21309+7020 CSR 2 AB
21h 30m 52.00s +70° 20' 17.4" P.A. 69.00 sep 12.4 mag 10.70,11.04
| Coord 2000 |
21309+7020 |
|
Discov num |
CSR 2 |
|
Comp |
AB |
|
Coord arcsec 2000 |
21 30 52.00 +70 20 17.4 |
|
| Date first |
1894 |
|
Date last |
2015 |
|
Obs |
11 |
|
| Pa first |
71 |
|
Pa last |
68.6 |
|
P.A. Now (θ) |
68.6° |
|
| Sep first |
12.4 |
|
Sep last |
12.37 |
|
Sep. Now (ρ) |
12.37" |
|
| Mag pri |
10.70 |
|
Mag sec |
11.04 |
|
delta mag (ΔM) |
0.34 |
|
Spectral class |
|
|
| Pri motion ra |
-004 |
|
Sec motion ra |
-008 |
|
| Pri motion dec |
-006 |
|
Sec motion dec |
-007 |
|
| Notes |
U
(Proper motion indicates non-physical) |
|
rPM=0.388
This double is not physical.
21309+7020 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
21 30 52 +70 20 17 |
CSR 2 AB |
2015 |
11 |
69 |
12.4 |
10.70 |
11.04 |
0.34 |
|
<=== |
| Show |
|
|
21 30 54 +70 20 22 |
BKO 773 BC |
2015 |
7 |
321 |
10.2 |
11.00 |
13.50 |
2.50 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cepheus |
|
Tycho2 |
4465-01049-1 |
|
Gaia DR2 |
2272131024932423680 |
|
