15574+4140 STF 1991 AC
15h 57m 26.92s +41° 39' 42.9" P.A. 87.00 sep 95.0 mag 9.45,8.82 Sp F5+F2 dist. 178.89 pc (583.54 l.y.)
| Coord 2000 |
15574+4140 |
|
Discov num |
STF1991 |
|
Comp |
AC |
|
Coord arcsec 2000 |
15 57 26.92 +41 39 42.9 |
|
| Date first |
1881 |
|
Date last |
2015 |
|
Obs |
15 |
|
| Pa first |
87 |
|
Pa last |
87.3 |
|
P.A. Now (θ) |
87.3° |
|
| Sep first |
94.9 |
|
Sep last |
94.95 |
|
Sep. Now (ρ) |
94.95" |
|
| Mag pri |
9.45 |
|
Mag sec |
8.82 |
|
delta mag (ΔM) |
0.63 |
|
Spectral class |
F5+F2 (yellow-white/yellow-white) |
|
| Pri motion ra |
-025 |
|
Sec motion ra |
-025 |
|
| Pri motion dec |
-007 |
|
Sec motion dec |
-006 |
|
| Notes |
T
(Parallax indicates physical) |
|
rPM=0.039 (< 0.3, Physical double)
This double is physical.
15574+4140 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 143208 |
45802 |
15 57 27 +41 39 43 |
STF 1991 AB |
2019 |
40 |
195 |
3.0 |
9.45 |
10.41 |
0.96 |
|
|
| Show |
|
45802 |
15 57 27 +41 39 43 |
STF 1991 AC |
2015 |
15 |
87 |
95.0 |
9.45 |
8.82 |
0.63 |
|
<=== |
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Hercules |
|
SAO |
45802 |
|
HIP |
78146 |
|
Tycho2 |
3057-01538-1 |
|
| Gaia DR2 |
1383526102686064256 |
|
HD |
143208 |
|
BD |
BD+42 2653 |
|
Distance |
178.89 |
|
| Distance ly |
583.54 |
|
