20093+3529 SEI 923AC

 
 
20h 09m 14.32s +35 29' 01.9" P.A. 93.00 sep 37.4 mag 7.78,11.26 Sp B0.5IV dist. 387.6 pc (1264.35 l.y.)
 
 
Coord 2000
20093+3529
Discov num
SEI 923
Comp
AC
Coord arcsec 2000
20 09 14.32 +35 29 01.9
Date first
1896
Date last
2016
Obs
13
Pa first
93
Pa last
93
P.A. Now (θ)
93°
Sep first
37.5
Sep last
37.4
Sep. Now (ρ)
37.4"
Mag pri
7.78
Mag sec
11.26
delta mag (ΔM)
3.48
Spectral class
B0.5IV (blue-white)
Pri motion ra
-003
Sec motion ra
-002
Pri motion dec
-005
Sec motion dec
-007
Notes
rPM=0.307
Nature of this double is uncertain.
 
 
20093+3529 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 69512 20093+3529 STF2639 AB 1825 2018 57 302 5.8 7.78 8.67 0.89
Show 69512 20093+3529 SEI 923 AC 1896 2016 13 93 37.4 7.78 11.26 3.48 <===
Show 69512 20093+3529 SEI 924 CD 1895 2016 16 207 27.8 11.26 11.61 0.35
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
92.9
Precise sep
37.4
Constellation
Cygnus
SAO
69512
HIP
99283
Tycho2
2679-00447-1
Gaia DR2
07537751680
HD
191566
BD
BD+35 3994
Distance
387.6
Distance ly
1264.35
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20093+3529 SEI 923 AC 2002 6 93 38.1 7.78 9.70 B0.5IV D 200914.32+352901.9
20093+3529 SEI 923 AC 2016 8 93 37.4 7.78 11.26 B0.5IV 200914.32+352901.9

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