21206+4215 LDS 2511 AB
21h 20m 36.86s +42° 14' 54.2" P.A. 40.00 sep 3.0 mag 9.47,9.70 Sp F5
| Coord 2000 |
21206+4215 |
|
Discov num |
LDS2511 |
|
Comp |
AB |
|
Coord arcsec 2000 |
21 20 36.86 +42 14 54.2 |
|
| Date first |
1954 |
|
Date last |
1954 |
|
Obs |
1 |
|
| Pa first |
40 |
|
Pa last |
40 |
|
P.A. Now (θ) |
40° |
|
| Sep first |
3.0 |
|
Sep last |
3 |
|
Sep. Now (ρ) |
3" |
|
| Mag pri |
9.47 |
|
Mag sec |
9.70 |
|
delta mag (ΔM) |
0.23 |
|
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 |
|
|
21 20 37 +42 14 54 |
LDS 2511 AB |
1954 |
1 |
40 |
3.0 |
9.47 |
9.70 |
0.23 |
|
<=== |
| Show |
|
|
21 20 37 +42 14 54 |
LDS 2511 AC |
2015 |
3 |
197 |
19.7 |
9.47 |
16.60 |
7.13 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
3190-00437-1 |
|
Gaia DR2 |
1968897808327498752 |
|
