20287-1129 BWL  55AH

 
 
20h 28m 43.62s -11 28' 30.8" P.A. 110 sep 12.7 mag 7.56, Sp M3.5
 
 
Coord 2000
20287-1129
Discov num
BWL  55
Comp
AH
Coord arcsec 2000
20 28 43.62 -11 28 30.8
Date first
2013
Date last
2015
Obs
2
Pa first
110
Pa last
110
P.A. Now (θ)
110°
Sep first
12.9
Sep last
12.7
Sep. Now (ρ)
12.7"
Mag pri
7.56
Mag sec
delta mag (ΔM)
Spectral class
M3.5 (red)
Pri motion ra
+166
Sec motion ra
Pri motion dec
-093
Sec motion dec
Notes
K (K-band or other infrared magnitudes)
rPM=0.893
Nature of this double is uncertain.
 
 
20287-1129 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20287-1129 BWL 55 AB 2012 2015 3 34 5.6 7.56 15.20 7.64
Show 20287-1129 BWL 55 AC 2012 2013 2 128 2.8 7.56 17.80 10.24
Show 20287-1129 BWL 55 AD 2012 2013 2 234 5.6 7.56 18.60 11.04
Show 20287-1129 BWL 55 AE 2013 2013 1 82 21.7 7.56
Show 20287-1129 BWL 55 AF 2013 2015 3 94 19.9 7.56
Show 20287-1129 BWL 55 AG 2013 2015 2 94 19.9 7.56
Show 20287-1129 BWL 55 AH 2013 2015 2 110 12.7 7.56 <===
Show 20287-1129 BWL 55 AI 2013 2015 2 122 20.8 7.56
Show 20287-1129 BWL 55 AJ 2013 2013 1 327 19.5 7.56
Decuple system
10 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
SAO
127048
last precise pa
109.8
last precise sep
12.666
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20287-1129 BWL 55 AH 2013 1 110 12.9 7.56   M3.5 K 202843.62-112830.8
20287-1129 BWL 55 AH 2015 2 110 12.7 7.56   M3.5 K 202843.62-112830.8

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