20338+2808 STF2698

 
 
20h 33m 45.57s +28 07' 34.3" P.A. 304 sep 4.5 mag 8.66,9.09 Sp A0
 
 
Coord 2000
20338+2808
Discov num
STF2698
Comp
Coord arcsec 2000
20 33 45.57 +28 07 34.3
Date first
1825
Date last
2017
Obs
55
Pa first
302
Pa last
304
P.A. Now (θ)
304°
Sep first
4.5
Sep last
4.5
Sep. Now (ρ)
4.5"
Mag pri
8.66
Mag sec
9.09
delta mag (ΔM)
0.43
Spectral class
A0 (white)
Pri motion ra
+062
Sec motion ra
+000
Pri motion dec
-034
Sec motion dec
+000
Notes
rPM=1
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
303.9
Precise sep
4.468
Constellation
Vulpecula
Tycho2
2169-01316-1
Gaia DR2
93825644288
HD
196021
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20338+2808 STF2698 2006 49 304 4.3 8.66 9.09 A0 D 203345.57+280734.3
20338+2808 STF2698 2009 51 303 4.4 8.66 9.09 A0 D 203345.57+280734.3
20338+2808 STF2698 2010 53 303 3.5 8.66 9.09 A0 203345.57+280734.3
20338+2808 STF2698 2017 55 304 4.5 8.66 9.09 A0 203345.57+280734.3

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