21122+3828 SMA 137
21h 12m 19.85s +38° 28' 19.7" P.A. 121.00 sep 9.6 mag 11.20,12.20
Coord 2000 |
21122+3828 |
|
Discov num |
SMA 137 |
|
Comp |
|
|
Coord arcsec 2000 |
21 12 19.85 +38 28 19.7 |
|
Date first |
1923 |
|
Date last |
2014 |
|
Obs |
10 |
|
Pa first |
118 |
|
Pa last |
121.3 |
|
P.A. Now (θ) |
121.3° |
|
Sep first |
10.5 |
|
Sep last |
9.616 |
|
Sep. Now (ρ) |
9.616" |
|
Mag pri |
11.20 |
|
Mag sec |
12.20 |
|
delta mag (ΔM) |
1 |
|
Spectral class |
|
|
Pri motion ra |
+009 |
|
Sec motion ra |
+004 |
|
Pri motion dec |
+000 |
|
Sec motion dec |
-002 |
|
Notes |
N
(See Notes) |
|
rPM=0.598
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cygnus |
|
Tycho2 |
3169-02608-1 |
|
Gaia DR2 |
1965052030192996352 |
|