16581+1031 SKF  54

 
 
16h 58m 07.94s +10 30' 44.7" P.A. 200 sep 2.6 mag 17.00,18.20 Sp sdOB
 
 
Coord 2000
16581+1031
Discov num
SKF  54
Comp
Coord arcsec 2000
16 58 07.94 +10 30 44.7
Date first
1994
Date last
1994
Obs
1
Pa first
200
Pa last
200
P.A. Now (θ)
200°
Sep first
2.6
Sep last
2.6
Sep. Now (ρ)
2.6"
Mag pri
17.00
Mag sec
18.20
delta mag (ΔM)
1.2
Spectral class
sdOB
Pri motion ra
-003
Sec motion ra
Pri motion dec
-028
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
200
Precise sep
2.58
Constellation
Ophiuchus
last precise pa
200
last precise sep
2.58
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16581+1031 SKF 54 1994 1 200 2.6 16.50 18.00 sdOB 165807.94+103044.7
16581+1031 SKF 54 2000 1 200 2.5 16.50 18.00 sdOB 165807.94+103044.7

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