21206+4215 LDS 2511 Aa,Ab
21h 20m 36.86s +42° 14' 54.2" P.A. 45.00 sep 0.3 mag 9.47, Sp F5
| Coord 2000 |
21206+4215 |
|
Discov num |
LDS2511 |
|
Comp |
Aa,Ab |
|
Coord arcsec 2000 |
21 20 36.86 +42 14 54.2 |
|
| Date first |
2015 |
|
Date last |
2015 |
|
Obs |
2 |
|
| Pa first |
44 |
|
Pa last |
45.2 |
|
P.A. Now (θ) |
45.2° |
|
| Sep first |
0.3 |
|
Sep last |
0.294 |
|
Sep. Now (ρ) |
0.294" |
|
| Mag pri |
9.47 |
|
Mag sec |
|
|
delta mag (ΔM) |
|
|
Spectral class |
F5 (yellow-white) |
|
| Pri motion ra |
-016 |
|
Sec motion ra |
|
|
| Pri motion dec |
-027 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
21206+4215 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
50734 |
21 20 37 +42 14 54 |
LDS 2511 Aa,Ab |
2015 |
2 |
45 |
0.3 |
9.47 |
|
|
|
<=== |
| Show |
|
50734 |
21 20 37 +42 14 54 |
LDS 2511 AB |
1954 |
1 |
40 |
3.0 |
9.47 |
9.70 |
0.23 |
|
|
| Show |
|
50734 |
21 20 37 +42 14 54 |
LDS 2511 AC |
2015 |
3 |
197 |
19.7 |
9.47 |
16.60 |
7.13 |
|
|
Quadruple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
SAO |
50734 |
|
