20283+4038 TDT2306

 
 
20h 28m 15.47s +40 38' 19.8" P.A. 156 sep 1.1 mag 9.99,11.81 Sp B0V:
 
 
Coord 2000
20283+4038
Discov num
TDT2306
Comp
Coord arcsec 2000
20 28 15.47 +40 38 19.8
Date first
1991
Date last
1991
Obs
1
Pa first
156
Pa last
156
P.A. Now (θ)
156°
Sep first
1.1
Sep last
1.1
Sep. Now (ρ)
1.1"
Mag pri
9.99
Mag sec
11.81
delta mag (ΔM)
1.82
Spectral class
B0V: (blue-white)
Pri motion ra
-003
Sec motion ra
-003
Pri motion dec
-004
Sec motion dec
-004
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
155.9
Precise sep
1.12
Constellation
Cygnus
SAO
49660
Tycho2
3156-01904-1
Gaia DR2
04373639552
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20283+4038 TDT2306 1991 1 156 1.1 9.99 11.81 202815.47+403819.8

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