21118+5959 STF 2780 AC
21h 11m 48.24s +59° 59' 11.8" P.A. 211.00 sep 118.8 mag 6.09,8.90 Sp B0II
Coord 2000 |
21118+5959 |
|
Discov num |
STF2780 |
|
Comp |
AC |
|
Coord arcsec 2000 |
21 11 48.24 +59 59 11.8 |
|
Date first |
1878 |
|
Date last |
2017 |
|
Obs |
18 |
|
Pa first |
212 |
|
Pa last |
211.2 |
|
P.A. Now (θ) |
211.2° |
|
Sep first |
119.9 |
|
Sep last |
118.804 |
|
Sep. Now (ρ) |
118.804" |
|
Mag pri |
6.09 |
|
Mag sec |
8.90 |
|
delta mag (ΔM) |
2.81 |
|
Spectral class |
B0II (blue-white) |
|
Pri motion ra |
-003 |
|
Sec motion ra |
-004 |
|
Pri motion dec |
-004 |
|
Sec motion dec |
-005 |
|
Notes |
N
(See Notes) |
|
rPM=0.221 (< 0.3, Physical double)
This double is physical.
21118+5959 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
33210 |
21 11 48 +59 59 12 |
MCA 67 Aa,Ab |
2005 |
23 |
305 |
0.0 |
6.50 |
7.10 |
0.60 |
Y |
|
Show |
NSV13598 |
33210 |
21 11 48 +59 59 12 |
STF 2780 AB |
2019 |
127 |
211 |
1.0 |
6.09 |
6.77 |
0.68 |
|
|
Show |
|
33210 |
21 11 48 +59 59 12 |
STF 2780 AC |
2017 |
18 |
211 |
118.8 |
6.09 |
8.90 |
2.81 |
|
<=== |
Show |
|
33210 |
21 11 48 +59 59 12 |
WAL 137 AB,D |
2003 |
3 |
260 |
96.3 |
5.72 |
14.20 |
8.48 |
|
|
Show |
|
33210 |
21 11 48 +59 59 12 |
WAL 137 AB,E |
2017 |
12 |
46 |
61.5 |
6.09 |
10.30 |
4.21 |
|
|
Septuple system
6 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Var name |
NSV13598 |
|
Constellation |
Cepheus |
|
SAO |
33210 |
|
Tycho2 |
3965-00880-1 |
|
Gaia DR2 |
2192287033139966848 |
|
HD |
239600 |
|
HR |
8119 |
|
ADS |
14749 |
|