16397-4921 HJ 4873 AB (HD 149855)
16h 39m 43.61s -49° 21' 01.8" P.A. 69.00 sep 30.4 mag 9.07,9.55 Sp B1/2III
Coord 2000 |
16397-4921 |
|
Discov num |
HJ 4873 |
|
Comp |
AB |
|
Coord arcsec 2000 |
16 39 43.61 -49 21 01.8 |
|
Date first |
1836 |
|
Date last |
2015 |
|
Obs |
9 |
|
Pa first |
72 |
|
Pa last |
69.2 |
|
P.A. Now (θ) |
69.2° |
|
Sep first |
31.8 |
|
Sep last |
30.441 |
|
Sep. Now (ρ) |
30.441" |
|
Mag pri |
9.07 |
|
Mag sec |
9.55 |
|
delta mag (ΔM) |
0.48 |
|
Spectral class |
B1/2III (blue-white) |
|
Pri motion ra |
+003 |
|
Sec motion ra |
-008 |
|
Pri motion dec |
-005 |
|
Sec motion dec |
-002 |
|
Notes |
N
(See Notes) |
|
rPM=1.383
This double is not physical.
16397-4921 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
HD 149855 |
227012 |
16 39 44 -49 21 02 |
HJ 4873 AB |
2015 |
9 |
69 |
30.4 |
9.07 |
9.55 |
0.48 |
|
<=== |
Show |
|
227012 |
16 39 44 -49 21 02 |
HJ 4873 AC |
2015 |
5 |
169 |
13.3 |
9.07 |
12.26 |
3.19 |
|
|
Show |
|
|
16 39 47 -49 20 51 |
HJ 4873 BD |
2015 |
6 |
35 |
8.5 |
9.55 |
12.10 |
2.55 |
|
|
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 149855 |
|
Constellation |
Ara |
|
SAO |
227012 |
|
Tycho2 |
8333-00680-1 |
|
Gaia DR2 |
5940824297453501824 |
|
HD |
149855 |
|
DM |
CP-49 9498 |
|