21185+5505 ES 2707
21h 18m 30.31s +55° 05' 07.4" P.A. 348.00 sep 10.3 mag 8.68,12.70 Sp A2
Coord 2000 |
21185+5505 |
|
Discov num |
ES 2707 |
|
Comp |
|
|
Coord arcsec 2000 |
21 18 30.31 +55 05 07.4 |
|
Date first |
1910 |
|
Date last |
2015 |
|
Obs |
9 |
|
Pa first |
338 |
|
Pa last |
348.3 |
|
P.A. Now (θ) |
348.3° |
|
Sep first |
9.0 |
|
Sep last |
10.322 |
|
Sep. Now (ρ) |
10.322" |
|
Mag pri |
8.68 |
|
Mag sec |
12.70 |
|
delta mag (ΔM) |
4.02 |
|
Spectral class |
A2 (white) |
|
Pri motion ra |
-012 |
|
Sec motion ra |
|
|
Pri motion dec |
-020 |
|
Sec motion dec |
|
|
Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cygnus |
|
SAO |
33304 |
|
Tycho2 |
3957-00612-1 |
|
Gaia DR2 |
2176974787547344128 |
|
HD |
203168 |
|