18138-1847 HJ 594 AC
18h 13m 46.29s -18° 48' 36.4" P.A. 238.00 sep 13.5 mag 8.62,9.76 Sp B2IV/V
Coord 2000 |
18138-1847 |
|
Discov num |
HJ 594 |
|
Comp |
AC |
|
Coord arcsec 2000 |
18 13 46.29 -18 48 36.4 |
|
Date first |
1857 |
|
Date last |
2018 |
|
Obs |
16 |
|
Pa first |
239 |
|
Pa last |
238.1 |
|
P.A. Now (θ) |
238.1° |
|
Sep first |
13.3 |
|
Sep last |
13.506 |
|
Sep. Now (ρ) |
13.506" |
|
Mag pri |
8.62 |
|
Mag sec |
9.76 |
|
delta mag (ΔM) |
1.14 |
|
Spectral class |
B2IV/V (blue-white) |
|
Pri motion ra |
-004 |
|
Sec motion ra |
-001 |
|
Pri motion dec |
+001 |
|
Sec motion dec |
-004 |
|
Notes |
|
|
rPM=1.414
This double is not physical.
18138-1847 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
HD 166934 |
|
18 13 46 -18 48 36 |
HJ 594 AB |
2018 |
21 |
121 |
7.6 |
8.62 |
9.42 |
0.80 |
|
|
Show |
|
|
18 13 46 -18 48 36 |
HJ 594 AC |
2018 |
16 |
238 |
13.5 |
8.62 |
9.76 |
1.14 |
|
<=== |
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Sagittarius |
|
Tycho2 |
6272-00706-1 |
|
Gaia DR2 |
4095508881659443200 |
|
HD |
166934 |
|