21099+4013 COU 1968
21h 09m 51.17s +40° 12' 50.4" P.A. 104.00 sep 0.2 mag 9.50,9.50 Sp F8
| Coord 2000 |
21099+4013 |
|
Discov num |
COU1968 |
|
Comp |
|
|
Coord arcsec 2000 |
21 09 51.17 +40 12 50.4 |
|
| Date first |
1981 |
|
Date last |
2014 |
|
Obs |
8 |
|
| Pa first |
98 |
|
Pa last |
103.9 |
|
P.A. Now (θ) |
103.9° |
|
| Sep first |
0.2 |
|
Sep last |
0.151 |
|
Sep. Now (ρ) |
0.151" |
|
| Mag pri |
9.50 |
|
Mag sec |
9.50 |
|
delta mag (ΔM) |
0 |
|
Spectral class |
F8 (yellow-white) |
|
| Pri motion ra |
+027 |
|
Sec motion ra |
|
|
| Pri motion dec |
+000 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
3172-02285-1 |
|
Gaia DR2 |
1968398462551190272 |
|
