18087-1756 TDT 706 Aa,Ab
18h 08m 40.05s -17° 55' 59.9" P.A. 98.00 sep 0.8 mag 11.16,11.82 Sp G0
| Coord 2000 |
18087-1756 |
|
Discov num |
TDT 706 |
|
Comp |
Aa,Ab |
|
Coord arcsec 2000 |
18 08 40.05 -17 55 59.9 |
|
| Date first |
1991 |
|
Date last |
1991 |
|
Obs |
1 |
|
| Pa first |
98 |
|
Pa last |
97.8 |
|
P.A. Now (θ) |
97.8° |
|
| Sep first |
0.8 |
|
Sep last |
0.83 |
|
Sep. Now (ρ) |
0.83" |
|
| Mag pri |
11.16 |
|
Mag sec |
11.82 |
|
delta mag (ΔM) |
0.66 |
|
Spectral class |
G0 (yellow) |
|
| Pri motion ra |
+000 |
|
Sec motion ra |
+000 |
|
| Pri motion dec |
+001 |
|
Sec motion dec |
+001 |
|
| Notes |
|
|
Nature of this double is uncertain.
18087-1756 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
18 08 40 -17 55 60 |
TDT 706 Aa,Ab |
1991 |
1 |
98 |
0.8 |
11.16 |
11.82 |
0.66 |
|
<=== |
| Show |
HD 312621 |
|
18 08 40 -17 55 60 |
ARA 266 AB |
2007 |
7 |
125 |
11.9 |
10.73 |
12.20 |
1.47 |
|
|
Triple system
2 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Sagittarius |
|
Tycho2 |
6268-00716-1 |
|
Gaia DR2 |
4095861481278828672 |
|
HD |
312621 |
|
