16385-5728 RST 869 AB (V841 Ara)
16h 38m 31.07s -57° 28' 11.4" P.A. 30.00 sep 0.5 mag 8.79,11.26 Sp G9V+DOZ1 dist. 36.4 pc (118.74 l.y.)
| Coord 2000 |
16385-5728 |
|
Discov num |
RST 869 |
|
Comp |
AB |
|
Coord arcsec 2000 |
16 38 31.07 -57 28 11.4 |
|
| Date first |
1929 |
|
Date last |
2021 |
|
Obs |
24 |
|
| Pa first |
61 |
|
Pa last |
30.3 |
|
P.A. Now (θ) |
30.3° |
|
| Sep first |
2.4 |
|
Sep last |
0.494 |
|
Sep. Now (ρ) |
0.494" |
|
| Mag pri |
8.79 |
|
Mag sec |
11.26 |
|
delta mag (ΔM) |
2.47 |
|
Spectral class |
G9V+DOZ1 (yellow/white dwarf) |
|
| Pri motion ra |
+095 |
|
Sec motion ra |
+095 |
|
| Pri motion dec |
+005 |
|
Sec motion dec |
+004 |
|
| Notes |
N
V
(See Notes, Proper motion indicates physical) |
|
rPM=0.011 (< 0.3, Physical double)
This double is physical.
16385-5728 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
244010 |
16 38 31 -57 28 11 |
TOK 51 Aa,Ab |
2021 |
15 |
25 |
0.0 |
8.70 |
12.70 |
4.00 |
Y |
|
| Show |
V841 Ara |
244010 |
16 38 31 -57 28 11 |
RST 869 AB |
2021 |
24 |
30 |
0.5 |
8.79 |
11.26 |
2.47 |
|
<=== |
Triple system
2 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Var name |
V841 Ara |
|
Constellation |
Ara |
|
SAO |
244010 |
|
HIP |
81478 |
|
| Tycho2 |
8720-01374-1 |
|
Gaia DR2 |
5927299651587437568 |
|
HD |
149499 |
|
CP |
CP-57 8088 |
|
| Distance |
36.4 |
|
Distance ly |
118.74 |
|
