17375+2036 GAU 21 AB (HD 160137)
17h 37m 29.59s +20° 35' 46.0" P.A. 4.00 sep 16.0 mag 7.70,12.00 Sp F2IV dist. 82.99 pc (270.71 l.y.)
| Coord 2000 |
17375+2036 |
|
Discov num |
GAU 21 |
|
Comp |
AB |
|
Coord arcsec 2000 |
17 37 29.59 +20 35 46.0 |
|
| Date first |
1922 |
|
Date last |
2010 |
|
Obs |
2 |
|
| Pa first |
12 |
|
Pa last |
4 |
|
P.A. Now (θ) |
4° |
|
| Sep first |
19.6 |
|
Sep last |
16 |
|
Sep. Now (ρ) |
16" |
|
| Mag pri |
7.70 |
|
Mag sec |
12.00 |
|
delta mag (ΔM) |
4.3 |
|
Spectral class |
F2IV (yellow-white) |
|
| Pri motion ra |
-018 |
|
Sec motion ra |
|
|
| Pri motion dec |
-026 |
|
Sec motion dec |
|
|
| Notes |
N
W
(See Notes, ) |
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 160137 |
|
Constellation |
Hercules |
|
SAO |
85261 |
|
HIP |
86252 |
|
| Tycho2 |
1559-00413-1 |
|
HD |
160137 |
|
GC |
23896 |
|
BD |
BD+20 3531 |
|
| Distance |
82.99 |
|
Distance ly |
270.71 |
|
