20164+1745 J 1109 AC
20h 16m 25.24s +17° 44' 38.1" P.A. 9.00 sep 8.4 mag 11.70,15.00
| Coord 2000 |
20164+1745 |
|
Discov num |
J 1109 |
|
Comp |
AC |
|
Coord arcsec 2000 |
20 16 25.24 +17 44 38.1 |
|
| Date first |
1998 |
|
Date last |
2015 |
|
Obs |
7 |
|
| Pa first |
10 |
|
Pa last |
9.3 |
|
P.A. Now (θ) |
9.3° |
|
| Sep first |
8.6 |
|
Sep last |
8.41 |
|
Sep. Now (ρ) |
8.41" |
|
| Mag pri |
11.70 |
|
Mag sec |
15.00 |
|
delta mag (ΔM) |
3.3 |
|
Spectral class |
|
|
| Pri motion ra |
+002 |
|
Sec motion ra |
|
|
| Pri motion dec |
-003 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
20164+1745 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
20 16 25 +17 44 38 |
J 1109 AB |
2015 |
11 |
331 |
6.4 |
11.70 |
12.50 |
0.80 |
|
|
| Show |
|
|
20 16 25 +17 44 38 |
J 1109 AC |
2015 |
7 |
9 |
8.4 |
11.70 |
15.00 |
3.30 |
|
<=== |
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Sagitta |
|
Gaia DR2 |
1809952274280840448 |
|