21297+4732 A 767 (HD 204811)
21h 29m 39.85s +47° 31' 59.4" P.A. 169.00 sep 1.3 mag 9.17,12.20 Sp A
Coord 2000 |
21297+4732 |
|
Discov num |
A 767 |
|
Comp |
|
|
Coord arcsec 2000 |
21 29 39.85 +47 31 59.4 |
|
Date first |
1904 |
|
Date last |
2017 |
|
Obs |
5 |
|
Pa first |
177 |
|
Pa last |
169.4 |
|
P.A. Now (θ) |
169.4° |
|
Sep first |
1.1 |
|
Sep last |
1.29 |
|
Sep. Now (ρ) |
1.29" |
|
Mag pri |
9.17 |
|
Mag sec |
12.20 |
|
delta mag (ΔM) |
3.03 |
|
Spectral class |
A (white) |
|
Pri motion ra |
-010 |
|
Sec motion ra |
|
|
Pri motion dec |
-026 |
|
Sec motion dec |
|
|
Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 204811 |
|
Constellation |
Cygnus |
|
SAO |
50937 |
|
Tycho2 |
3594-02778-1 |
|
Gaia DR2 |
1978307776734465152 |
|
HD |
204811 |
|