21234+3115 A 1218 (HD 203748)
21h 23m 24.11s +31° 15' 14.8" P.A. 15.00 sep 4.1 mag 9.40,11.90 Sp A3
Coord 2000 |
21234+3115 |
|
Discov num |
A 1218 |
|
Comp |
|
|
Coord arcsec 2000 |
21 23 24.11 +31 15 14.8 |
|
Date first |
1905 |
|
Date last |
2015 |
|
Obs |
14 |
|
Pa first |
21 |
|
Pa last |
15 |
|
P.A. Now (θ) |
15° |
|
Sep first |
3.4 |
|
Sep last |
4.142 |
|
Sep. Now (ρ) |
4.142" |
|
Mag pri |
9.40 |
|
Mag sec |
11.90 |
|
delta mag (ΔM) |
2.5 |
|
Spectral class |
A3 (white) |
|
Pri motion ra |
+000 |
|
Sec motion ra |
|
|
Pri motion dec |
-018 |
|
Sec motion dec |
|
|
Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 203748 |
|
Constellation |
Cygnus |
|
SAO |
71271 |
|
Tycho2 |
2703-01432-1 |
|
Gaia DR2 |
1853448743806832000 |
|
HD |
203748 |
|