ″ |
| Appearance | |
| Morphological type | S0 |
| Brightness (visual) | 13.1 mag |
| Brightness (B-band) | 14.1 mag |
| Angular expansion | 1.5 ′ × 0.9 ′ |
| Position angle | 110 ° |
| Surface brightness | 13.4 mag / arcmin² |
| Physical data | |
| Redshift | 0.025621 ± 0.000103 |
| Radial velocity | 7681 ± 31 km / s |
|
Stroke distance v rad / H 0 |
(343 ± 24) x 10 6 ly (105.3 ± 7.4) Mpc |
| history | |
| discovery | Heinrich d'Arrest |
| Discovery date | April 21, 1865 |
| Catalog names | |
| NGC 5454 • UGC 8997 • PGC 50192 • CGCG 103-064 • MCG + 03-36-42 • GC 5756 • GALEXASC J140445.68 + 142254.3 • LDCE 1035 NED002 | |
NGC 5454 is a 13.1 mag bright lens-shaped galaxy of the Hubble type "S0" in the constellation Bear Guardian in the northern sky . It is estimated to be 343 million light years from the Milky Way and about 155,000 light years in diameter .
The galaxy IC 970 is located in the same area of the sky .
The object was discovered by Heinrich Louis d'Arrest on April 21, 1865 .
Web links
- NGC 5454. SIMBAD, accessed March 6, 2016 .
- NGC 5454. DSO Browser, accessed March 6, 2016 .
- Auke Slotegraaf: NGC 5454. Deep Sky Observer's Companion, accessed March 6, 2016 (English).