17377+3017 HDS 2490
17h 37m 44.76s +30° 16' 39.8" P.A. 164.00 sep 0.2 mag 10.75,10.80 Sp F2 dist. 261.78 pc (853.93 l.y.)
| Coord 2000 |
17377+3017 |
|
Discov num |
HDS2490 |
|
Comp |
|
|
Coord arcsec 2000 |
17 37 44.76 +30 16 39.8 |
|
| Date first |
1991 |
|
Date last |
2014 |
|
Obs |
4 |
|
| Pa first |
172 |
|
Pa last |
163.6 |
|
P.A. Now (θ) |
163.6° |
|
| Sep first |
0.2 |
|
Sep last |
0.212 |
|
Sep. Now (ρ) |
0.212" |
|
| Mag pri |
10.75 |
|
Mag sec |
10.80 |
|
delta mag (ΔM) |
0.05 |
|
Spectral class |
F2 (yellow-white) |
|
| Pri motion ra |
+002 |
|
Sec motion ra |
|
|
| Pri motion dec |
-014 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Hercules |
|
HIP |
86277 |
|
Tycho2 |
2606-00917-1 |
|
Gaia DR2 |
4600434617156171136 |
|
| BD |
BD+30 3034 |
|
Distance |
261.78 |
|
Distance ly |
853.93 |
|
