19164-2521 HJ 5101 AB (HD 180132)
19h 16m 23.90s -25° 20' 31.8" P.A. 305.00 sep 21.4 mag 8.65,9.66 Sp B9/A0V
Coord 2000 |
19164-2521 |
|
Discov num |
HJ 5101 |
|
Comp |
AB |
|
Coord arcsec 2000 |
19 16 23.90 -25 20 31.8 |
|
Date first |
1834 |
|
Date last |
2015 |
|
Obs |
18 |
|
Pa first |
312 |
|
Pa last |
305.1 |
|
P.A. Now (θ) |
305.1° |
|
Sep first |
20.0 |
|
Sep last |
21.398 |
|
Sep. Now (ρ) |
21.398" |
|
Mag pri |
8.65 |
|
Mag sec |
9.66 |
|
delta mag (ΔM) |
1.01 |
|
Spectral class |
B9/A0V (blue-white) |
|
Pri motion ra |
+001 |
|
Sec motion ra |
+002 |
|
Pri motion dec |
-018 |
|
Sec motion dec |
-016 |
|
Notes |
N
T
(See Notes, Parallax indicates physical) |
|
rPM=0.124 (< 0.3, Physical double)
This double is physical.
19164-2521 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
187901 |
19 16 24 -25 20 32 |
HJ 5101 Aa,Ab |
2017 |
2 |
128 |
0.7 |
8.80 |
10.60 |
1.80 |
|
|
Show |
HD 180132 |
187901 |
19 16 24 -25 20 32 |
HJ 5101 AB |
2015 |
18 |
305 |
21.4 |
8.65 |
9.66 |
1.01 |
|
<=== |
Triple system
2 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 180132 |
|
Constellation |
Sagittarius |
|
SAO |
187901 |
|
Tycho2 |
6879-02480-1 |
|
Gaia DR2 |
6769421993881707904 |
|
HD |
180132 |
|