21256+4138 A 618
21h 25m 34.50s +41° 38' 24.4" P.A. 276.00 sep 0.6 mag 9.85,10.24 Sp A0
Coord 2000 |
21256+4138 |
|
Discov num |
A 618 |
|
Comp |
|
|
Coord arcsec 2000 |
21 25 34.50 +41 38 24.4 |
|
Date first |
1903 |
|
Date last |
2016 |
|
Obs |
15 |
|
Pa first |
266 |
|
Pa last |
275.8 |
|
P.A. Now (θ) |
275.8° |
|
Sep first |
0.3 |
|
Sep last |
0.62 |
|
Sep. Now (ρ) |
0.62" |
|
Mag pri |
9.85 |
|
Mag sec |
10.24 |
|
delta mag (ΔM) |
0.39 |
|
Spectral class |
A0 (white) |
|
Pri motion ra |
-001 |
|
Sec motion ra |
-001 |
|
Pri motion dec |
-007 |
|
Sec motion dec |
-007 |
|
Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cygnus |
|
Tycho2 |
3190-02228-1 |
|
Gaia DR2 |
1967259127983006208 |
|