17443-0632 GWP 2731 AC
17h 44m 16.45s -06° 31' 38.6" P.A. 242.00 sep 8.5 mag 8.30,10.70 Sp F8
| Coord 2000 |
17443-0632 |
|
Discov num |
GWP2731 |
|
Comp |
AC |
|
Coord arcsec 2000 |
17 44 16.45 -06 31 38.6 |
|
| Date first |
1999 |
|
Date last |
2015 |
|
Obs |
3 |
|
| Pa first |
231 |
|
Pa last |
242.4 |
|
P.A. Now (θ) |
242.4° |
|
| Sep first |
8.6 |
|
Sep last |
8.469 |
|
Sep. Now (ρ) |
8.469" |
|
| Mag pri |
8.30 |
|
Mag sec |
10.70 |
|
delta mag (ΔM) |
2.4 |
|
Spectral class |
F8 (yellow-white) |
|
| Pri motion ra |
+040 |
|
Sec motion ra |
+000 |
|
| Pri motion dec |
-093 |
|
Sec motion dec |
+000 |
|
| Notes |
V
W
K
(Proper motion indicates physical, , K-band or other infrared magnitudes) |
|
Visually invisible, K-band or other infrared star : Summary line gives K-band or other infrared (>1 micron) magnitudes
rPM=1
This double is physical.
17443-0632 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 161166 |
141840 |
17 44 16 -06 31 39 |
RST 4573 AB |
2016 |
5 |
303 |
1.8 |
9.73 |
11.20 |
1.47 |
|
|
| Show |
|
141840 |
17 44 16 -06 31 39 |
GWP 2731 AC |
2015 |
3 |
242 |
8.5 |
8.30 |
10.70 |
2.40 |
|
<=== |
| Show |
|
141840 |
17 44 16 -06 31 39 |
GWP 2732 AD |
2015 |
4 |
24 |
93.7 |
8.30 |
12.70 |
4.40 |
|
|
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Ophiuchus |
|
SAO |
141840 |
|
Tycho2 |
5093-00245-1 |
|
Gaia DR2 |
4169123487217693952 |
|
| HD |
161166 |
|
