21056+6030 A 758 AB,C
21h 05m 34.47s +60° 29' 33.5" P.A. 189.00 sep 8.6 mag 9.45,14.00 Sp A5 dist. 290.7 pc (948.26 l.y.)
| Coord 2000 |
21056+6030 |
|
Discov num |
A 758 |
|
Comp |
AB,C |
|
Coord arcsec 2000 |
21 05 34.47 +60 29 33.5 |
|
| Date first |
1904 |
|
Date last |
2014 |
|
Obs |
8 |
|
| Pa first |
189 |
|
Pa last |
189.4 |
|
P.A. Now (θ) |
189.4° |
|
| Sep first |
9.0 |
|
Sep last |
8.628 |
|
Sep. Now (ρ) |
8.628" |
|
| Mag pri |
9.45 |
|
Mag sec |
14.00 |
|
delta mag (ΔM) |
4.55 |
|
Spectral class |
A5 (white) |
|
| Pri motion ra |
+005 |
|
Sec motion ra |
|
|
| Pri motion dec |
+005 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
21056+6030 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 239570 |
19186 |
21 05 34 +60 29 34 |
A 758 AB |
2008 |
17 |
124 |
0.4 |
9.89 |
10.76 |
0.87 |
Y |
|
| Show |
|
19186 |
21 05 34 +60 29 34 |
A 758 AB,C |
2014 |
8 |
189 |
8.6 |
9.45 |
14.00 |
4.55 |
|
<=== |
Triple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cepheus |
|
SAO |
19186 |
|
HIP |
104113 |
|
Tycho2 |
4247-01298-1 |
|
| Gaia DR2 |
2192468383843943168 |
|
HD |
239570 |
|
BD |
BD+59 2315 |
|
Distance |
290.7 |
|
| Distance ly |
948.26 |
|
