21512+4050 GRV 515
21h 51m 13.68s +40° 50' 02.0" P.A. 313.00 sep 28.2 mag 11.16,14.20
| Coord 2000 |
21512+4050 |
|
Discov num |
GRV 515 |
|
Comp |
|
|
Coord arcsec 2000 |
21 51 13.68 +40 50 02.0 |
|
| Date first |
1998 |
|
Date last |
2015 |
|
Obs |
6 |
|
| Pa first |
313 |
|
Pa last |
312.8 |
|
P.A. Now (θ) |
312.8° |
|
| Sep first |
28.2 |
|
Sep last |
28.22 |
|
Sep. Now (ρ) |
28.22" |
|
| Mag pri |
11.16 |
|
Mag sec |
14.20 |
|
delta mag (ΔM) |
3.04 |
|
Spectral class |
|
|
| Pri motion ra |
-011 |
|
Sec motion ra |
-006 |
|
| Pri motion dec |
-011 |
|
Sec motion dec |
-005 |
|
| Notes |
|
|
rPM=0.502
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Gaia DR2 |
1960221119689943424 |
|
