20311+1648 J 563 BC
20h 31m 02.69s +16° 48' 40.4" P.A. 215.00 sep 5.1 mag 12.60,13.20
| Coord 2000 |
20311+1648 |
|
Discov num |
J 563 |
|
Comp |
BC |
|
Coord arcsec 2000 |
20 31 02.69 +16 48 40.4 |
|
| Date first |
1911 |
|
Date last |
2015 |
|
Obs |
9 |
|
| Pa first |
192 |
|
Pa last |
215.2 |
|
P.A. Now (θ) |
215.2° |
|
| Sep first |
5.0 |
|
Sep last |
5.068 |
|
Sep. Now (ρ) |
5.068" |
|
| Mag pri |
12.60 |
|
Mag sec |
13.20 |
|
delta mag (ΔM) |
0.6 |
|
Spectral class |
|
|
| Pri motion ra |
-008 |
|
Sec motion ra |
-013 |
|
| Pri motion dec |
+008 |
|
Sec motion dec |
-017 |
|
| Notes |
|
|
rPM=1.191
This double is not physical.
20311+1648 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
20 31 03 +16 48 41 |
ROE 14 AB |
2015 |
10 |
262 |
7.0 |
11.50 |
12.60 |
1.10 |
|
|
| Show |
|
|
20 31 03 +16 48 40 |
J 563 BC |
2015 |
9 |
215 |
5.1 |
12.60 |
13.20 |
0.60 |
|
<=== |
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Delphinus |
|
Gaia DR2 |
1811892603051057408 |
|
