18205+2055 COU 202 (HD 168743)
18h 20m 27.81s +20° 55' 08.0" P.A. 294.00 sep 0.2 mag 9.30,9.69 Sp A0 dist. 328.95 pc (1073.03 l.y.)
| Coord 2000 |
18205+2055 |
|
Discov num |
COU 202 |
|
Comp |
|
|
Coord arcsec 2000 |
18 20 27.81 +20 55 08.0 |
|
| Date first |
1967 |
|
Date last |
2013 |
|
Obs |
21 |
|
| Pa first |
264 |
|
Pa last |
293.8 |
|
P.A. Now (θ) |
293.8° |
|
| Sep first |
0.2 |
|
Sep last |
0.193 |
|
Sep. Now (ρ) |
0.193" |
|
| Mag pri |
9.30 |
|
Mag sec |
9.69 |
|
delta mag (ΔM) |
0.39 |
|
Spectral class |
A0 (white) |
|
| Pri motion ra |
+004 |
|
Sec motion ra |
|
|
| Pri motion dec |
-009 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 168743 |
|
Constellation |
Hercules |
|
SAO |
85946 |
|
HIP |
89885 |
|
| Tycho2 |
1580-02128-1 |
|
Gaia DR2 |
4528765288167860992 |
|
HD |
168743 |
|
BD |
BD+20 3741 |
|
| Distance |
328.95 |
|
Distance ly |
1073.03 |
|