17386+2219 COU 316 BC
17h 38m 33.89s +22° 18' 27.0" P.A. 276.00 sep 2.3 mag 11.70,11.90
| Coord 2000 |
17386+2219 |
|
Discov num |
COU 316 |
|
Comp |
BC |
|
Coord arcsec 2000 |
17 38 33.89 +22 18 27.0 |
|
| Date first |
1968 |
|
Date last |
2016 |
|
Obs |
2 |
|
| Pa first |
281 |
|
Pa last |
275.8 |
|
P.A. Now (θ) |
275.8° |
|
| Sep first |
1.8 |
|
Sep last |
2.336 |
|
Sep. Now (ρ) |
2.336" |
|
| Mag pri |
11.70 |
|
Mag sec |
11.90 |
|
delta mag (ΔM) |
0.2 |
|
Spectral class |
|
|
| Pri motion ra |
+005 |
|
Sec motion ra |
|
|
| Pri motion dec |
-004 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
17386+2219 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
17 38 34 +22 19 01 |
COU 316 AB |
2015 |
5 |
186 |
34.2 |
11.00 |
11.70 |
0.70 |
|
|
| Show |
|
|
17 38 34 +22 18 27 |
COU 316 BC |
2016 |
2 |
276 |
2.3 |
11.70 |
11.90 |
0.20 |
|
<=== |
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Hercules |
|
Gaia DR2 |
4557091074221660800 |
|
