20139+3439 SEI1027

 
 
20h 13m 54.72s +34 38' 55.4" P.A. 10.00 sep 28.7 mag 10.15,12.31 Sp G5IV
 
 
Coord 2000
20139+3439
Discov num
SEI1027
Comp
Coord arcsec 2000
20 13 54.72 +34 38 55.4
Date first
1896
Date last
2015
Obs
13
Pa first
11
Pa last
10
P.A. Now (θ)
10°
Sep first
27.5
Sep last
28.7
Sep. Now (ρ)
28.7"
Mag pri
10.15
Mag sec
12.31
delta mag (ΔM)
2.16
Spectral class
G5IV (yellow)
Pri motion ra
+005
Sec motion ra
-002
Pri motion dec
-013
Sec motion dec
+001
Notes
rPM=1.124
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
9.9
Precise sep
28.676
Constellation
Cygnus
Tycho2
2679-00800-1
Gaia DR2
48534504704
HD
228441
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20139+3439 SEI1027 1999 5 10 28.5 10.15 12.10 D 201354.72+343855.4
20139+3439 SEI1027 2002 6 10 28.5 10.15 12.10 D 201354.72+343855.4
20139+3439 SEI1027 2011 7 10 28.6 10.15 12.10 D 201354.72+343855.4
20139+3439 SEI1027 2015 9 10 28.7 10.15 12.31 G5IV 201354.72+343855.4

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