17455+3554 HDS 2509 (HD 161712)
17h 45m 28.47s +35° 53' 35.9" P.A. 75.00 sep 0.5 mag 8.12,12.22 Sp A5 dist. 108.23 pc (353.05 l.y.)
| Coord 2000 |
17455+3554 |
|
Discov num |
HDS2509 |
|
Comp |
|
|
Coord arcsec 2000 |
17 45 28.47 +35 53 35.9 |
|
| Date first |
1991 |
|
Date last |
2016 |
|
Obs |
9 |
|
| Pa first |
77 |
|
Pa last |
74.9 |
|
P.A. Now (θ) |
74.9° |
|
| Sep first |
0.7 |
|
Sep last |
0.548 |
|
Sep. Now (ρ) |
0.548" |
|
| Mag pri |
8.12 |
|
Mag sec |
12.22 |
|
delta mag (ΔM) |
4.1 |
|
Spectral class |
A5 (white) |
|
| Pri motion ra |
+014 |
|
Sec motion ra |
|
|
| Pri motion dec |
+008 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 161712 |
|
Constellation |
Hercules |
|
SAO |
66309 |
|
HIP |
86908 |
|
| Tycho2 |
2619-01134-1 |
|
Gaia DR2 |
4608560557843809920 |
|
HD |
161712 |
|
BD |
BD+35 3062 |
|
| Distance |
108.23 |
|
Distance ly |
353.05 |
|
