18509+2058 COU 317 AC
18h 50m 55.84s +20° 57' 51.3" P.A. 2.00 sep 17.3 mag 10.83,10.88 Sp A0
| Coord 2000 |
18509+2058 |
|
Discov num |
COU 317 |
|
Comp |
AC |
|
Coord arcsec 2000 |
18 50 55.84 +20 57 51.3 |
|
| Date first |
1968 |
|
Date last |
2015 |
|
Obs |
11 |
|
| Pa first |
1 |
|
Pa last |
1.6 |
|
P.A. Now (θ) |
1.6° |
|
| Sep first |
17.1 |
|
Sep last |
17.292 |
|
Sep. Now (ρ) |
17.292" |
|
| Mag pri |
10.83 |
|
Mag sec |
10.88 |
|
delta mag (ΔM) |
0.05 |
|
Spectral class |
A0 (white) |
|
| Pri motion ra |
-005 |
|
Sec motion ra |
+003 |
|
| Pri motion dec |
-010 |
|
Sec motion dec |
-004 |
|
| Notes |
|
|
rPM=0.894
This double is not physical.
18509+2058 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
18 50 56 +20 57 51 |
COU 317 AB |
2013 |
7 |
94 |
1.5 |
10.83 |
11.60 |
0.77 |
|
|
| Show |
|
|
18 50 56 +20 57 51 |
COU 317 AC |
2015 |
11 |
2 |
17.3 |
10.83 |
10.88 |
0.05 |
|
<=== |
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Hercules |
|
Tycho2 |
1596-02088-1 |
|
Gaia DR2 |
4531188508725136512 |
|
HD |
349413 |
|