17422+3804 RAO 20 AB (HD 161163)
17h 42m 13.25s +38° 04' 14.3" P.A. 302.00 sep 2.3 mag 7.36,12.00 Sp G0 dist. 40.44 pc (131.92 l.y.)
| Coord 2000 |
17422+3804 |
|
Discov num |
RAO 20 |
|
Comp |
AB |
|
Coord arcsec 2000 |
17 42 13.25 +38 04 14.3 |
|
| Date first |
2012 |
|
Date last |
2016 |
|
Obs |
4 |
|
| Pa first |
302 |
|
Pa last |
301.9 |
|
P.A. Now (θ) |
301.9° |
|
| Sep first |
2.2 |
|
Sep last |
2.268 |
|
Sep. Now (ρ) |
2.268" |
|
| Mag pri |
7.36 |
|
Mag sec |
12.00 |
|
delta mag (ΔM) |
4.64 |
|
Spectral class |
G0 (yellow) |
|
| Pri motion ra |
-109 |
|
Sec motion ra |
|
|
| Pri motion dec |
+094 |
|
Sec motion dec |
|
|
| Notes |
N
(See Notes) |
|
Nature of this double is uncertain.
17422+3804 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
66273 |
17 42 13 +38 04 14 |
RBR 29 Aa,Ab |
2018 |
4 |
138 |
0.0 |
6.00 |
7.30 |
1.30 |
Y |
|
| Show |
HD 161163 |
|
17 42 13 +38 04 14 |
RAO 20 AB |
2016 |
4 |
302 |
2.3 |
7.36 |
12.00 |
4.64 |
|
<=== |
Triple system
2 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 161163 |
|
Constellation |
Hercules |
|
HIP |
86642 |
|
Tycho2 |
3088-00450-1 |
|
| Gaia DR2 |
1342735149009387136 |
|
HD |
161163 |
|
BD |
BD+38 2984 |
|
Distance |
40.44 |
|
| Distance ly |
131.92 |
|
