18112-1951 TOK 57 Aa,Ab
18h 11m 14.78s -19° 50' 31.6" P.A. 16.00 sep 0.0 mag 6.60,9.60 Sp A2V dist. 101.52 pc (331.16 l.y.)
| Coord 2000 |
18112-1951 |
|
Discov num |
TOK 57 |
|
Comp |
Aa,Ab |
|
Coord arcsec 2000 |
18 11 14.78 -19 50 31.6 |
|
| Date first |
2008 |
|
Date last |
2017 |
|
Obs |
5 |
|
| Pa first |
106 |
|
Pa last |
15.9 |
|
P.A. Now (θ) |
15.9° |
|
| Sep first |
0.0 |
|
Sep last |
0.012 |
|
Sep. Now (ρ) |
0.012" |
|
| Mag pri |
6.60 |
|
Mag sec |
9.60 |
|
delta mag (ΔM) |
3 |
|
Spectral class |
A2V (white) |
|
| Pri motion ra |
-004 |
|
Sec motion ra |
|
|
| Pri motion dec |
-031 |
|
Sec motion dec |
|
|
| Notes |
N
X
(See Notes, Dubious double) |
|
Nature of this double is uncertain.
18112-1951 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
161153 |
18 11 15 -19 50 32 |
TOK 57 Aa,Ab |
2017 |
5 |
16 |
0.0 |
6.60 |
9.60 |
3.00 |
|
<=== |
| Show |
HD 166393 |
161153 |
18 11 15 -19 50 32 |
BU 132 AB |
2021 |
97 |
187 |
1.4 |
7.01 |
7.13 |
0.12 |
Y |
|
| Show |
|
161153 |
18 11 15 -19 50 31 |
OCC 9175 Ba,Bb |
1976 |
0 |
-1 |
0.0 |
7.50 |
8.60 |
1.10 |
|
|
Quadruple system
2 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Sagittarius |
|
SAO |
161153 |
|
HIP |
89114 |
|
Tycho2 |
6272-02382-1 |
|
| Gaia DR2 |
4094308180585050496 |
|
HD |
166393 |
|
HR |
6798 |
|
ADS |
11127 |
|
| BD |
BD-19 4886 |
|
Distance |
101.52 |
|
Distance ly |
331.16 |
|
