20143+4115 COU2639

 
 
20h 14m 19.75s +41 15' 27.6" P.A. 244.00 sep 0.4 mag 10.91,10.98 Sp B2
 
 
Coord 2000
20143+4115
Discov num
COU2639
Comp
Coord arcsec 2000
20 14 19.75 +41 15 27.6
Date first
1990
Date last
2008
Obs
4
Pa first
262
Pa last
244
P.A. Now (θ)
244°
Sep first
0.4
Sep last
0.4
Sep. Now (ρ)
0.4"
Mag pri
10.91
Mag sec
10.98
delta mag (ΔM)
0.07
Spectral class
B2 (blue-white)
Pri motion ra
-003
Sec motion ra
-003
Pri motion dec
-006
Sec motion dec
-006
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
244
Precise sep
0.445
Constellation
Cygnus
SAO
49344
Tycho2
3159-00733-1
Gaia DR2
43311772800
HD
228496
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20143+4115 COU2639 1996 3 252 0.4 10.91 10.98 B2 201419.75+411527.6
20143+4115 COU2639 2008 4 244 0.4 10.91 10.98 B2 201419.75+411527.6

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