20107+3015 TDT2051

 
 
20h 10m 43.45s +30 14' 40.6" P.A. 242 sep 2 mag 11.90,12.27 Sp M1.5
 
 
Coord 2000
20107+3015
Discov num
TDT2051
Comp
Coord arcsec 2000
20 10 43.45 +30 14 40.6
Date first
1991
Date last
1991
Obs
1
Pa first
242
Pa last
242
P.A. Now (θ)
242°
Sep first
2.0
Sep last
2.0
Sep. Now (ρ)
2"
Mag pri
11.90
Mag sec
12.27
delta mag (ΔM)
0.37
Spectral class
M1.5 (red)
Pri motion ra
+003
Sec motion ra
Pri motion dec
-004
Sec motion dec
Notes
X (Dubious double)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
242.3
Precise sep
2
Constellation
Cygnus
SAO
69547
Tycho2
2671-01329-1
Gaia DR2
59019398016
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20107+3015 TDT2051 1991 1 242 2.0 11.90 12.27 201043.45+301440.6

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