PGC 139943
| Galaxy LEDA / PGC 139943 |
|
|---|---|
![NGC 4510 with LEDA 139943 (r) [1] SDSS mount](https://de.wikipedia.org/wiki/Datei:NGC4510_-_SDSS_DR14.jpg)
|
|
| NGC 4510 with LEDA 139943 (r) SDSS image | |
| AladinLite | |
| Constellation | Dragon |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 12 h 31 m 31.4 s |
| declination | + 64 ° 14 ′ 18 ″ |
| Appearance | |
| Morphological type | BLLAC |
| Angular expansion | 0.23 ′ × 0.19 ′ |
| Physical data | |
| Redshift | 0.162940 ± 0.000197 |
| Radial velocity | 48,848 ± 59 km / s |
|
Stroke distance v rad / H 0 |
(2188 ± 153) · 10 6 Lj (670.7 ± 47.0) Mpc |
| history | |
| Catalog names | |
| PGC 139943 • 2MASX J12313142 + 6414181 • GALEX ASC J123131.40 + 641418.8 • SDSS J123131.39 + 641418.2 • QSO B1229 + 6430 • NVSS J123131 + 641419 | |
LEDA / PGC 139943 is a BL Lacertae object in the constellation Dragon in the northern sky . It is estimated to be 2.2 billion light years from the Milky Way .
In the same area of the sky are the galaxies NGC 4481 , NGC 4510 , NGC 4512 , NGC 4545 .