17538-3447 TDT 562 Ba,Bb
17h 53m 44.13s -34° 47' 39.7" P.A. 157.00 sep 0.5 mag 7.49,7.81 Sp B9V
| Coord 2000 |
17538-3447 |
|
Discov num |
TDT 562 |
|
Comp |
Ba,Bb |
|
Coord arcsec 2000 |
17 53 44.13 -34 47 39.7 |
|
| Date first |
1991 |
|
Date last |
1991 |
|
Obs |
1 |
|
| Pa first |
157 |
|
Pa last |
157.2 |
|
P.A. Now (θ) |
157.2° |
|
| Sep first |
0.5 |
|
Sep last |
0.48 |
|
Sep. Now (ρ) |
0.48" |
|
| Mag pri |
7.49 |
|
Mag sec |
7.81 |
|
delta mag (ΔM) |
0.32 |
|
Spectral class |
B9V (blue-white) |
|
| Pri motion ra |
+004 |
|
Sec motion ra |
+004 |
|
| Pri motion dec |
-005 |
|
Sec motion dec |
-005 |
|
| Notes |
|
|
Nature of this double is uncertain.
17538-3447 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 162678 |
209425 |
17 53 46 -34 47 10 |
WFC 201 AB |
2000 |
9 |
209 |
34.7 |
6.27 |
6.98 |
0.71 |
|
|
| Show |
|
|
17 53 44 -34 47 40 |
TDT 562 Ba,Bb |
1991 |
1 |
157 |
0.5 |
7.49 |
7.81 |
0.32 |
|
<=== |
Triple system
2 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Scorpius |
|
Tycho2 |
7386-00463-1 |
|
Gaia DR2 |
4040801890398044928 |
|
HD |
162679 |
|
