20210+4041 TDT2199

 
 
20h 21m 02.88s +40 40' 37.5" P.A. 122 sep 0.8 mag 11.89,12.06 Sp A
 
 
Coord 2000
20210+4041
Discov num
TDT2199
Comp
Coord arcsec 2000
20 21 02.88 +40 40 37.5
Date first
1991
Date last
1991
Obs
1
Pa first
122
Pa last
122
P.A. Now (θ)
122°
Sep first
0.8
Sep last
0.8
Sep. Now (ρ)
0.8"
Mag pri
11.89
Mag sec
12.06
delta mag (ΔM)
0.17
Spectral class
A (white)
Pri motion ra
+001
Sec motion ra
+001
Pri motion dec
-004
Sec motion dec
-004
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
121.5
Precise sep
0.83
Constellation
Cygnus
Tycho2
3156-01078-1
Gaia DR2
17094247680
HD
229056
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20210+4041 TDT2199 1991 1 122 0.8 11.89 12.06 202102.88+404037.5

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