20262+3547 SEI1125AB

 
 
20h 26m 11.30s +35 47' 17.1" P.A. 248 sep 19.3 mag 8.82,12.43 Sp A0 dist. 425.53 pc (1388.08 l.y.)
 
 
Coord 2000
20262+3547
Discov num
SEI1125
Comp
AB
Coord arcsec 2000
20 26 11.30 +35 47 17.1
Date first
1896
Date last
2013
Obs
7
Pa first
250
Pa last
248
P.A. Now (θ)
248°
Sep first
18.9
Sep last
19.3
Sep. Now (ρ)
19.3"
Mag pri
8.82
Mag sec
12.43
delta mag (ΔM)
3.61
Spectral class
A0 (white)
Pri motion ra
+001
Sec motion ra
+001
Pri motion dec
-003
Sec motion dec
-002
Notes
rPM=0.316
Nature of this double is uncertain.
 
 
20262+3547 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20262+3547 COU2130 Aa,Ab 1982 1992 10 63 0.2 8.96 9.85 0.89
Show 20262+3547 SEI1125 AB 1896 2013 7 248 19.3 8.82 12.43 3.61 <===
Triple system
2 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
248.4
Precise sep
19.3
Constellation
Cygnus
SAO
70016
HIP
100791
Tycho2
2697-01446-1
Gaia DR2
19787084288
HD
194760
BD
BD+35 4115
Distance
425.53
Distance ly
1388.08
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20262+3547 SEI1125 AB 1999 5 250 19.0 8.70 11.50 A0 D 202611.30+354717.1
20262+3547 SEI1125 AB 2002 6 250 19.1 8.70 11.50 A0 D 202611.30+354717.1
20262+3547 SEI1125 AB 2013 7 248 19.3 8.82 12.43 A0 202611.30+354717.1

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