20251+4042 TDT2253

 
 
20h 25m 06.74s +40 42' 14.9" P.A. 239 sep 2.4 mag 11.74,12.37
 
 
Coord 2000
20251+4042
Discov num
TDT2253
Comp
Coord arcsec 2000
20 25 06.74 +40 42 14.9
Date first
1991
Date last
1991
Obs
1
Pa first
239
Pa last
239
P.A. Now (θ)
239°
Sep first
2.4
Sep last
2.4
Sep. Now (ρ)
2.4"
Mag pri
11.74
Mag sec
12.37
delta mag (ΔM)
0.63
Spectral class
Pri motion ra
+009
Sec motion ra
+009
Pri motion dec
+002
Sec motion dec
+002
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
238.7
Precise sep
2.44
Constellation
Cygnus
Tycho2
3156-00956-1
Gaia DR2
97367221504
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20251+4042 TDT2253 1991 1 239 2.4 11.74 12.37 202506.74+404214.9

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