19517+1758 BPM1731

 
 
19h 51m 44.13s +17 57' 55.1" P.A. 298.00 sep 108.9 mag 13.84,14.60
 
 
Coord 2000
19517+1758
Discov num
BPM1731
Comp
Coord arcsec 2000
19 51 44.13 +17 57 55.1
Date first
1997
Date last
2015
Obs
8
Pa first
298
Pa last
298
P.A. Now (θ)
298°
Sep first
109.0
Sep last
108.9
Sep. Now (ρ)
108.9"
Mag pri
13.84
Mag sec
14.60
delta mag (ΔM)
0.76
Spectral class
Pri motion ra
+001
Sec motion ra
-008
Pri motion dec
-021
Sec motion dec
-015
Notes
N V (See Notes, Proper motion indicates physical)
Visually invisible, K-band or other infrared star rPM=0.514
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
297.6
Precise sep
108.948
Constellation
Sagitta
Gaia DR2
82982415744
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19517+1758 BPM1731 2000 2 298 110.0 13.84 14.60 NV 195144.13+175755.1
19517+1758 BPM1731 2001 3 296 109.5 13.84 14.60 NV 195144.13+175755.1
19517+1758 BPM1731 2010 4 298 109.9 13.84 14.60 NV 195144.13+175755.1
19517+1758 BPM1731 2015 5 298 110.3 13.84 14.60 NV 195144.13+175755.1

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