20145+1555 CHE 230AB

 
 
20h 14m 26.83s +15 55' 02.0" P.A. 253.00 sep 20.5 mag 11.46,12.09
 
 
Coord 2000
20145+1555
Discov num
CHE 230
Comp
AB
Coord arcsec 2000
20 14 26.83 +15 55 02.0
Date first
1904
Date last
2015
Obs
12
Pa first
249
Pa last
253
P.A. Now (θ)
253°
Sep first
20.3
Sep last
20.5
Sep. Now (ρ)
20.5"
Mag pri
11.46
Mag sec
12.09
delta mag (ΔM)
0.63
Spectral class
Pri motion ra
+001
Sec motion ra
+001
Pri motion dec
-009
Sec motion dec
-001
Notes
N (See Notes)
Visually invisible, K-band or other infrared star rPM=0.883
This double is not physical.
 
 
20145+1555 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20145+1555 CHE 230 AB 1904 2015 12 253 20.5 11.46 12.09 0.63 <===
Show 20145+1555 BKO 542 BC 1998 2015 8 179 7.9 12.09 13.00 0.91
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
252.7
Precise sep
20.451
Constellation
Delphinus
Tycho2
1618-01048-1
Gaia DR2
09091357184
HD
355234
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20145+1555 CHE 230 AB 2008 5 253 20.5 11.46 12.09 D 201426.83+155502.0
20145+1555 CHE 230 AB 2015 8 253 20.4 11.46 12.09 N 201426.83+155502.0

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