21117+3621 SEI 1439 AB
21h 11m 45.09s +36° 20' 20.0" P.A. 195.00 sep 26.6 mag 11.45,12.20
| Coord 2000 |
21117+3621 |
|
Discov num |
SEI1439 |
|
Comp |
AB |
|
Coord arcsec 2000 |
21 11 45.09 +36 20 20.0 |
|
| Date first |
1896 |
|
Date last |
2015 |
|
Obs |
8 |
|
| Pa first |
194 |
|
Pa last |
195.3 |
|
P.A. Now (θ) |
195.3° |
|
| Sep first |
24.9 |
|
Sep last |
26.597 |
|
Sep. Now (ρ) |
26.597" |
|
| Mag pri |
11.45 |
|
Mag sec |
12.20 |
|
delta mag (ΔM) |
0.75 |
|
Spectral class |
|
|
| Pri motion ra |
+003 |
|
Sec motion ra |
-013 |
|
| Pri motion dec |
-004 |
|
Sec motion dec |
-012 |
|
| Notes |
N
(See Notes) |
|
rPM=1.011
This double is not physical.
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 |
|
Tycho2 |
2714-00886-1 |
|
Gaia DR2 |
1868485183794203392 |
|
