21305+3701 GII 102 Aa,Ab
21h 30m 26.38s +37° 01' 45.1" P.A. 306.00 sep 0.4 mag 10.10,12.20
| Coord 2000 |
21305+3701 |
|
Discov num |
GII 102 |
|
Comp |
Aa,Ab |
|
Coord arcsec 2000 |
21 30 26.38 +37 01 45.1 |
|
| Date first |
2015 |
|
Date last |
2015 |
|
Obs |
1 |
|
| Pa first |
306 |
|
Pa last |
305.5 |
|
P.A. Now (θ) |
305.5° |
|
| Sep first |
0.4 |
|
Sep last |
0.415 |
|
Sep. Now (ρ) |
0.415" |
|
| Mag pri |
10.10 |
|
Mag sec |
12.20 |
|
delta mag (ΔM) |
2.1 |
|
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 |
1 |
306 |
0.4 |
10.10 |
12.20 |
2.10 |
|
<=== |
| Show |
|
|
21 30 26 +37 01 45 |
SEI 1521 AB |
2015 |
8 |
225 |
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 |
|