18072-1854 A 2259 BC
18h 07m 12.95s -18° 54' 21.2" P.A. 202.00 sep 1.3 mag 10.74,11.50 Sp K2/3III:
| Coord 2000 |
18072-1854 |
|
Discov num |
A 2259 |
|
Comp |
BC |
|
Coord arcsec 2000 |
18 07 12.95 -18 54 21.2 |
|
| Date first |
1910 |
|
Date last |
2016 |
|
Obs |
13 |
|
| Pa first |
220 |
|
Pa last |
202.1 |
|
P.A. Now (θ) |
202.1° |
|
| Sep first |
0.9 |
|
Sep last |
1.287 |
|
Sep. Now (ρ) |
1.287" |
|
| Mag pri |
10.74 |
|
Mag sec |
11.50 |
|
delta mag (ΔM) |
0.76 |
|
Spectral class |
K2/3III: (yellow-orange) |
|
| Pri motion ra |
+029 |
|
Sec motion ra |
+027 |
|
| Pri motion dec |
-200 |
|
Sec motion dec |
-199 |
|
| Notes |
|
|
rPM=0.011 (< 0.3, Physical double)
This double is physical.
18072-1854 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 165528 |
|
18 07 14 -18 53 59 |
STN 41 A,BC |
2018 |
18 |
211 |
29.8 |
9.89 |
10.74 |
0.85 |
|
|
| Show |
|
|
18 07 13 -18 54 21 |
A 2259 BC |
2016 |
13 |
202 |
1.3 |
10.74 |
11.50 |
0.76 |
|
<=== |
Triple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Sagittarius |
|
HIP |
88759 |
|
Tycho2 |
6259-02107-1 |
|
Gaia DR2 |
4095362921479872384 |
|
| HD |
165528 |
|
BD |
BD-18 4794 |
|