18122-3921 HJ 5028 AC
18h 12m 09.65s -39° 20' 39.7" P.A. 148.00 sep 14.9 mag 8.79,9.42 Sp B8/9V
| Coord 2000 |
18122-3921 |
|
Discov num |
HJ 5028 |
|
Comp |
AC |
|
Coord arcsec 2000 |
18 12 09.65 -39 20 39.7 |
|
| Date first |
1835 |
|
Date last |
2016 |
|
Obs |
21 |
|
| Pa first |
153 |
|
Pa last |
148.1 |
|
P.A. Now (θ) |
148.1° |
|
| Sep first |
17.5 |
|
Sep last |
14.89 |
|
Sep. Now (ρ) |
14.89" |
|
| Mag pri |
8.79 |
|
Mag sec |
9.42 |
|
delta mag (ΔM) |
0.63 |
|
Spectral class |
B8/9V (blue-white) |
|
| Pri motion ra |
-018 |
|
Sec motion ra |
-006 |
|
| Pri motion dec |
+000 |
|
Sec motion dec |
-007 |
|
| Notes |
|
|
rPM=0.772
Nature of this double is uncertain.
18122-3921 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 166370 |
209839 |
18 12 10 -39 20 40 |
BU 759 AB |
2016 |
14 |
124 |
2.0 |
8.79 |
9.17 |
0.38 |
|
|
| Show |
|
209839 |
18 12 10 -39 20 40 |
HJ 5028 AC |
2016 |
21 |
148 |
14.9 |
8.79 |
9.42 |
0.63 |
|
<=== |
| Show |
|
|
18 12 10 -39 20 40 |
HJ 5028 BC |
2015 |
15 |
151 |
13.0 |
9.17 |
9.42 |
0.25 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Corona Austrina |
|
SAO |
209839 |
|
Tycho2 |
7900-05649-1 |
|
Gaia DR2 |
6726045641691326976 |
|
| HD |
166370 |
|
