20138+4055 TDT2106

 
 
20h 13m 50.50s +40 54' 43.7" P.A. 358 sep 0.5 mag 11.45,11.90 Sp A0
 
 
Coord 2000
20138+4055
Discov num
TDT2106
Comp
Coord arcsec 2000
20 13 50.50 +40 54 43.7
Date first
1991
Date last
1991
Obs
1
Pa first
358
Pa last
358
P.A. Now (θ)
358°
Sep first
0.5
Sep last
0.5
Sep. Now (ρ)
0.5"
Mag pri
11.45
Mag sec
11.90
delta mag (ΔM)
0.45
Spectral class
A0 (white)
Pri motion ra
+010
Sec motion ra
+010
Pri motion dec
-001
Sec motion dec
-001
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
358.4
Precise sep
0.52
Constellation
Cygnus
Tycho2
3155-01593-1
Gaia DR2
17885197824
HD
228454
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20138+4055 TDT2106 1991 1 358 0.5 11.45 11.90 201350.50+405443.7

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