17137+6809 LDS2731

 
 
17h 13m 44.29s +68 09' 40.9" P.A. 352 sep 42.9 mag 16.10,16.20
 
 
Coord 2000
17137+6809
Discov num
LDS2731
Comp
Coord arcsec 2000
17 13 44.29 +68 09 40.9
Date first
1968
Date last
2010
Obs
4
Pa first
352
Pa last
352
P.A. Now (θ)
352°
Sep first
43.0
Sep last
42.9
Sep. Now (ρ)
42.9"
Mag pri
16.10
Mag sec
16.20
delta mag (ΔM)
0.1
Spectral class
Pri motion ra
-003
Sec motion ra
-005
Pri motion dec
-113
Sec motion dec
-109
Notes
rPM=0.04 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
352.3
Precise sep
42.9
Constellation
Draco
last precise pa
352.3
last precise sep
42.9
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17137+6809 LDS2731 1999 2 353 42.7 16.10 16.20 D 171344.29+680940.9
17137+6809 LDS2731 2004 3 353 42.9 16.10 16.20 D 171344.29+680940.9
17137+6809 LDS2731 2010 4 352 42.6 16.10 16.20 171344.29+680940.9

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