20349+4143 STU  13

 
 
20h 34m 56.52s +41 43' 04.1" P.A. 196 sep 27.2 mag 7.57,10.13 Sp B9
 
 
Coord 2000
20349+4143
Discov num
STU  13
Comp
Coord arcsec 2000
20 34 56.52 +41 43 04.1
Date first
1892
Date last
2014
Obs
16
Pa first
197
Pa last
196
P.A. Now (θ)
196°
Sep first
27.0
Sep last
27.2
Sep. Now (ρ)
27.2"
Mag pri
7.57
Mag sec
10.13
delta mag (ΔM)
2.56
Spectral class
B9 (blue-white)
Pri motion ra
+008
Sec motion ra
+007
Pri motion dec
+004
Sec motion dec
+002
Notes
rPM=0.25 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
196.1
Precise sep
27.196
Constellation
Cygnus
SAO
49828
Tycho2
3161-00880-1
Gaia DR2
96326278272
HD
196305
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20349+4143 STU 13 2003 10 196 27.7 7.57 10.13 D 203456.52+414304.1
20349+4143 STU 13 2009 11 196 27.3 7.57 10.13 D 203456.52+414304.1
20349+4143 STU 13 2010 13 196 27.1 7.57 10.13 B9 203456.52+414304.1
20349+4143 STU 13 2014 16 196 27.2 7.57 10.13 B9 203456.52+414304.1

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