21492+6312 HEI 290
21h 49m 15.15s +63° 12' 35.7" P.A. 7.00 sep 1.2 mag 11.21,11.60
| Coord 2000 |
21492+6312 |
|
Discov num |
HEI 290 |
|
Comp |
|
|
Coord arcsec 2000 |
21 49 15.15 +63 12 35.7 |
|
| Date first |
1983 |
|
Date last |
2008 |
|
Obs |
4 |
|
| Pa first |
4 |
|
Pa last |
7.2 |
|
P.A. Now (θ) |
7.2° |
|
| Sep first |
1.1 |
|
Sep last |
1.154 |
|
Sep. Now (ρ) |
1.154" |
|
| Mag pri |
11.21 |
|
Mag sec |
11.60 |
|
delta mag (ΔM) |
0.39 |
|
Spectral class |
|
|
| Pri motion ra |
+007 |
|
Sec motion ra |
+007 |
|
| Pri motion dec |
-003 |
|
Sec motion dec |
-003 |
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cepheus |
|
Tycho2 |
4266-02072-1 |
|
Gaia DR2 |
2216467527228385408 |
|
