17544+3439 A 1884
17h 54m 24.11s +34° 38' 33.4" P.A. 311.00 sep 2.3 mag 9.36,13.40 Sp F2
| Coord 2000 |
17544+3439 |
|
Discov num |
A 1884 |
|
Comp |
|
|
Coord arcsec 2000 |
17 54 24.11 +34 38 33.4 |
|
| Date first |
1908 |
|
Date last |
2016 |
|
Obs |
9 |
|
| Pa first |
310 |
|
Pa last |
311.2 |
|
P.A. Now (θ) |
311.2° |
|
| Sep first |
1.9 |
|
Sep last |
2.269 |
|
Sep. Now (ρ) |
2.269" |
|
| Mag pri |
9.36 |
|
Mag sec |
13.40 |
|
delta mag (ΔM) |
4.04 |
|
Spectral class |
F2 (yellow-white) |
|
| Pri motion ra |
-004 |
|
Sec motion ra |
|
|
| Pri motion dec |
-001 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Hercules |
|
Tycho2 |
2616-01093-1 |
|
Gaia DR2 |
4607771967488852480 |
|