21240+2445 COU 231
21h 23m 58.98s +24° 45' 23.4" P.A. 123.00 sep 0.5 mag 9.90,10.60 Sp G0
Coord 2000 |
21240+2445 |
|
Discov num |
COU 231 |
|
Comp |
|
|
Coord arcsec 2000 |
21 23 58.98 +24 45 23.4 |
|
Date first |
1967 |
|
Date last |
2014 |
|
Obs |
9 |
|
Pa first |
113 |
|
Pa last |
122.7 |
|
P.A. Now (θ) |
122.7° |
|
Sep first |
0.3 |
|
Sep last |
0.477 |
|
Sep. Now (ρ) |
0.477" |
|
Mag pri |
9.90 |
|
Mag sec |
10.60 |
|
delta mag (ΔM) |
0.7 |
|
Spectral class |
G0 (yellow) |
|
Pri motion ra |
+030 |
|
Sec motion ra |
|
|
Pri motion dec |
+002 |
|
Sec motion dec |
|
|
Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Vulpecula |
|
Tycho2 |
2191-01761-1 |
|
Gaia DR2 |
1798442277310241024 |
|