21555+5232 ABH 154 AB,F
21h 55m 31.59s +52° 31' 40.7" P.A. 104.00 sep 57.5 mag 7.79,12.42 Sp F2V dist. 252.53 pc (823.75 l.y.)
Coord 2000 |
21555+5232 |
|
Discov num |
ABH 154 |
|
Comp |
AB,F |
|
Coord arcsec 2000 |
21 55 31.59 +52 31 40.7 |
|
Date first |
1987 |
|
Date last |
2003 |
|
Obs |
3 |
|
Pa first |
104 |
|
Pa last |
103.9 |
|
P.A. Now (θ) |
103.9° |
|
Sep first |
57.8 |
|
Sep last |
57.458 |
|
Sep. Now (ρ) |
57.458" |
|
Mag pri |
7.79 |
|
Mag sec |
12.42 |
|
delta mag (ΔM) |
4.63 |
|
Spectral class |
F2V (yellow-white) |
|
Pri motion ra |
-005 |
|
Sec motion ra |
+000 |
|
Pri motion dec |
-009 |
|
Sec motion dec |
+000 |
|
Notes |
U
(Proper motion indicates non-physical) |
|
rPM=1
This double is not physical.
21555+5232 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
|
21 55 32 +52 31 41 |
STT 456 AB |
2019 |
79 |
38 |
1.6 |
8.25 |
8.93 |
0.68 |
|
|
Show |
|
|
21 55 32 +52 31 41 |
STT 456 AC |
2016 |
17 |
291 |
26.1 |
8.25 |
10.55 |
2.30 |
|
|
Show |
|
|
21 55 32 +52 31 41 |
STT 456 AD |
2016 |
16 |
185 |
25.2 |
8.25 |
10.96 |
2.71 |
|
|
Show |
HD 208546 |
|
21 55 32 +52 31 41 |
ABH 154 AB,E |
2003 |
5 |
18 |
54.6 |
7.79 |
12.24 |
4.45 |
|
|
Show |
|
|
21 55 32 +52 31 41 |
ABH 154 AB,F |
2003 |
3 |
104 |
57.5 |
7.79 |
12.42 |
4.63 |
|
<=== |
Show |
|
|
21 55 32 +52 31 41 |
ABH 154 AB,G |
2010 |
11 |
107 |
111.6 |
7.79 |
9.52 |
1.73 |
|
|
Show |
|
|
21 55 32 +52 31 41 |
ABH 154 AB,H |
2003 |
3 |
183 |
59.1 |
7.79 |
13.73 |
5.94 |
|
|
Show |
|
|
21 55 32 +52 31 41 |
ABH 154 AB,I |
2003 |
3 |
256 |
101.0 |
7.79 |
13.53 |
5.74 |
|
|
Show |
|
|
21 55 32 +52 31 41 |
ABH 154 AB,J |
2003 |
3 |
46 |
80.4 |
7.79 |
13.68 |
5.89 |
|
|
Show |
|
|
21 55 32 +52 31 41 |
ABH 154 AB,K |
2000 |
2 |
124 |
72.3 |
7.79 |
14.30 |
6.51 |
|
|
Show |
|
|
21 55 32 +52 31 41 |
ABH 154 AB,L |
2003 |
3 |
118 |
75.7 |
7.79 |
13.90 |
6.11 |
|
|
Show |
|
|
21 55 29 +52 31 50 |
STT 456 CD |
2015 |
27 |
148 |
40.8 |
10.55 |
10.96 |
0.41 |
|
|
12-fold system
13 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cygnus |
|
HIP |
108230 |
|
Tycho2 |
3968-01329-1 |
|
Gaia DR2 |
1981338477465784960 |
|
HD |
208546 |
|
BD |
BD+51 3187 |
|
Distance |
252.53 |
|
Distance ly |
823.75 |
|