20039+3113 TDT1946

 
 
20h 03m 52.98s +31 12' 33.6" P.A. 287 sep 0.4 mag 10.26,10.30 Sp B8V
 
 
Coord 2000
20039+3113
Discov num
TDT1946
Comp
Coord arcsec 2000
20 03 52.98 +31 12 33.6
Date first
1991
Date last
2006
Obs
2
Pa first
297
Pa last
287
P.A. Now (θ)
287°
Sep first
0.4
Sep last
0.4
Sep. Now (ρ)
0.4"
Mag pri
10.26
Mag sec
10.30
delta mag (ΔM)
0.04
Spectral class
B8V (blue-white)
Pri motion ra
+001
Sec motion ra
+001
Pri motion dec
-009
Sec motion dec
-009
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
287.2
Precise sep
0.365
Constellation
Cygnus
Tycho2
2670-01360-1
HD
331810
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20039+3113 TDT1946 1991 1 297 0.4 10.26 10.30 200352.98+311233.6
20039+3113 TDT1946 2006 2 287 0.4 10.26 10.30 200352.98+311233.6

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