21245+3015 A 1219 AB
21h 24m 30.74s +30° 15' 18.0" P.A. 312.00 sep 1.5 mag 10.23,10.26 Sp F5 dist. 751.88 pc (2452.63 l.y.)
| Coord 2000 |
21245+3015 |
|
Discov num |
A 1219 |
|
Comp |
AB |
|
Coord arcsec 2000 |
21 24 30.74 +30 15 18.0 |
|
| Date first |
1905 |
|
Date last |
2016 |
|
Obs |
24 |
|
| Pa first |
304 |
|
Pa last |
312.4 |
|
P.A. Now (θ) |
312.4° |
|
| Sep first |
1.5 |
|
Sep last |
1.477 |
|
Sep. Now (ρ) |
1.477" |
|
| Mag pri |
10.23 |
|
Mag sec |
10.26 |
|
delta mag (ΔM) |
0.03 |
|
Spectral class |
F5 (yellow-white) |
|
| Pri motion ra |
+007 |
|
Sec motion ra |
+007 |
|
| Pri motion dec |
-005 |
|
Sec motion dec |
-005 |
|
| Notes |
W
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
HIP |
105700 |
|
Tycho2 |
2703-00774-2 |
|
BD |
BD+29 4407 |
|
| Distance |
751.88 |
|
Distance ly |
2452.63 |
|
