21516+3030 MLB 669
21h 51m 35.73s +30° 29' 57.9" P.A. 309.00 sep 3.2 mag 9.50,10.50
| Coord 2000 |
21516+3030 |
|
Discov num |
MLB 669 |
|
Comp |
|
|
Coord arcsec 2000 |
21 51 35.73 +30 29 57.9 |
|
| Date first |
1930 |
|
Date last |
2015 |
|
Obs |
4 |
|
| Pa first |
309 |
|
Pa last |
309.1 |
|
P.A. Now (θ) |
309.1° |
|
| Sep first |
2.5 |
|
Sep last |
3.187 |
|
Sep. Now (ρ) |
3.187" |
|
| Mag pri |
9.50 |
|
Mag sec |
10.50 |
|
delta mag (ΔM) |
1 |
|
Spectral class |
|
|
| Pri motion ra |
-002 |
|
Sec motion ra |
|
|
| Pri motion dec |
+000 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Pegasus |
|
Tycho2 |
2718-00093-1 |
|
Gaia DR2 |
1897604379162244992 |
|
