21092+3620 COU 1815
21h 09m 13.21s +36° 20' 49.9" P.A. 100.00 sep 0.4 mag 10.50,10.50 Sp A0V
Coord 2000 |
21092+3620 |
|
Discov num |
COU1815 |
|
Comp |
|
|
Coord arcsec 2000 |
21 09 13.21 +36 20 49.9 |
|
Date first |
1978 |
|
Date last |
2011 |
|
Obs |
7 |
|
Pa first |
98 |
|
Pa last |
99.5 |
|
P.A. Now (θ) |
99.5° |
|
Sep first |
0.4 |
|
Sep last |
0.359 |
|
Sep. Now (ρ) |
0.359" |
|
Mag pri |
10.50 |
|
Mag sec |
10.50 |
|
delta mag (ΔM) |
0 |
|
Spectral class |
A0V (white) |
|
Pri motion ra |
+001 |
|
Sec motion ra |
|
|
Pri motion dec |
-007 |
|
Sec motion dec |
|
|
Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cygnus |
|
Tycho2 |
2714-01776-1 |
|