21235+5031 HLD 44 (HD 203918)
21h 23m 29.29s +50° 31' 24.8" P.A. 258.00 sep 2.1 mag 8.19,11.16 Sp F8 dist. 91.07 pc (297.07 l.y.)
| Coord 2000 |
21235+5031 |
|
Discov num |
HLD 44 |
|
Comp |
|
|
Coord arcsec 2000 |
21 23 29.29 +50 31 24.8 |
|
| Date first |
1881 |
|
Date last |
2016 |
|
Obs |
9 |
|
| Pa first |
272 |
|
Pa last |
257.5 |
|
P.A. Now (θ) |
257.5° |
|
| Sep first |
2.7 |
|
Sep last |
2.116 |
|
Sep. Now (ρ) |
2.116" |
|
| Mag pri |
8.19 |
|
Mag sec |
11.16 |
|
delta mag (ΔM) |
2.97 |
|
Spectral class |
F8 (yellow-white) |
|
| Pri motion ra |
-071 |
|
Sec motion ra |
-073 |
|
| Pri motion dec |
-061 |
|
Sec motion dec |
-064 |
|
| Notes |
|
|
rPM=0.037 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 203918 |
|
Constellation |
Cygnus |
|
SAO |
33380 |
|
HIP |
105617 |
|
| Tycho2 |
3598-00130-1 |
|
Gaia DR2 |
2171908886496893440 |
|
HD |
203918 |
|
ADS |
14941 |
|
| BD |
BD+49 3513 |
|
Distance |
91.07 |
|
Distance ly |
297.07 |
|
