18299-5731 RST 987 AB (HD 169836)
18h 29m 56.68s -57° 31' 23.1" P.A. 340.00 sep 1.1 mag 5.76,12.50 Sp K0III dist. 97.56 pc (318.24 l.y.)
| Coord 2000 |
18299-5731 |
|
Discov num |
RST 987 |
|
Comp |
AB |
|
Coord arcsec 2000 |
18 29 56.68 -57 31 23.1 |
|
| Date first |
1929 |
|
Date last |
1963 |
|
Obs |
2 |
|
| Pa first |
346 |
|
Pa last |
340.1 |
|
P.A. Now (θ) |
340.1° |
|
| Sep first |
1.8 |
|
Sep last |
1.13 |
|
Sep. Now (ρ) |
1.13" |
|
| Mag pri |
5.76 |
|
Mag sec |
12.50 |
|
delta mag (ΔM) |
6.74 |
|
Spectral class |
K0III (yellow-orange) |
|
| Pri motion ra |
+056 |
|
Sec motion ra |
|
|
| Pri motion dec |
-027 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
18299-5731 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 169836 |
245510 |
18 29 57 -57 31 23 |
RST 987 AB |
1963 |
2 |
340 |
1.1 |
5.76 |
12.50 |
6.74 |
|
<=== |
| Show |
|
245510 |
18 29 57 -57 31 23 |
HDO 290 AC |
2015 |
7 |
124 |
29.6 |
5.76 |
10.50 |
4.74 |
|
|
| Show |
|
245510 |
18 29 57 -57 31 23 |
SKF 973 AD |
2015 |
8 |
273 |
137.5 |
5.85 |
8.89 |
3.04 |
|
|
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 169836 |
|
Constellation |
Pavo |
|
SAO |
245510 |
|
HIP |
90664 |
|
| Tycho2 |
8753-02565-1 |
|
Gaia DR2 |
6648059657055491968 |
|
HD |
169836 |
|
HR |
6908 |
|
| GC |
25202 |
|
CP |
CP-57 9063 |
|
FK5 |
3464 |
|
Distance |
97.56 |
|
| Distance ly |
318.24 |
|
