18029-2750 HDS 2541 Aa,Ab (HD 164562)
18h 02m 54.30s -27° 49' 36.0" P.A. 38.00 sep 0.3 mag 6.90,9.37 Sp K4III dist. 1098.9 pc (3584.61 l.y.)
Coord 2000 |
18029-2750 |
|
Discov num |
HDS2541 |
|
Comp |
Aa,Ab |
|
Coord arcsec 2000 |
18 02 54.30 -27 49 36.0 |
|
Date first |
1991 |
|
Date last |
2017 |
|
Obs |
2 |
|
Pa first |
212 |
|
Pa last |
38.2 |
|
P.A. Now (θ) |
38.2° |
|
Sep first |
0.2 |
|
Sep last |
0.308 |
|
Sep. Now (ρ) |
0.308" |
|
Mag pri |
6.90 |
|
Mag sec |
9.37 |
|
delta mag (ΔM) |
2.47 |
|
Spectral class |
K4III (yellow-orange) |
|
Pri motion ra |
+000 |
|
Sec motion ra |
|
|
Pri motion dec |
-003 |
|
Sec motion dec |
|
|
Notes |
|
|
Nature of this double is uncertain.
18029-2750 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
HD 164562 |
186161 |
18 02 54 -27 49 36 |
HDS 2541 Aa,Ab |
2017 |
2 |
38 |
0.3 |
6.90 |
9.37 |
2.47 |
|
<=== |
Show |
|
186161 |
18 02 54 -27 49 36 |
B 2428 AB |
1999 |
5 |
42 |
9.6 |
6.90 |
13.00 |
6.10 |
|
|
Triple system
2 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 164562 |
|
Constellation |
Sagittarius |
|
SAO |
186161 |
|
HIP |
88384 |
|
Tycho2 |
6850-03106-1 |
|
Gaia DR2 |
4063093114230652928 |
|
HD |
164562 |
|
CD |
CD-2712302 |
|
Distance |
1098.9 |
|
Distance ly |
3584.61 |
|