20349+3849 SEI1176

 
 
20h 34m 51.75s +38 48' 55.0" P.A. 11 sep 19.9 mag 9.58,10.94 Sp B8
 
 
Coord 2000
20349+3849
Discov num
SEI1176
Comp
Coord arcsec 2000
20 34 51.75 +38 48 55.0
Date first
1895
Date last
2015
Obs
13
Pa first
11
Pa last
11
P.A. Now (θ)
11°
Sep first
19.4
Sep last
19.9
Sep. Now (ρ)
19.9"
Mag pri
9.58
Mag sec
10.94
delta mag (ΔM)
1.36
Spectral class
B8 (blue-white)
Pri motion ra
+002
Sec motion ra
+008
Pri motion dec
+004
Sec motion dec
+007
Notes
rPM=0.631
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
11.2
Precise sep
19.94
Constellation
Cygnus
SAO
70226
Tycho2
3153-00837-1
Gaia DR2
84999374976
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20349+3849 SEI1176 1998 6 11 20.1 9.58 10.70 B8 D 203451.75+384855.0
20349+3849 SEI1176 2002 7 11 19.9 9.58 10.70 B8 D 203451.75+384855.0
20349+3849 SEI1176 2013 8 11 19.8 9.58 10.94 B8 203451.75+384855.0
20349+3849 SEI1176 2015 13 11 19.9 9.58 10.94 B8 203451.75+384855.0

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