20144+1608 CHE 228AC

 
 
20h 14m 24.25s +16 08' 18.9" P.A. 268 sep 24.4 mag 11.19,13.96
 
 
Coord 2000
20144+1608
Discov num
CHE 228
Comp
AC
Coord arcsec 2000
20 14 24.25 +16 08 18.9
Date first
1910
Date last
2015
Obs
9
Pa first
269
Pa last
268
P.A. Now (θ)
268°
Sep first
24.9
Sep last
24.4
Sep. Now (ρ)
24.4"
Mag pri
11.19
Mag sec
13.96
delta mag (ΔM)
2.77
Spectral class
Pri motion ra
+006
Sec motion ra
-025
Pri motion dec
+002
Sec motion dec
-020
Notes
N (See Notes)
rPM=1.187
This double is not physical.
 
 
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
267.7
Precise sep
24.396
Constellation
Sagitta
Tycho2
1618-01497-1
Gaia DR2
77482051200
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 CHE 228 AC 2002 3 268 24.3 9.63 11.50 D 201424.25+160819.6
20144+1608 CHE 228 AC 2008 4 268 24.2 9.63 11.50 D 201424.24+160819.0
20144+1608 CHE 228 AC 2015 6 268 24.4 11.19 13.96 N 201424.25+160818.9

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