21305+3701 SEI 1521 AB
21h 30m 26.38s +37° 01' 45.1" P.A. 226.00 sep 2.9 mag 10.00,10.20
| Coord 2000 |
21305+3701 |
|
Discov num |
SEI1521 |
|
Comp |
AB |
|
Coord arcsec 2000 |
21 30 26.38 +37 01 45.1 |
|
| Date first |
1895 |
|
Date last |
2015 |
|
Obs |
13 |
|
| Pa first |
226 |
|
Pa last |
226.1 |
|
P.A. Now (θ) |
226.1° |
|
| Sep first |
2.6 |
|
Sep last |
2.9 |
|
Sep. Now (ρ) |
2.9" |
|
| Mag pri |
10.00 |
|
Mag sec |
10.20 |
|
delta mag (ΔM) |
0.2 |
|
Spectral class |
|
|
| Pri motion ra |
+006 |
|
Sec motion ra |
|
|
| Pri motion dec |
+006 |
|
Sec motion dec |
|
|
| Notes |
N
(See Notes) |
|
Nature of this double is uncertain.
21305+3701 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
21 30 26 +37 01 45 |
GII 102 Aa,Ab |
2015 |
5 |
302 |
0.4 |
10.10 |
12.20 |
2.10 |
|
|
| Show |
|
|
21 30 26 +37 01 45 |
SEI 1521 AB |
2015 |
13 |
226 |
2.9 |
10.00 |
10.20 |
0.20 |
|
<=== |
Triple system
2 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Gaia DR2 |
1952061746980317056 |
|
