21117+4849 COU 2651
21h 11m 41.68s +48° 48' 52.0" P.A. 13.00 sep 0.9 mag 9.60,12.10 Sp A0
| Coord 2000 |
21117+4849 |
|
Discov num |
COU2651 |
|
Comp |
|
|
Coord arcsec 2000 |
21 11 41.68 +48 48 52.0 |
|
| Date first |
1991 |
|
Date last |
2014 |
|
Obs |
2 |
|
| Pa first |
16 |
|
Pa last |
13.4 |
|
P.A. Now (θ) |
13.4° |
|
| Sep first |
0.9 |
|
Sep last |
0.907 |
|
Sep. Now (ρ) |
0.907" |
|
| Mag pri |
9.60 |
|
Mag sec |
12.10 |
|
delta mag (ΔM) |
2.5 |
|
Spectral class |
A0 (white) |
|
| Pri motion ra |
+005 |
|
Sec motion ra |
|
|
| Pri motion dec |
-005 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
SAO |
50555 |
|
Gaia DR2 |
2165746123821262848 |
|
