20271+4909 ES  802

 
 
20h 27m 04.56s +49 09' 24.6" P.A. 238 sep 5.1 mag 10.50,12.10 Sp F5
 
 
Coord 2000
20271+4909
Discov num
ES  802
Comp
Coord arcsec 2000
20 27 04.56 +49 09 24.6
Date first
1909
Date last
2015
Obs
9
Pa first
237
Pa last
238
P.A. Now (θ)
238°
Sep first
4.6
Sep last
5.1
Sep. Now (ρ)
5.1"
Mag pri
10.50
Mag sec
12.10
delta mag (ΔM)
1.6
Spectral class
F5 (yellow-white)
Pri motion ra
+039
Sec motion ra
-034
Pri motion dec
+063
Sec motion dec
+014
Notes
V (Proper motion indicates physical)
rPM=1.187
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
237.7
Precise sep
5.08
Constellation
Cygnus
Tycho2
3581-00487-1
Gaia DR2
47653132416
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20271+4909 ES 802 2000 2 237 5.1 10.50 12.10 F5 D 202704.56+490924.6
20271+4909 ES 802 2003 3 238 5.2 10.50 12.10 F5 D 202704.56+490924.6
20271+4909 ES 802 2010 4 236 5.1 10.50 12.10 F5 202704.56+490924.6
20271+4909 ES 802 2015 5 238 5.1 10.50 12.10 F5 V 202704.56+490924.6

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