17518+2814 STF 2239
17h 51m 45.34s +28° 14' 16.3" P.A. 319.00 sep 2.4 mag 9.55,10.00 Sp F8 dist. 178.25 pc (581.45 l.y.)
Coord 2000 |
17518+2814 |
|
Discov num |
STF2239 |
|
Comp |
|
|
Coord arcsec 2000 |
17 51 45.34 +28 14 16.3 |
|
Date first |
1830 |
|
Date last |
2019 |
|
Obs |
29 |
|
Pa first |
318 |
|
Pa last |
318.9 |
|
P.A. Now (θ) |
318.9° |
|
Sep first |
2.2 |
|
Sep last |
2.42 |
|
Sep. Now (ρ) |
2.42" |
|
Mag pri |
9.55 |
|
Mag sec |
10.00 |
|
delta mag (ΔM) |
0.45 |
|
Spectral class |
F8 (yellow-white) |
|
Pri motion ra |
+020 |
|
Sec motion ra |
+020 |
|
Pri motion dec |
-021 |
|
Sec motion dec |
-021 |
|
Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Hercules |
|
HIP |
87407 |
|
Tycho2 |
2102-00434-1 |
|
Gaia DR2 |
4596071823739873920 |
|
BD |
BD+28 2852 |
|
Distance |
178.25 |
|
Distance ly |
581.45 |
|