20231+4047 J 787 CD
20h 23m 08.07s +40° 46' 51.9" P.A. 292.00 sep 25.3 mag 13.00,12.40
Coord 2000 |
20231+4047 |
|
Discov num |
J 787 |
|
Comp |
CD |
|
Coord arcsec 2000 |
20 23 08.07 +40 46 51.9 |
|
Date first |
1917 |
|
Date last |
2015 |
|
Obs |
9 |
|
Pa first |
289 |
|
Pa last |
292.4 |
|
P.A. Now (θ) |
292.4° |
|
Sep first |
24.6 |
|
Sep last |
25.285 |
|
Sep. Now (ρ) |
25.285" |
|
Mag pri |
13.00 |
|
Mag sec |
12.40 |
|
delta mag (ΔM) |
0.6 |
|
Spectral class |
|
|
Pri motion ra |
+008 |
|
Sec motion ra |
+001 |
|
Pri motion dec |
-011 |
|
Sec motion dec |
-007 |
|
Notes |
N
(See Notes) |
|
rPM=0.593
Nature of this double is uncertain.
20231+4047 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
|
20 23 07 +40 46 55 |
J 787 AB |
2003 |
4 |
165 |
2.6 |
10.50 |
11.40 |
0.90 |
|
|
Show |
|
|
20 23 07 +40 46 55 |
J 787 AC |
2015 |
5 |
112 |
9.5 |
10.50 |
13.00 |
2.50 |
|
|
Show |
|
|
20 23 07 +40 46 55 |
J 787 AD |
2015 |
5 |
293 |
15.8 |
10.50 |
12.40 |
1.90 |
|
|
Show |
|
|
20 23 08 +40 46 52 |
J 787 CD |
2015 |
9 |
292 |
25.3 |
13.00 |
12.40 |
0.60 |
|
<=== |
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cygnus |
|
Gaia DR2 |
2067570283905719296 |
|