20133+3905 SEI1017

 
 
20h 13m 15.56s +39 04' 39.0" P.A. 259 sep 28.3 mag 9.54,11.01 Sp A2V
 
 
Coord 2000
20133+3905
Discov num
SEI1017
Comp
Coord arcsec 2000
20 13 15.56 +39 04 39.0
Date first
1896
Date last
2015
Obs
14
Pa first
263
Pa last
259
P.A. Now (θ)
259°
Sep first
27.9
Sep last
28.3
Sep. Now (ρ)
28.3"
Mag pri
9.54
Mag sec
11.01
delta mag (ΔM)
1.47
Spectral class
A2V (white)
Pri motion ra
-003
Sec motion ra
-006
Pri motion dec
+000
Sec motion dec
-008
Notes
rPM=0.854
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
259.2
Precise sep
28.318
Constellation
Cygnus
SAO
69629
Tycho2
3151-00471-1
Gaia DR2
64422896896
HD
228374
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20133+3905 SEI1017 1999 7 260 28.4 9.54 12.00 A2V D 201315.56+390439.0
20133+3905 SEI1017 2002 8 259 28.1 9.54 12.00 A2V D 201315.56+390439.0
20133+3905 SEI1017 2010 9 259 28.3 9.54 11.01 A2V 201315.56+390439.0
20133+3905 SEI1017 2015 10 259 28.3 9.54 11.01 A2V 201315.56+390439.0

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