18453-2039 EVS  37AD

 
 
18h 45m 17.50s -20 38' 50.5" P.A. 156 sep 10.6 mag 7.52,16.09 Sp F8Ib/II
 
 
Coord 2000
18453-2039
Discov num
EVS  37
Comp
AD
Coord arcsec 2000
18 45 17.50 -20 38 50.5
Date first
2011
Date last
2011
Obs
1
Pa first
156
Pa last
156
P.A. Now (θ)
156°
Sep first
10.6
Sep last
10.6
Sep. Now (ρ)
10.6"
Mag pri
7.52
Mag sec
16.09
delta mag (ΔM)
8.57
Spectral class
F8Ib/II (yellow-white)
Pri motion ra
+001
Sec motion ra
Pri motion dec
-004
Sec motion dec
Notes
N U (See Notes, Proper motion indicates non-physical)
This double is not physical.
 
 
18453-2039 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 18453-2039 EVS 37 AB 2011 2011 1 128 3.1 7.52 17.91 10.39
Show 18453-2039 EVS 37 AC 2011 2011 1 66 10.6 7.52 16.00 8.48
Show 18453-2039 EVS 37 AD 2011 2011 1 156 10.6 7.52 16.09 8.57 <===
Show 18453-2039 EVS 37 AE 2011 2011 1 270 11.4 7.52 18.73 11.21
Show 18453-2039 EVS 37 AF 1998 2011 2 330 18.0 7.52 16.92 9.40
Sextuple system
6 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
156
Precise sep
10.6
Cdsa2 id
EVS 37 AD
Constellation
Sagittarius
Ra deg
18.75486111111111
De deg
-20.64736111111111
last precise pa
156
last precise sep
10.6
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18453-2039 EVS 37 AD 2011 1 156 10.6 7.52 16.09 F8Ib/II NU 184517.50-203850.5

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