20144+1608 BKO 540BD

 
 
20h 14m 22.19s +16 08' 43.3" P.A. 134 sep 9.9 mag 13.40,14.00
 
 
Coord 2000
20144+1608
Discov num
BKO 540
Comp
BD
Coord arcsec 2000
20 14 22.19 +16 08 43.3
Date first
1998
Date last
2015
Obs
8
Pa first
134
Pa last
134
P.A. Now (θ)
134°
Sep first
9.9
Sep last
9.9
Sep. Now (ρ)
9.9"
Mag pri
13.40
Mag sec
14.00
delta mag (ΔM)
0.6
Spectral class
Pri motion ra
-113
Sec motion ra
Pri motion dec
+097
Sec motion dec
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
20144+1608 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20144+1608 CHE 228 AB 1910 2015 11 309 38.6 11.19 13.29 2.10
Show 20144+1608 CHE 228 AC 1910 2015 9 268 24.4 11.19 13.96 2.77
Show 20144+1608 BKO 540 BD 1998 2015 8 134 9.9 13.40 14.00 0.60 <===
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
134.1
Precise sep
9.89
Constellation
Sagitta
Tycho2
1618-01497-1
Gaia DR2
46201532416
HD
355218
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20144+1608 BKO 540 BD 2008 1 134 9.9 10.21 13.60 N 201422.19+160843.3
20144+1608 BKO 540 BD 2015 4 134 9.9 13.40 14.00 N 201422.19+160843.3

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