17387+4923 BEM  28

 
 
17h 38m 47.96s +49 22' 32.7" sep 3.2 mag 12.00,12.40
 
 
Coord 2000
17387+4923
Discov num
BEM  28
Comp
Coord arcsec 2000
17 38 47.96 +49 22 32.7
Date first
1902
Date last
2016
Obs
5
Pa first
352
Pa last
0
P.A. Now (θ)
Sep first
2.5
Sep last
3.2
Sep. Now (ρ)
3.2"
Mag pri
12.00
Mag sec
12.40
delta mag (ΔM)
0.4
Spectral class
Pri motion ra
+044
Sec motion ra
+043
Pri motion dec
-115
Sec motion dec
-003
Notes
rPM=0.91
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise sep
3.18
Constellation
Hercules
last precise pa
358
last precise sep
2.959
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17387+4923 BEM 28 2000 3 0 3.0 12.00 12.40 D 173847.96+492232.7
17387+4923 BEM 28 2003 4 359 3.2 12.00 12.40 D 173847.96+492232.7
17387+4923 BEM 28 2010 5 0 3.7 12.00 12.40 173847.96+492232.7
17387+4923 BEM 28 2016 5 0 3.2 12.00 12.40 173847.96+492232.7

If you need more information about this double, apply for a data request form to the WDS.