20135+3912 SEI1025AC

 
 
20h 13m 32.21s +39 11' 59.1" P.A. 256 sep 26.6 mag 11.00,13.15
 
 
Coord 2000
20135+3912
Discov num
SEI1025
Comp
AC
Coord arcsec 2000
20 13 32.21 +39 11 59.1
Date first
1913
Date last
2015
Obs
10
Pa first
253
Pa last
256
P.A. Now (θ)
256°
Sep first
24.0
Sep last
26.6
Sep. Now (ρ)
26.6"
Mag pri
11.00
Mag sec
13.15
delta mag (ΔM)
2.15
Spectral class
Pri motion ra
-006
Sec motion ra
-009
Pri motion dec
-003
Sec motion dec
+004
Notes
rPM=0.773
Nature of this double is uncertain.
 
 
20135+3912 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20135+3912 SEI1025 AB 1896 2015 16 168 5.7 10.70 10.80 0.10
Show 20135+3912 SEI1025 AC 1913 2015 10 256 26.6 11.00 13.15 2.15 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
255.7
Precise sep
26.57
Constellation
Cygnus
Gaia DR2
76585776256
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20135+3912 SEI1025 AC 1913 1 253 24.0 11.00 12.00 201332.31+391153.6
20135+3912 SEI1025 AC 1999 2 255 26.6 10.70 14.40 201332.21+391159.1
20135+3912 SEI1025 AC 2002 3 256 26.6 10.70 14.40 201332.21+391159.1
20135+3912 SEI1025 AC 2013 4 268 27.0 11.00 13.15 201332.21+391159.1
20135+3912 SEI1025 AC 2015 5 256 26.6 11.00 13.15 201332.21+391159.1

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