20057+4812 TDT1966

 
 
20h 05m 39.47s +48 11' 40.8" P.A. 152 sep 1.7 mag 11.06,11.21
 
 
Coord 2000
20057+4812
Discov num
TDT1966
Comp
Coord arcsec 2000
20 05 39.47 +48 11 40.8
Date first
1991
Date last
2015
Obs
3
Pa first
155
Pa last
152
P.A. Now (θ)
152°
Sep first
1.9
Sep last
1.7
Sep. Now (ρ)
1.7"
Mag pri
11.06
Mag sec
11.21
delta mag (ΔM)
0.15
Spectral class
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
152.4
Precise sep
1.727
Constellation
Cygnus
Tycho2
3563-00763-1
Gaia DR2
52329746688
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20057+4812 TDT1966 1991 1 155 1.9 11.06 11.21 200539.47+481140.8
20057+4812 TDT1966 2015 2 152 1.7 11.06 11.21 200539.47+481140.8

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