20174+1643 LDS1039

 
 
20h 17m 13.01s +16 42' 41.0" P.A. 207 sep 126.8 mag 11.76,13.02
 
 
Coord 2000
20174+1643
Discov num
LDS1039
Comp
Coord arcsec 2000
20 17 13.01 +16 42 41.0
Date first
1936
Date last
2015
Obs
9
Pa first
207
Pa last
207
P.A. Now (θ)
207°
Sep first
127.0
Sep last
126.8
Sep. Now (ρ)
126.8"
Mag pri
11.76
Mag sec
13.02
delta mag (ΔM)
1.26
Spectral class
Pri motion ra
+017
Sec motion ra
+009
Pri motion dec
-063
Sec motion dec
-062
Notes
rPM=0.124 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
206.8
Precise sep
126.785
Constellation
Sagitta
Tycho2
1631-00324-1
Gaia DR2
89210930304
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20174+1643 LDS1039 1936 1 207 127.0 13.00 14.20 X 201715.00+164300.0
20174+1643 LDS1039 1998 2 207 126.9 12.15 12.94 201713.01+164241.0
20174+1643 LDS1039 2001 3 207 126.9 12.15 12.94 D 201713.01+164241.0
20174+1643 LDS1039 2010 4 207 126.9 11.76 13.02 201713.01+164241.0
20174+1643 LDS1039 2015 5 207 126.8 11.76 13.02 201713.01+164241.0

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