20176+2142 TDT2144

 
 
20h 17m 35.61s +21 42' 27.1" P.A. 71 sep 0.7 mag 11.11,12.01
 
 
Coord 2000
20176+2142
Discov num
TDT2144
Comp
Coord arcsec 2000
20 17 35.61 +21 42 27.1
Date first
1991
Date last
2015
Obs
2
Pa first
80
Pa last
71
P.A. Now (θ)
71°
Sep first
1.2
Sep last
0.7
Sep. Now (ρ)
0.7"
Mag pri
11.11
Mag sec
12.01
delta mag (ΔM)
0.9
Spectral class
Pri motion ra
-006
Sec motion ra
-006
Pri motion dec
-010
Sec motion dec
-010
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
71.1
Precise sep
0.731
Constellation
Vulpecula
SAO
88463
Tycho2
1643-00768-1
Gaia DR2
28141073920
HD
346323
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20176+2142 TDT2144 1991 1 80 1.2 11.11 12.01 201735.61+214227.1
20176+2142 TDT2144 2015 2 71 0.7 11.11 12.01 201735.61+214227.1

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