21117+3621 TOB 213 BC
21h 11m 44.53s +36° 19' 54.6" P.A. 171.00 sep 16.5 mag 12.20,12.10
| Coord 2000 |
21117+3621 |
|
Discov num |
TOB 213 |
|
Comp |
BC |
|
Coord arcsec 2000 |
21 11 44.53 +36 19 54.6 |
|
| Date first |
1983 |
|
Date last |
2015 |
|
Obs |
7 |
|
| Pa first |
169 |
|
Pa last |
171.4 |
|
P.A. Now (θ) |
171.4° |
|
| Sep first |
16.1 |
|
Sep last |
16.491 |
|
Sep. Now (ρ) |
16.491" |
|
| Mag pri |
12.20 |
|
Mag sec |
12.10 |
|
delta mag (ΔM) |
0.1 |
|
Spectral class |
|
|
| Pri motion ra |
-013 |
|
Sec motion ra |
-016 |
|
| Pri motion dec |
-012 |
|
Sec motion dec |
-020 |
|
| Notes |
N
(See Notes) |
|
rPM=0.334
Nature of this double is uncertain.
21117+3621 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
21 11 45 +36 20 20 |
SEI 1439 AB |
2015 |
8 |
195 |
26.6 |
11.45 |
12.20 |
0.75 |
|
|
| Show |
|
|
21 11 45 +36 19 55 |
TOB 213 BC |
2015 |
7 |
171 |
16.5 |
12.20 |
12.10 |
0.10 |
|
<=== |
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Gaia DR2 |
1868485080714988672 |
|
