18442+2231 COU 209 AB (HD 342922)
18h 44m 11.63s +22° 30' 51.3" P.A. 38.00 sep 2.1 mag 10.50,11.20 Sp F8
| Coord 2000 |
18442+2231 |
|
Discov num |
COU 209 |
|
Comp |
AB |
|
Coord arcsec 2000 |
18 44 11.63 +22 30 51.3 |
|
| Date first |
1967 |
|
Date last |
2016 |
|
Obs |
7 |
|
| Pa first |
35 |
|
Pa last |
37.7 |
|
P.A. Now (θ) |
37.7° |
|
| Sep first |
1.6 |
|
Sep last |
2.064 |
|
Sep. Now (ρ) |
2.064" |
|
| Mag pri |
10.50 |
|
Mag sec |
11.20 |
|
delta mag (ΔM) |
0.7 |
|
Spectral class |
F8 (yellow-white) |
|
| Pri motion ra |
+015 |
|
Sec motion ra |
|
|
| Pri motion dec |
+016 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
18442+2231 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 342922 |
|
18 44 12 +22 30 51 |
COU 209 AB |
2016 |
7 |
38 |
2.1 |
10.50 |
11.20 |
0.70 |
|
<=== |
| Show |
|
|
18 44 12 +22 30 51 |
COU 209 AC |
2019 |
8 |
204 |
39.8 |
10.50 |
12.00 |
1.50 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 342922 |
|
Constellation |
Hercules |
|
Tycho2 |
2108-00161-1 |
|
Gaia DR2 |
4532383433036423936 |
|
| HD |
342922 |
|
