21444+3140 HJ 1686
21h 44m 26.73s +31° 39' 56.6" P.A. 229.00 sep 13.7 mag 10.63,11.10 Sp G5
Coord 2000 |
21444+3140 |
|
Discov num |
HJ 1686 |
|
Comp |
|
|
Coord arcsec 2000 |
21 44 26.73 +31 39 56.6 |
|
Date first |
1828 |
|
Date last |
2014 |
|
Obs |
13 |
|
Pa first |
226 |
|
Pa last |
229.3 |
|
P.A. Now (θ) |
229.3° |
|
Sep first |
7.0 |
|
Sep last |
13.69 |
|
Sep. Now (ρ) |
13.69" |
|
Mag pri |
10.63 |
|
Mag sec |
11.10 |
|
delta mag (ΔM) |
0.47 |
|
Spectral class |
G5 (yellow) |
|
Pri motion ra |
-001 |
|
Sec motion ra |
-004 |
|
Pri motion dec |
+008 |
|
Sec motion dec |
+008 |
|
Notes |
|
|
rPM=0.335
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cygnus |
|
Tycho2 |
2717-02000-1 |
|
Gaia DR2 |
1945995810042911232 |
|