21383+3917 GRV 488
21h 38m 22.73s +39° 17' 42.0" P.A. 19.00 sep 59.8 mag 12.67,13.14
| Coord 2000 |
21383+3917 |
|
Discov num |
GRV 488 |
|
Comp |
|
|
Coord arcsec 2000 |
21 38 22.73 +39 17 42.0 |
|
| Date first |
1999 |
|
Date last |
2015 |
|
Obs |
7 |
|
| Pa first |
19 |
|
Pa last |
18.9 |
|
P.A. Now (θ) |
18.9° |
|
| Sep first |
59.8 |
|
Sep last |
59.767 |
|
Sep. Now (ρ) |
59.767" |
|
| Mag pri |
12.67 |
|
Mag sec |
13.14 |
|
delta mag (ΔM) |
0.47 |
|
Spectral class |
|
|
| Pri motion ra |
-009 |
|
Sec motion ra |
-013 |
|
| Pri motion dec |
-015 |
|
Sec motion dec |
-008 |
|
| Notes |
|
|
rPM=0.461
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Gaia DR2 |
1953932909613206272 |
|
