17237+4717 STF 2164 AB (HD 157906)
17h 23m 44.61s +47° 16' 14.3" P.A. 13.00 sep 9.3 mag 8.16,9.81 Sp F8 dist. 84.82 pc (276.68 l.y.)
| Coord 2000 |
17237+4717 |
|
Discov num |
STF2164 |
|
Comp |
AB |
|
Coord arcsec 2000 |
17 23 44.61 +47 16 14.3 |
|
| Date first |
1829 |
|
Date last |
2018 |
|
Obs |
35 |
|
| Pa first |
17 |
|
Pa last |
12.7 |
|
P.A. Now (θ) |
12.7° |
|
| Sep first |
8.8 |
|
Sep last |
9.33 |
|
Sep. Now (ρ) |
9.33" |
|
| Mag pri |
8.16 |
|
Mag sec |
9.81 |
|
delta mag (ΔM) |
1.65 |
|
Spectral class |
F8 (yellow-white) |
|
| Pri motion ra |
-021 |
|
Sec motion ra |
-019 |
|
| Pri motion dec |
+036 |
|
Sec motion dec |
+036 |
|
| Notes |
|
|
rPM=0.048 (< 0.3, Physical double)
This double is physical.
17237+4717 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 157906 |
46691 |
17 23 45 +47 16 14 |
STF 2164 AB |
2018 |
35 |
13 |
9.3 |
8.16 |
9.81 |
1.65 |
|
<=== |
| Show |
|
46691 |
17 23 45 +47 16 14 |
WAL 80 AC |
2018 |
9 |
159 |
112.5 |
8.16 |
12.27 |
4.11 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 157906 |
|
Constellation |
Hercules |
|
SAO |
46691 |
|
HIP |
85118 |
|
| Tycho2 |
3512-00608-1 |
|
Gaia DR2 |
1365231397431575424 |
|
HD |
157906 |
|
GC |
23561 |
|
| BD |
BD+47 2469 |
|
Distance |
84.82 |
|
Distance ly |
276.68 |
|
