21291+3102 BRT 288
21h 29m 02.76s +31° 02' 44.8" P.A. 96.00 sep 4.8 mag 11.34,11.40
Coord 2000 |
21291+3102 |
|
Discov num |
BRT 288 |
|
Comp |
|
|
Coord arcsec 2000 |
21 29 02.76 +31 02 44.8 |
|
Date first |
1895 |
|
Date last |
2016 |
|
Obs |
13 |
|
Pa first |
97 |
|
Pa last |
96.2 |
|
P.A. Now (θ) |
96.2° |
|
Sep first |
4.2 |
|
Sep last |
4.846 |
|
Sep. Now (ρ) |
4.846" |
|
Mag pri |
11.34 |
|
Mag sec |
11.40 |
|
delta mag (ΔM) |
0.06 |
|
Spectral class |
|
|
Pri motion ra |
-014 |
|
Sec motion ra |
|
|
Pri motion dec |
+009 |
|
Sec motion dec |
|
|
Notes |
N
(See Notes) |
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cygnus |
|
Tycho2 |
2704-01860-1 |
|
Gaia DR2 |
1850393617609318272 |
|