21348+3016 ES 380 AB
21h 34m 47.40s +30° 16' 22.7" P.A. 49.00 sep 16.2 mag 9.98,15.50 Sp F2
Coord 2000 |
21348+3016 |
|
Discov num |
ES 380 |
|
Comp |
AB |
|
Coord arcsec 2000 |
21 34 47.40 +30 16 22.7 |
|
Date first |
1906 |
|
Date last |
2015 |
|
Obs |
8 |
|
Pa first |
52 |
|
Pa last |
49.4 |
|
P.A. Now (θ) |
49.4° |
|
Sep first |
13.9 |
|
Sep last |
16.167 |
|
Sep. Now (ρ) |
16.167" |
|
Mag pri |
9.98 |
|
Mag sec |
15.50 |
|
delta mag (ΔM) |
5.52 |
|
Spectral class |
F2 (yellow-white) |
|
Pri motion ra |
-014 |
|
Sec motion ra |
|
|
Pri motion dec |
-012 |
|
Sec motion dec |
|
|
Notes |
|
|
Nature of this double is uncertain.
21348+3016 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
|
21 34 47 +30 16 23 |
ES 380 AB |
2015 |
8 |
49 |
16.2 |
9.98 |
15.50 |
5.52 |
|
<=== |
Show |
|
|
21 34 47 +30 16 23 |
ES 380 AC |
2015 |
9 |
106 |
61.5 |
9.98 |
11.45 |
1.47 |
|
|
Show |
|
|
21 34 52 +30 16 06 |
ES 380 CD |
2015 |
7 |
312 |
2.9 |
11.41 |
12.09 |
0.68 |
|
|
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cygnus |
|
Tycho2 |
2704-00606-1 |
|
Gaia DR2 |
1850427496310405760 |
|