17503+0415 HJ  855

 
 
17h 50m 20.23s +04 14' 38.7" P.A. 81 sep 19.3 mag 10.22,10.72 Sp K2
 
 
Coord 2000
17503+0415
Discov num
HJ  855
Comp
Coord arcsec 2000
17 50 20.23 +04 14 38.7
Date first
1827
Date last
2013
Obs
17
Pa first
83
Pa last
81
P.A. Now (θ)
81°
Sep first
15.0
Sep last
19.3
Sep. Now (ρ)
19.3"
Mag pri
10.22
Mag sec
10.72
delta mag (ΔM)
0.5
Spectral class
K2 (yellow-orange)
Pri motion ra
-016
Sec motion ra
-009
Pri motion dec
-007
Sec motion dec
-004
Notes
rPM=0.436
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
80.8
Precise sep
19.28
Constellation
Ophiuchus
Tycho2
0424-01094-1
last precise pa
80.8
last precise sep
19.28
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17503+0415 HJ 855 2005 13 80 19.8 10.22 10.72 K2 D 175020.23+041438.7
17503+0415 HJ 855 2013 16 81 19.3 10.22 10.72 K2 175020.23+041438.7

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