20105+3323 TOB  50

 
 
20h 10m 34.64s +33 23' 12.5" P.A. 269.00 sep 31.9 mag 8.98,10.14 Sp A2V
 
 
Coord 2000
20105+3323
Discov num
TOB  50
Comp
Coord arcsec 2000
20 10 34.64 +33 23 12.5
Date first
1893
Date last
2015
Obs
17
Pa first
273
Pa last
269
P.A. Now (θ)
269°
Sep first
30.6
Sep last
31.9
Sep. Now (ρ)
31.9"
Mag pri
8.98
Mag sec
10.14
delta mag (ΔM)
1.16
Spectral class
A2V (white)
Pri motion ra
+004
Sec motion ra
-008
Pri motion dec
-002
Sec motion dec
-021
Notes
rPM=1
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
268.6
Precise sep
31.909
Constellation
Cygnus
SAO
69552
Tycho2
2675-02626-1
Gaia DR2
27715789056
HD
228087
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20105+3323 TOB 50 2007 9 269 31.6 8.98 10.14 201034.64+332312.5
20105+3323 TOB 50 2013 11 269 31.9 8.98 10.14 A2V 201034.64+332312.5
20105+3323 TOB 50 2015 13 269 31.9 8.98 10.14 A2V 201034.64+332312.5

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