21246+5715 HEI 881
21h 24m 35.07s +57° 15' 06.6" P.A. 71.00 sep 3.2 mag 11.51,11.73 Sp F8
| Coord 2000 |
21246+5715 |
|
Discov num |
HEI 881 |
|
Comp |
|
|
Coord arcsec 2000 |
21 24 35.07 +57 15 06.6 |
|
| Date first |
1987 |
|
Date last |
2015 |
|
Obs |
4 |
|
| Pa first |
70 |
|
Pa last |
70.8 |
|
P.A. Now (θ) |
70.8° |
|
| Sep first |
3.0 |
|
Sep last |
3.19 |
|
Sep. Now (ρ) |
3.19" |
|
| Mag pri |
11.51 |
|
Mag sec |
11.73 |
|
delta mag (ΔM) |
0.22 |
|
Spectral class |
F8 (yellow-white) |
|
| Pri motion ra |
-030 |
|
Sec motion ra |
+011 |
|
| Pri motion dec |
-026 |
|
Sec motion dec |
-013 |
|
| Notes |
|
|
rPM=1.083
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cepheus |
|
Tycho2 |
3974-01155-1 |
|
Gaia DR2 |
2178754999955647232 |
|
