21191+6152 ES 137 BC
21h 19m 13.50s +61° 51' 43.0" P.A. 71.00 sep 3.0 mag 10.30,13.00 Sp B8
| Coord 2000 |
21191+6152 |
|
Discov num |
ES 137 |
|
Comp |
BC |
|
Coord arcsec 2000 |
21 19 13.50 +61 51 43.0 |
|
| Date first |
1902 |
|
Date last |
2015 |
|
Obs |
5 |
|
| Pa first |
75 |
|
Pa last |
70.7 |
|
P.A. Now (θ) |
70.7° |
|
| Sep first |
2.7 |
|
Sep last |
3.049 |
|
Sep. Now (ρ) |
3.049" |
|
| Mag pri |
10.30 |
|
Mag sec |
13.00 |
|
delta mag (ΔM) |
2.7 |
|
Spectral class |
B8 (blue-white) |
|
| Pri motion ra |
+001 |
|
Sec motion ra |
|
|
| Pri motion dec |
-017 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
21191+6152 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
19309 |
21 19 07 +61 51 30 |
HDS 3035 Aa,Ab |
2010 |
5 |
300 |
0.3 |
6.86 |
9.12 |
2.26 |
|
|
| Show |
HD 203374 |
19309 |
21 19 07 +61 51 30 |
ES 137 AB |
2015 |
13 |
74 |
45.6 |
6.70 |
10.30 |
3.60 |
|
|
| Show |
|
|
21 19 14 +61 51 43 |
ES 137 BC |
2015 |
5 |
71 |
3.0 |
10.30 |
13.00 |
2.70 |
|
<=== |
Quadruple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cepheus |
|
Gaia DR2 |
2192829573417673600 |
|
