21186+1134 BU 163 AD
21h 18m 34.85s +11° 34' 08.2" P.A. 163.00 sep 44.8 mag 7.31,14.40 Sp G2.7V dist. 47.66 pc (155.47 l.y.)
| Coord 2000 |
21186+1134 |
|
Discov num |
BU 163 |
|
Comp |
AD |
|
Coord arcsec 2000 |
21 18 34.85 +11 34 08.2 |
|
| Date first |
1908 |
|
Date last |
2015 |
|
Obs |
6 |
|
| Pa first |
161 |
|
Pa last |
162.6 |
|
P.A. Now (θ) |
162.6° |
|
| Sep first |
50.2 |
|
Sep last |
44.812 |
|
Sep. Now (ρ) |
44.812" |
|
| Mag pri |
7.31 |
|
Mag sec |
14.40 |
|
delta mag (ΔM) |
7.09 |
|
Spectral class |
G2.7V (yellow) |
|
| Pri motion ra |
+036 |
|
Sec motion ra |
|
|
| Pri motion dec |
-049 |
|
Sec motion dec |
|
|
| Notes |
N
(See Notes) |
|
Nature of this double is uncertain.
21186+1134 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 202908 |
107015 |
21 18 35 +11 34 08 |
BU 163 AB |
2021 |
229 |
257 |
1.0 |
7.31 |
8.88 |
1.57 |
Y |
|
| Show |
|
107015 |
21 18 35 +11 34 08 |
BU 163 AC |
2015 |
6 |
252 |
29.7 |
7.31 |
15.00 |
7.69 |
|
|
| Show |
|
107015 |
21 18 35 +11 34 08 |
BU 163 AD |
2015 |
6 |
163 |
44.8 |
7.31 |
14.40 |
7.09 |
|
<=== |
| Show |
|
107015 |
21 18 35 +11 34 08 |
BU 163 AE |
2015 |
12 |
6 |
87.5 |
7.31 |
12.67 |
5.36 |
|
|
Quintuple system
5 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Equuleus |
|
SAO |
107015 |
|
HIP |
105200 |
|
Tycho2 |
1113-00330-1 |
|
| Gaia DR2 |
1746335802793081344 |
|
HD |
202908 |
|
BD |
BD+10 4514 |
|
Distance |
47.66 |
|
| Distance ly |
155.47 |
|
