21288+4809 HJ 1651
21h 28m 52.84s +48° 09' 33.4" P.A. 334.00 sep 11.9 mag 10.48,10.40
| Coord 2000 |
21288+4809 |
|
Discov num |
HJ 1651 |
|
Comp |
|
|
Coord arcsec 2000 |
21 28 52.84 +48 09 33.4 |
|
| Date first |
1828 |
|
Date last |
2015 |
|
Obs |
11 |
|
| Pa first |
328 |
|
Pa last |
333.6 |
|
P.A. Now (θ) |
333.6° |
|
| Sep first |
9.0 |
|
Sep last |
11.911 |
|
Sep. Now (ρ) |
11.911" |
|
| Mag pri |
10.48 |
|
Mag sec |
10.40 |
|
delta mag (ΔM) |
0.08 |
|
Spectral class |
|
|
| Pri motion ra |
-006 |
|
Sec motion ra |
-002 |
|
| Pri motion dec |
-009 |
|
Sec motion dec |
-004 |
|
| Notes |
|
|
rPM=0.592
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
3594-00236-1 |
|
Gaia DR2 |
1978593237455038848 |
|
