18454+3634 HDS 2659 (HD 173761)
18h 45m 21.71s +36° 34' 02.1" P.A. 17.00 sep 0.2 mag 7.15,9.52 Sp B9 dist. 210.08 pc (685.28 l.y.)
| Coord 2000 |
18454+3634 |
|
Discov num |
HDS2659 |
|
Comp |
|
|
Coord arcsec 2000 |
18 45 21.71 +36 34 02.1 |
|
| Date first |
1991 |
|
Date last |
2014 |
|
Obs |
5 |
|
| Pa first |
34 |
|
Pa last |
17 |
|
P.A. Now (θ) |
17° |
|
| Sep first |
0.3 |
|
Sep last |
0.199 |
|
Sep. Now (ρ) |
0.199" |
|
| Mag pri |
7.15 |
|
Mag sec |
9.52 |
|
delta mag (ΔM) |
2.37 |
|
Spectral class |
B9 (blue-white) |
|
| Pri motion ra |
-004 |
|
Sec motion ra |
|
|
| Pri motion dec |
+002 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 173761 |
|
Constellation |
Lyra |
|
SAO |
67334 |
|
HIP |
92020 |
|
| Tycho2 |
2650-00607-1 |
|
Gaia DR2 |
2096533795298529408 |
|
HD |
173761 |
|
GC |
25703 |
|
| BD |
BD+36 3256 |
|
Distance |
210.08 |
|
Distance ly |
685.28 |
|
