21182+3035 POP 228 AC
21h 18m 10.88s +30° 35' 21.6" P.A. 139.00 sep 9.0 mag 8.13,13.60 Sp A5V dist. 251.89 pc (821.67 l.y.)
Coord 2000 |
21182+3035 |
|
Discov num |
POP 228 |
|
Comp |
AC |
|
Coord arcsec 2000 |
21 18 10.88 +30 35 21.6 |
|
Date first |
1998 |
|
Date last |
2015 |
|
Obs |
4 |
|
Pa first |
139 |
|
Pa last |
138.5 |
|
P.A. Now (θ) |
138.5° |
|
Sep first |
9.0 |
|
Sep last |
8.989 |
|
Sep. Now (ρ) |
8.989" |
|
Mag pri |
8.13 |
|
Mag sec |
13.60 |
|
delta mag (ΔM) |
5.47 |
|
Spectral class |
A5V (white) |
|
Pri motion ra |
+003 |
|
Sec motion ra |
|
|
Pri motion dec |
-003 |
|
Sec motion dec |
|
|
Notes |
N
W
(See Notes, ) |
|
Nature of this double is uncertain.
21182+3035 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
HD 202924 |
71176 |
21 18 11 +30 35 22 |
HO 154 AB |
2016 |
17 |
211 |
3.6 |
8.14 |
11.54 |
3.40 |
|
|
Show |
|
71176 |
21 18 11 +30 35 22 |
POP 228 AC |
2015 |
4 |
139 |
9.0 |
8.13 |
13.60 |
5.47 |
|
<=== |
Show |
|
71176 |
21 18 11 +30 35 22 |
NOV 1 AD |
2015 |
5 |
162 |
21.4 |
8.14 |
15.91 |
7.77 |
|
|
Show |
|
71176 |
21 18 11 +30 35 22 |
POP 228 AN |
2015 |
3 |
262 |
64.2 |
8.14 |
14.50 |
6.36 |
|
|
Show |
|
71176 |
21 18 11 +30 35 22 |
NOV 1 AX |
2015 |
10 |
142 |
186.7 |
8.14 |
10.74 |
2.60 |
|
|
Show |
|
|
21 18 06 +30 35 13 |
POP 228 NK |
2015 |
6 |
64 |
6.5 |
14.50 |
15.00 |
0.50 |
|
|
Show |
|
|
21 18 20 +30 32 54 |
NOV 1 XL |
2015 |
7 |
89 |
32.2 |
10.74 |
15.10 |
4.36 |
|
|
Show |
|
|
21 18 20 +30 32 54 |
NOV 1 XQ |
2015 |
6 |
134 |
29.2 |
10.74 |
17.30 |
6.56 |
|
|
Show |
|
|
21 18 20 +30 32 54 |
NOV 1 XY |
2015 |
8 |
206 |
14.1 |
10.74 |
14.40 |
3.66 |
|
|
Show |
|
|
21 18 20 +30 32 54 |
NOV 1 XZ |
2015 |
5 |
57 |
18.3 |
10.74 |
16.40 |
5.66 |
|
|
11-fold system
11 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cygnus |
|
SAO |
71176 |
|
HIP |
105162 |
|
Tycho2 |
2703-01256-1 |
|
Gaia DR2 |
1852007631960413952 |
|
HD |
202924 |
|
BD |
BD+29 4374 |
|
Distance |
251.89 |
|
Distance ly |
821.67 |
|