20506+5452 DJU 5 CD
20h 50m 40.79s +54° 52' 29.6" P.A. 173.00 sep 4.0 mag 12.60,13.30
Coord 2000 |
20506+5452 |
|
Discov num |
DJU 5 |
|
Comp |
CD |
|
Coord arcsec 2000 |
20 50 40.79 +54 52 29.6 |
|
Date first |
1954 |
|
Date last |
2009 |
|
Obs |
5 |
|
Pa first |
167 |
|
Pa last |
172.7 |
|
P.A. Now (θ) |
172.7° |
|
Sep first |
3.8 |
|
Sep last |
4.04 |
|
Sep. Now (ρ) |
4.04" |
|
Mag pri |
12.60 |
|
Mag sec |
13.30 |
|
delta mag (ΔM) |
0.7 |
|
Spectral class |
|
|
Pri motion ra |
-004 |
|
Sec motion ra |
-007 |
|
Pri motion dec |
-002 |
|
Sec motion dec |
-006 |
|
Notes |
|
|
rPM=0.542
Nature of this double is uncertain.
20506+5452 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
|
20 50 33 +54 51 57 |
HJ 1587 AB |
2015 |
13 |
259 |
10.4 |
10.80 |
12.40 |
1.60 |
|
|
Show |
|
|
20 50 33 +54 51 57 |
DJU 5 AC |
2015 |
5 |
66 |
77.9 |
10.80 |
12.60 |
1.80 |
|
|
Show |
|
|
20 50 41 +54 52 30 |
DJU 5 CD |
2009 |
5 |
173 |
4.0 |
12.60 |
13.30 |
0.70 |
|
<=== |
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cygnus |
|
Gaia DR2 |
2183051375992159104 |
|