21273+4315 HJ 1646 (HD 204402)
21h 27m 00.86s +43° 13' 50.9" P.A. 115.00 sep 23.1 mag 7.63,11.10 Sp A1V dist. 173.31 pc (565.34 l.y.)
| Coord 2000 |
21273+4315 |
|
Discov num |
HJ 1646 |
|
Comp |
|
|
Coord arcsec 2000 |
21 27 00.86 +43 13 50.9 |
|
| Date first |
1895 |
|
Date last |
2014 |
|
Obs |
11 |
|
| Pa first |
119 |
|
Pa last |
114.5 |
|
P.A. Now (θ) |
114.5° |
|
| Sep first |
21.7 |
|
Sep last |
23.068 |
|
Sep. Now (ρ) |
23.068" |
|
| Mag pri |
7.63 |
|
Mag sec |
11.10 |
|
delta mag (ΔM) |
3.47 |
|
Spectral class |
A1V (white) |
|
| Pri motion ra |
-023 |
|
Sec motion ra |
-003 |
|
| Pri motion dec |
-014 |
|
Sec motion dec |
-006 |
|
| Notes |
U
(Proper motion indicates non-physical) |
|
rPM=0.8
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 204402 |
|
Constellation |
Cygnus |
|
SAO |
50868 |
|
HIP |
105909 |
|
| Tycho2 |
3194-02959-1 |
|
Gaia DR2 |
1970506707380091264 |
|
HD |
204402 |
|
BD |
BD+42 4101 |
|
| Distance |
173.31 |
|
Distance ly |
565.34 |
|
