21020+3745 COU 2223
21h 02m 03.41s +37° 44' 04.2" P.A. 180.00 sep 1.9 mag 9.84,10.80
Coord 2000 |
21020+3745 |
|
Discov num |
COU2223 |
|
Comp |
|
|
Coord arcsec 2000 |
21 02 03.41 +37 44 04.2 |
|
Date first |
1984 |
|
Date last |
2017 |
|
Obs |
7 |
|
Pa first |
181 |
|
Pa last |
180.3 |
|
P.A. Now (θ) |
180.3° |
|
Sep first |
1.4 |
|
Sep last |
1.893 |
|
Sep. Now (ρ) |
1.893" |
|
Mag pri |
9.84 |
|
Mag sec |
10.80 |
|
delta mag (ΔM) |
0.96 |
|
Spectral class |
|
|
Pri motion ra |
-009 |
|
Sec motion ra |
|
|
Pri motion dec |
-005 |
|
Sec motion dec |
|
|
Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cygnus |
|
Tycho2 |
3168-02059-1 |
|
Gaia DR2 |
1871705966897031808 |
|