20544+6957 A 1216 CD
20h 54m 20.69s +69° 57' 28.9" P.A. 82.00 sep 0.9 mag 10.61,11.60
Coord 2000 |
20544+6957 |
|
Discov num |
A 1216 |
|
Comp |
CD |
|
Coord arcsec 2000 |
20 54 20.69 +69 57 28.9 |
|
Date first |
1904 |
|
Date last |
2015 |
|
Obs |
6 |
|
Pa first |
92 |
|
Pa last |
82.4 |
|
P.A. Now (θ) |
82.4° |
|
Sep first |
0.8 |
|
Sep last |
0.884 |
|
Sep. Now (ρ) |
0.884" |
|
Mag pri |
10.61 |
|
Mag sec |
11.60 |
|
delta mag (ΔM) |
0.99 |
|
Spectral class |
|
|
Pri motion ra |
-024 |
|
Sec motion ra |
|
|
Pri motion dec |
-017 |
|
Sec motion dec |
|
|
Notes |
|
|
Nature of this double is uncertain.
20544+6957 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
19093 |
20 54 22 +69 56 51 |
A 1216 AB |
2015 |
10 |
327 |
20.1 |
7.97 |
15.00 |
7.03 |
|
|
Show |
HD 199660 |
19093 |
20 54 22 +69 56 51 |
A 1216 AC |
2018 |
15 |
346 |
38.6 |
7.97 |
10.61 |
2.64 |
|
|
Show |
|
|
20 54 21 +69 57 29 |
A 1216 CD |
2015 |
6 |
82 |
0.9 |
10.61 |
11.60 |
0.99 |
|
<=== |
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cepheus |
|
Gaia DR2 |
2271215436689655168 |
|