17228-4537 EVS  30AB (V636 Sco)

 
 
17h 22m 46.47s -45 36' 51.3" P.A. 268 sep 14.4 mag 6.65,16.49 Sp F7/7Ib/II dist. 869.57 pc (2836.54 l.y.)
 
 
Coord 2000
17228-4537
Discov num
EVS  30
Comp
AB
Coord arcsec 2000
17 22 46.47 -45 36 51.3
Date first
2011
Date last
2011
Obs
1
Pa first
268
Pa last
268
P.A. Now (θ)
268°
Sep first
14.4
Sep last
14.4
Sep. Now (ρ)
14.4"
Mag pri
6.65
Mag sec
16.49
delta mag (ΔM)
9.84
Spectral class
F7/7Ib/II (yellow-white)
Pri motion ra
-003
Sec motion ra
Pri motion dec
-002
Sec motion dec
Notes
N U (See Notes, Proper motion indicates non-physical)
This double is not physical.
 
 
17228-4537 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show V636 Sco 227880 17228-4537 EVS 30 AB 2011 2011 1 268 14.4 6.65 16.49 9.84 <===
Show 227880 17228-4537 EVS 30 AC 1999 2011 2 215 18.0 6.65 15.83 9.18
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
268
Precise sep
14.4
Other name
V636 Sco
Var name
V636 Sco
Constellation
Scorpius
SAO
227880
HIP
85035
Tycho2
8341-00720-1
HD
156979
GC
23458
CD
CD-4511441
CP
CP-45 8503
Distance
869.57
Distance ly
2836.54
last precise pa
268
last precise sep
14.4
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17228-4537 EVS 30 AB 2011 1 268 14.4 6.65 16.49 F7/7Ib/II NU 172246.47-453651.3

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