15419-3009 ARG 28 AB (HD 139911)
15h 41m 54.40s -30° 08' 47.4" P.A. 24.00 sep 35.0 mag 7.86,10.10 Sp K3III
| Coord 2000 |
15419-3009 |
|
Discov num |
ARG 28 |
|
Comp |
AB |
|
Coord arcsec 2000 |
15 41 54.40 -30 08 47.4 |
|
| Date first |
1880 |
|
Date last |
2020 |
|
Obs |
19 |
|
| Pa first |
23 |
|
Pa last |
23.5 |
|
P.A. Now (θ) |
23.5° |
|
| Sep first |
35.7 |
|
Sep last |
34.99 |
|
Sep. Now (ρ) |
34.99" |
|
| Mag pri |
7.86 |
|
Mag sec |
10.10 |
|
delta mag (ΔM) |
2.24 |
|
Spectral class |
K3III (yellow-orange) |
|
| Pri motion ra |
-022 |
|
Sec motion ra |
-023 |
|
| Pri motion dec |
-017 |
|
Sec motion dec |
-018 |
|
| Notes |
N
V
(See Notes, Proper motion indicates physical) |
|
rPM=0.048 (< 0.3, Physical double)
This double is physical.
15419-3009 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 139911 |
183710 |
15 41 54 -30 08 47 |
ARG 28 AB |
2020 |
19 |
24 |
35.0 |
7.86 |
10.10 |
2.24 |
|
<=== |
| Show |
|
183710 |
15 41 54 -30 08 47 |
ARG 28 AC |
2020 |
12 |
332 |
35.8 |
7.86 |
10.40 |
2.54 |
|
|
| Show |
|
183710 |
15 41 54 -30 08 47 |
ARG 28 AD |
2020 |
13 |
324 |
88.6 |
7.86 |
10.46 |
2.60 |
|
|
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 139911 |
|
Constellation |
Lupus |
|
SAO |
183710 |
|
Tycho2 |
7327-00627-1 |
|
| Gaia DR2 |
6208948248025929728 |
|
HD |
139911 |
|
