20522+1656 J 3116 BC
20h 52m 12.84s +16° 57' 09.9" P.A. 143.00 sep 6.0 mag 13.30,14.80
| Coord 2000 |
20522+1656 |
|
Discov num |
J 3116 |
|
Comp |
BC |
|
Coord arcsec 2000 |
20 52 12.84 +16 57 09.9 |
|
| Date first |
1944 |
|
Date last |
2015 |
|
Obs |
7 |
|
| Pa first |
130 |
|
Pa last |
142.6 |
|
P.A. Now (θ) |
142.6° |
|
| Sep first |
4.0 |
|
Sep last |
6.024 |
|
Sep. Now (ρ) |
6.024" |
|
| Mag pri |
13.30 |
|
Mag sec |
14.80 |
|
delta mag (ΔM) |
1.5 |
|
Spectral class |
|
|
| Pri motion ra |
+006 |
|
Sec motion ra |
-002 |
|
| Pri motion dec |
+014 |
|
Sec motion dec |
-022 |
|
| Notes |
|
|
rPM=1.669
This double is not physical.
20522+1656 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
106591 |
20 52 10 +16 56 13 |
J 3116 AB |
2015 |
8 |
39 |
73.3 |
8.77 |
12.88 |
4.11 |
|
|
| Show |
|
|
20 52 13 +16 57 10 |
J 3116 BC |
2015 |
7 |
143 |
6.0 |
13.30 |
14.80 |
1.50 |
|
<=== |
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Delphinus |
|
Gaia DR2 |
1764624529455721856 |
|
