20185-4000 B   474AB

 
 
20h 18m 32.03s -40 00' 46.0" P.A. 29 sep 3 mag 11.00,13.60 Sp K0/1
 
 
Coord 2000
20185-4000
Discov num
B   474
Comp
AB
Coord arcsec 2000
20 18 32.03 -40 00 46.0
Date first
1925
Date last
1925
Obs
1
Pa first
29
Pa last
29
P.A. Now (θ)
29°
Sep first
3.0
Sep last
3.0
Sep. Now (ρ)
3"
Mag pri
11.00
Mag sec
13.60
delta mag (ΔM)
2.6
Spectral class
K0/1 (yellow-orange)
Pri motion ra
+016
Sec motion ra
Pri motion dec
-024
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
20185-4000 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20185-4000 B 474 AB 1925 1925 1 29 3.0 11.00 13.60 2.60 <===
Show 20185-4000 WG 254 AC 1898 2015 6 20 14.3 11.00 12.00 1.00
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
28.8
Precise sep
3.04
Constellation
Sagittarius
Gaia DR2
71627452160
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20185-4000 B 474 AB 1925 1 29 3.0 11.00 13.60 K0/1 201832.03-400046.0

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