21066+3645 SEI 1404 AB
21h 06m 31.68s +36° 44' 32.6" P.A. 308.00 sep 23.9 mag 10.50,10.80
| Coord 2000 |
21066+3645 |
|
Discov num |
SEI1404 |
|
Comp |
AB |
|
Coord arcsec 2000 |
21 06 31.68 +36 44 32.6 |
|
| Date first |
1896 |
|
Date last |
2020 |
|
Obs |
9 |
|
| Pa first |
306 |
|
Pa last |
307.7 |
|
P.A. Now (θ) |
307.7° |
|
| Sep first |
24.1 |
|
Sep last |
23.934 |
|
Sep. Now (ρ) |
23.934" |
|
| Mag pri |
10.50 |
|
Mag sec |
10.80 |
|
delta mag (ΔM) |
0.3 |
|
Spectral class |
|
|
| Pri motion ra |
-011 |
|
Sec motion ra |
-009 |
|
| Pri motion dec |
-012 |
|
Sec motion dec |
-007 |
|
| Notes |
|
|
rPM=0.331
Nature of this double is uncertain.
21066+3645 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
21 06 32 +36 44 33 |
SEI 1404 AB |
2020 |
9 |
308 |
23.9 |
10.50 |
10.80 |
0.30 |
|
<=== |
| Show |
|
|
21 06 30 +36 44 46 |
TOB 209 BC |
2020 |
8 |
322 |
19.0 |
10.80 |
12.50 |
1.70 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Gaia DR2 |
1868405572278172032 |
|
