17285+0722 LDS4743

 
 
17h 28m 30.77s +07 21' 14.8" P.A. 247 sep 2.2 mag 16.90,18.40
 
 
Coord 2000
17285+0722
Discov num
LDS4743
Comp
Coord arcsec 2000
17 28 30.77 +07 21 14.8
Date first
1960
Date last
2000
Obs
2
Pa first
225
Pa last
247
P.A. Now (θ)
247°
Sep first
2.0
Sep last
2.2
Sep. Now (ρ)
2.2"
Mag pri
16.90
Mag sec
18.40
delta mag (ΔM)
1.5
Spectral class
Pri motion ra
-077
Sec motion ra
-077
Pri motion dec
-289
Sec motion dec
-289
Notes
V (Proper motion indicates physical)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
246.9
Precise sep
2.17
Constellation
Ophiuchus
last precise pa
246.9
last precise sep
2.17
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17285+0722 LDS4743 1960 1 225 2.0 17.60 18.60 172812.00+072200.0
17285+0722 LDS4743 2000 2 247 2.2 16.90 18.40 172830.77+072114.8

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