21254+1121 A 887 AC (HD 204011)
21h 25m 26.92s +11° 20' 45.7" P.A. 322.00 sep 12.3 mag 8.29,11.70 Sp F8 dist. 238.66 pc (778.51 l.y.)
| Coord 2000 |
21254+1121 |
|
Discov num |
A 887 |
|
Comp |
AC |
|
Coord arcsec 2000 |
21 25 26.92 +11 20 45.7 |
|
| Date first |
1930 |
|
Date last |
2014 |
|
Obs |
7 |
|
| Pa first |
312 |
|
Pa last |
322 |
|
P.A. Now (θ) |
322° |
|
| Sep first |
10.5 |
|
Sep last |
12.27 |
|
Sep. Now (ρ) |
12.27" |
|
| Mag pri |
8.29 |
|
Mag sec |
11.70 |
|
delta mag (ΔM) |
3.41 |
|
Spectral class |
F8 (yellow-white) |
|
| Pri motion ra |
-001 |
|
Sec motion ra |
|
|
| Pri motion dec |
-021 |
|
Sec motion dec |
|
|
| Notes |
N
(See Notes) |
|
Nature of this double is uncertain.
21254+1121 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
107122 |
21 25 27 +11 20 46 |
A 887 AB |
2021 |
18 |
213 |
0.1 |
8.29 |
9.70 |
1.41 |
|
|
| Show |
HD 204011 |
107122 |
21 25 27 +11 20 46 |
A 887 AC |
2014 |
7 |
322 |
12.3 |
8.29 |
11.70 |
3.41 |
|
<=== |
| Show |
|
107122 |
21 25 27 +11 20 46 |
FYM 330 AD |
2015 |
6 |
79 |
22.9 |
8.29 |
14.90 |
6.61 |
|
|
| Show |
|
107122 |
21 25 27 +11 20 46 |
FYM 330 AE |
2015 |
3 |
61 |
16.2 |
8.29 |
15.80 |
7.51 |
|
|
Quintuple system
5 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 204011 |
|
Constellation |
Equuleus |
|
SAO |
107122 |
|
HIP |
105784 |
|
| Tycho2 |
1114-00283-1 |
|
Gaia DR2 |
1745424994849097472 |
|
HD |
204011 |
|
BD |
BD+10 4542 |
|
| Distance |
238.66 |
|
Distance ly |
778.51 |
|
