21506+4908 ES 826
21h 50m 34.72s +49° 07' 36.9" P.A. 129.00 sep 4.0 mag 10.18,13.10 Sp A0
Coord 2000 |
21506+4908 |
|
Discov num |
ES 826 |
|
Comp |
|
|
Coord arcsec 2000 |
21 50 34.72 +49 07 36.9 |
|
Date first |
1909 |
|
Date last |
2015 |
|
Obs |
3 |
|
Pa first |
127 |
|
Pa last |
129.2 |
|
P.A. Now (θ) |
129.2° |
|
Sep first |
3.6 |
|
Sep last |
4.007 |
|
Sep. Now (ρ) |
4.007" |
|
Mag pri |
10.18 |
|
Mag sec |
13.10 |
|
delta mag (ΔM) |
2.92 |
|
Spectral class |
A0 (white) |
|
Pri motion ra |
-011 |
|
Sec motion ra |
|
|
Pri motion dec |
+009 |
|
Sec motion dec |
|
|
Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cygnus |
|
Tycho2 |
3612-01451-1 |
|
Gaia DR2 |
1979434844879540480 |
|