17554+3930 STF 2246
17h 55m 25.08s +39° 29' 53.5" P.A. 100.00 sep 5.5 mag 9.36,10.02 Sp G0 dist. 117.79 pc (384.23 l.y.)
Coord 2000 |
17554+3930 |
|
Discov num |
STF2246 |
|
Comp |
|
|
Coord arcsec 2000 |
17 55 25.08 +39 29 53.5 |
|
Date first |
1831 |
|
Date last |
2018 |
|
Obs |
42 |
|
Pa first |
103 |
|
Pa last |
99.5 |
|
P.A. Now (θ) |
99.5° |
|
Sep first |
5.5 |
|
Sep last |
5.532 |
|
Sep. Now (ρ) |
5.532" |
|
Mag pri |
9.36 |
|
Mag sec |
10.02 |
|
delta mag (ΔM) |
0.66 |
|
Spectral class |
G0 (yellow) |
|
Pri motion ra |
-012 |
|
Sec motion ra |
-005 |
|
Pri motion dec |
-009 |
|
Sec motion dec |
-008 |
|
Notes |
|
|
rPM=0.471
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Hercules |
|
HIP |
87748 |
|
Tycho2 |
3093-01541-1 |
|
Gaia DR2 |
4611039269369259264 |
|
BD |
BD+39 3269 |
|
Distance |
117.79 |
|
Distance ly |
384.23 |
|