21251+0923 STF 2793 AB,C (HD 203943)
21h 25m 05.66s +09° 23' 02.6" P.A. 241.00 sep 26.4 mag 7.44,8.98 Sp A5IV-V dist. 86.73 pc (282.91 l.y.)
| Coord 2000 |
21251+0923 |
|
Discov num |
STF2793 |
|
Comp |
AB,C |
|
Coord arcsec 2000 |
21 25 05.66 +09 23 02.6 |
|
| Date first |
1828 |
|
Date last |
2014 |
|
Obs |
59 |
|
| Pa first |
242 |
|
Pa last |
241.4 |
|
P.A. Now (θ) |
241.4° |
|
| Sep first |
26.5 |
|
Sep last |
26.4 |
|
Sep. Now (ρ) |
26.4" |
|
| Mag pri |
7.44 |
|
Mag sec |
8.98 |
|
delta mag (ΔM) |
1.54 |
|
Spectral class |
A5IV-V (white) |
|
| Pri motion ra |
+022 |
|
Sec motion ra |
+024 |
|
| Pri motion dec |
+005 |
|
Sec motion dec |
+006 |
|
| Notes |
N
V
(See Notes, Proper motion indicates physical) |
|
rPM=0.09 (< 0.3, Physical double)
This double is physical.
21251+0923 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
126783 |
21 25 06 +09 23 03 |
BU 164 AB |
2021 |
72 |
93 |
0.1 |
8.17 |
8.30 |
0.13 |
Y |
|
| Show |
HD 203943 |
126783 |
21 25 06 +09 23 03 |
STF 2793 AB,C |
2014 |
59 |
241 |
26.4 |
7.44 |
8.98 |
1.54 |
|
<=== |
Triple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 203943 |
|
Constellation |
Equuleus |
|
SAO |
126783 |
|
HIP |
105743 |
|
| Tycho2 |
1110-02259-1 |
|
Gaia DR2 |
1742076603985458304 |
|
HD |
203943 |
|
BD |
BD+08 4670 |
|
| Distance |
86.73 |
|
Distance ly |
282.91 |
|
