20311+1648 ROE 14 AB
20h 31m 03.18s +16° 48' 41.3" P.A. 262.00 sep 7.0 mag 11.50,12.60
Coord 2000 |
20311+1648 |
|
Discov num |
ROE 14 |
|
Comp |
AB |
|
Coord arcsec 2000 |
20 31 03.18 +16 48 41.3 |
|
Date first |
1909 |
|
Date last |
2015 |
|
Obs |
10 |
|
Pa first |
259 |
|
Pa last |
262.3 |
|
P.A. Now (θ) |
262.3° |
|
Sep first |
7.0 |
|
Sep last |
7.043 |
|
Sep. Now (ρ) |
7.043" |
|
Mag pri |
11.50 |
|
Mag sec |
12.60 |
|
delta mag (ΔM) |
1.1 |
|
Spectral class |
|
|
Pri motion ra |
+020 |
|
Sec motion ra |
-008 |
|
Pri motion dec |
-005 |
|
Sec motion dec |
+008 |
|
Notes |
|
|
rPM=1.497
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 |
1811892598760871680 |
|