18071-2224 TDT 690 Ba,Bb
18h 07m 06.04s -22° 23' 40.6" P.A. 68.00 sep 0.5 mag 11.14,11.22 Sp B9
| Coord 2000 |
18071-2224 |
|
Discov num |
TDT 690 |
|
Comp |
Ba,Bb |
|
Coord arcsec 2000 |
18 07 06.04 -22 23 40.6 |
|
| Date first |
1991 |
|
Date last |
1991 |
|
Obs |
1 |
|
| Pa first |
68 |
|
Pa last |
68.1 |
|
P.A. Now (θ) |
68.1° |
|
| Sep first |
0.5 |
|
Sep last |
0.49 |
|
Sep. Now (ρ) |
0.49" |
|
| Mag pri |
11.14 |
|
Mag sec |
11.22 |
|
delta mag (ΔM) |
0.08 |
|
Spectral class |
B9 (blue-white) |
|
| Pri motion ra |
-004 |
|
Sec motion ra |
-004 |
|
| Pri motion dec |
+002 |
|
Sec motion dec |
+002 |
|
| Notes |
|
|
Nature of this double is uncertain.
18071-2224 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
18 07 05 -22 23 44 |
LYS 35 AB |
2015 |
7 |
80 |
18.6 |
10.08 |
10.52 |
0.44 |
|
|
| Show |
|
|
18 07 06 -22 23 41 |
TDT 690 Ba,Bb |
1991 |
1 |
68 |
0.5 |
11.14 |
11.22 |
0.08 |
|
<=== |
Triple system
2 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Sagittarius |
|
Gaia DR2 |
4069635174014080768 |
|