20026+3125 DAM 643

 
 
20h 02m 36.82s +31 25' 01.0" P.A. 175 sep 6.8 mag 11.60,11.80
 
 
Coord 2000
20026+3125
Discov num
DAM 643
Comp
Coord arcsec 2000
20 02 36.82 +31 25 01.0
Date first
1902
Date last
2015
Obs
9
Pa first
177
Pa last
175
P.A. Now (θ)
175°
Sep first
6.9
Sep last
6.8
Sep. Now (ρ)
6.8"
Mag pri
11.60
Mag sec
11.80
delta mag (ΔM)
0.2
Spectral class
Pri motion ra
+006
Sec motion ra
+007
Pri motion dec
+014
Sec motion dec
+010
Notes
rPM=0.271 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
175
Precise sep
6.779
Constellation
Cygnus
Gaia DR2
63957375488
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20026+3125 DAM 643 2000 1 175 6.8 11.30 11.30 200236.82+312500.9
20026+3125 DAM 643 2002 2 175 6.8 11.60 11.80 200236.82+312501.0
20026+3125 DAM 643 2015 5 175 6.8 11.60 11.80 200236.82+312501.0

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