20339+4031 OPI9006

 
 
20h 33m 52.88s +40 30' 55.4" P.A. 300.00 sep 17.0 mag 9.50,12.50
 
 
Coord 2000
20339+4031
Discov num
OPI9006
Comp
Coord arcsec 2000
20 33 52.88 +40 30 55.4
Date first
1927
Date last
2015
Obs
11
Pa first
301
Pa last
300
P.A. Now (θ)
300°
Sep first
16.6
Sep last
17.0
Sep. Now (ρ)
17"
Mag pri
9.50
Mag sec
12.50
delta mag (ΔM)
3
Spectral class
Pri motion ra
+021
Sec motion ra
+015
Pri motion dec
+023
Sec motion dec
+022
Notes
rPM=0.195 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
299.6
Precise sep
17.047
Constellation
Cygnus
SAO
49798
Tycho2
3157-00928-1
Gaia DR2
40723243392
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20339+4031 OPI9006 2010 3 299 16.9 9.50 12.50 203352.88+403055.4
20339+4031 OPI9006 2015 7 300 17.0 9.50 12.50 203352.88+403055.4

If you need more information about this double, apply for a data request form to the WDS.