21502+3750 ES 1996
21h 50m 15.70s +37° 50' 27.6" P.A. 337.00 sep 2.3 mag 11.90,12.20
Coord 2000 |
21502+3750 |
|
Discov num |
ES 1996 |
|
Comp |
|
|
Coord arcsec 2000 |
21 50 15.70 +37 50 27.6 |
|
Date first |
1922 |
|
Date last |
2016 |
|
Obs |
4 |
|
Pa first |
347 |
|
Pa last |
337.1 |
|
P.A. Now (θ) |
337.1° |
|
Sep first |
2.2 |
|
Sep last |
2.336 |
|
Sep. Now (ρ) |
2.336" |
|
Mag pri |
11.90 |
|
Mag sec |
12.20 |
|
delta mag (ΔM) |
0.3 |
|
Spectral class |
|
|
Pri motion ra |
+003 |
|
Sec motion ra |
|
|
Pri motion dec |
-003 |
|
Sec motion dec |
|
|
Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cygnus |
|
Gaia DR2 |
1952954756580584448 |
|