19569-3623 B 456 AB (HD 188491)
19h 56m 52.91s -36° 22' 41.3" P.A. 50.00 sep 0.7 mag 9.78,10.27 Sp A9V
| Coord 2000 |
19569-3623 |
|
Discov num |
B 456 |
|
Comp |
AB |
|
Coord arcsec 2000 |
19 56 52.91 -36 22 41.3 |
|
| Date first |
1926 |
|
Date last |
1991 |
|
Obs |
9 |
|
| Pa first |
47 |
|
Pa last |
50.4 |
|
P.A. Now (θ) |
50.4° |
|
| Sep first |
0.6 |
|
Sep last |
0.69 |
|
Sep. Now (ρ) |
0.69" |
|
| Mag pri |
9.78 |
|
Mag sec |
10.27 |
|
delta mag (ΔM) |
0.49 |
|
Spectral class |
A9V (white) |
|
| Pri motion ra |
+000 |
|
Sec motion ra |
+000 |
|
| Pri motion dec |
-015 |
|
Sec motion dec |
-015 |
|
| Notes |
|
|
Nature of this double is uncertain.
19569-3623 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 188491 |
211676 |
19 56 53 -36 22 41 |
B 456 AB |
1991 |
9 |
50 |
0.7 |
9.78 |
10.27 |
0.49 |
|
<=== |
| Show |
|
211676 |
19 56 53 -36 22 41 |
SEE 399 AB,C |
1998 |
9 |
31 |
5.0 |
9.20 |
12.80 |
3.60 |
|
|
Triple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 188491 |
|
Constellation |
Sagittarius |
|
SAO |
211676 |
|
Tycho2 |
7451-01272-1 |
|
| Gaia DR2 |
6698075474629376128 |
|
HD |
188491 |
|
