21012+4609 CIA 21 Aa,Ab
21h 01m 10.93s +46° 09' 20.8" P.A. 30.00 sep 0.0 mag 6.70,6.70 Sp B1V+sdO dist. 467.29 pc (1524.3 l.y.)
| Coord 2000 |
21012+4609 |
|
Discov num |
CIA 21 |
|
Comp |
Aa,Ab |
|
Coord arcsec 2000 |
21 01 10.93 +46 09 20.8 |
|
| Date first |
2021 |
|
Date last |
2021 |
|
Obs |
5 |
|
| Pa first |
188 |
|
Pa last |
29.9 |
|
P.A. Now (θ) |
29.9° |
|
| Sep first |
0.0 |
|
Sep last |
0.001 |
|
Sep. Now (ρ) |
0.001" |
|
| Mag pri |
6.70 |
|
Mag sec |
6.70 |
|
delta mag (ΔM) |
0 |
|
Spectral class |
B1V+sdO (blue-white) |
|
| Pri motion ra |
+008 |
|
Sec motion ra |
|
|
| Pri motion dec |
+002 |
|
Sec motion dec |
|
|
| Notes |
N
K
(See Notes, K-band or other infrared magnitudes) |
|
Visually invisible, K-band or other infrared star : Summary line gives K-band or other infrared (>1 micron) magnitudes
Nature of this double is uncertain.
21012+4609 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
50359 |
21 01 11 +46 09 21 |
CIA 21 Aa,Ab |
2021 |
5 |
30 |
0.0 |
6.70 |
6.70 |
0.00 |
|
<=== |
| Show |
60 Cyg |
50359 |
21 01 11 +46 09 21 |
STT 426 AB |
2017 |
20 |
159 |
2.9 |
5.40 |
9.53 |
4.13 |
|
|
Triple system
2 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Var name |
V1931 Cyg |
|
Constellation |
Cygnus |
|
SAO |
50359 |
|
HIP |
103732 |
|
| Tycho2 |
3588-12112-1 |
|
HD |
200310 |
|
HR |
8053 |
|
GC |
29354 |
|
| ADS |
14549 |
|
BD |
BD+45 3364 |
|
Flamsteed |
60 Cygni |
|
Flamsteed name |
60 Cyg |
|
| Distance |
467.29 |
|
Distance ly |
1524.3 |
|
