20171+6943 LDS1930

 
 
20h 16m 58.77s +69 41' 03.3" P.A. 292 sep 51.8 mag 14.70,18.50
 
 
Coord 2000
20171+6943
Discov num
LDS1930
Comp
Coord arcsec 2000
20 16 58.77 +69 41 03.3
Date first
1999
Date last
2015
Obs
7
Pa first
293
Pa last
292
P.A. Now (θ)
292°
Sep first
51.3
Sep last
51.8
Sep. Now (ρ)
51.8"
Mag pri
14.70
Mag sec
18.50
delta mag (ΔM)
3.8
Spectral class
Pri motion ra
+021
Sec motion ra
Pri motion dec
+039
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
292.1
Precise sep
51.776
Constellation
Draco
Gaia DR2
09740566400
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20171+6943 LDS1930 1962 1 324 43.0 14.70 18.50 I 201658.77+694103.3
20171+6943 LDS1930 2000 3 293 51.3 14.70 18.50 D 201658.77+694103.3
20171+6943 LDS1930 2010 4 292 51.6 14.70 18.50 201658.77+694103.3
20171+6943 LDS1930 2015 5 292 51.8 14.70 18.50 201658.77+694103.3

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