20522+1656 J 3116 AB
20h 52m 09.60s +16° 56' 13.0" P.A. 39.00 sep 73.3 mag 8.77,12.88 Sp F5
| Coord 2000 |
20522+1656 |
|
Discov num |
J 3116 |
|
Comp |
AB |
|
Coord arcsec 2000 |
20 52 09.60 +16 56 13.0 |
|
| Date first |
1944 |
|
Date last |
2015 |
|
Obs |
8 |
|
| Pa first |
40 |
|
Pa last |
38.9 |
|
P.A. Now (θ) |
38.9° |
|
| Sep first |
80.0 |
|
Sep last |
73.32 |
|
Sep. Now (ρ) |
73.32" |
|
| Mag pri |
8.77 |
|
Mag sec |
12.88 |
|
delta mag (ΔM) |
4.11 |
|
Spectral class |
F5 (yellow-white) |
|
| Pri motion ra |
+040 |
|
Sec motion ra |
+006 |
|
| Pri motion dec |
+002 |
|
Sec motion dec |
+014 |
|
| Notes |
|
|
rPM=0.9
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 |
|
SAO |
106591 |
|
Tycho2 |
1651-00358-1 |
|
Gaia DR2 |
1764624387719475072 |
|
| HD |
198770 |
|