16555-0820 WNO 55 AB,F
16h 55m 28.75s -08° 20' 11.3" P.A. 155.00 sep 230.7 mag 9.02,16.90 Sp M3.5V+M7V dist. 6.2 pc (20.22 l.y.)
| Coord 2000 |
16555-0820 |
|
Discov num |
WNO 55 |
|
Comp |
AB,F |
|
Coord arcsec 2000 |
16 55 28.75 -08 20 11.3 |
|
| Date first |
1954 |
|
Date last |
2005 |
|
Obs |
10 |
|
| Pa first |
155 |
|
Pa last |
155.3 |
|
P.A. Now (θ) |
155.3° |
|
| Sep first |
232.5 |
|
Sep last |
230.74 |
|
Sep. Now (ρ) |
230.74" |
|
| Mag pri |
9.02 |
|
Mag sec |
16.90 |
|
delta mag (ΔM) |
7.88 |
|
Spectral class |
M3.5V+M7V (red/red) |
|
| Pri motion ra |
-826 |
|
Sec motion ra |
-813 |
|
| Pri motion dec |
-874 |
|
Sec motion dec |
-871 |
|
| Notes |
N
T
(See Notes, Parallax indicates physical) |
|
rPM=0.011 (< 0.3, Physical double)
This double is physical.
16555-0820 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
141439 |
16 55 29 -08 20 11 |
KUI 75 AB |
2019 |
382 |
107 |
0.2 |
9.73 |
9.81 |
0.08 |
Y |
|
| Show |
V1054 Oph |
141439 |
16 55 29 -08 20 11 |
LDS 573 AB,C |
2016 |
20 |
313 |
72.3 |
9.21 |
11.98 |
2.77 |
|
|
| Show |
|
141439 |
16 55 29 -08 20 11 |
LDS 573 AB,D |
1960 |
1 |
155 |
21.0 |
9.21 |
17.70 |
8.49 |
|
|
| Show |
|
141439 |
16 55 29 -08 20 11 |
SLE 687 AB,E |
2007 |
7 |
324 |
295.3 |
9.21 |
10.40 |
1.19 |
|
|
| Show |
|
141439 |
16 55 29 -08 20 11 |
WNO 55 AB,F |
2005 |
10 |
155 |
230.7 |
9.02 |
16.90 |
7.88 |
|
<=== |
| Show |
|
|
16 55 25 -08 19 22 |
UC 3253 CF |
2016 |
6 |
150 |
298.8 |
11.98 |
16.90 |
4.92 |
|
|
Sextuple system
7 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Var name |
V1054 Oph |
|
Constellation |
Ophiuchus |
|
SAO |
141439 |
|
HIP |
82817 |
|
| Tycho2 |
5642-01503-1 |
|
HD |
152751 |
|
GL |
Gl 644A |
|
BD |
BD-08 4352 |
|
| Distance |
6.2 |
|
Distance ly |
20.22 |
|
