20044+3947 ALI1133

 
 
20h 04m 22.79s +39 47' 11.8" P.A. 346 sep 13.1 mag 11.88,13.20 Sp F2
 
 
Coord 2000
20044+3947
Discov num
ALI1133
Comp
Coord arcsec 2000
20 04 22.79 +39 47 11.8
Date first
1928
Date last
2015
Obs
9
Pa first
350
Pa last
346
P.A. Now (θ)
346°
Sep first
14.1
Sep last
13.1
Sep. Now (ρ)
13.1"
Mag pri
11.88
Mag sec
13.20
delta mag (ΔM)
1.32
Spectral class
F2 (yellow-white)
Pri motion ra
+000
Sec motion ra
-006
Pri motion dec
-001
Sec motion dec
-011
Notes
rPM=0.931
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
345.7
Precise sep
13.061
Constellation
Cygnus
Tycho2
3154-03544-1
Gaia DR2
36127136000
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20044+3947 ALI1133 1998 2 346 13.2 11.88 13.20 D 200422.79+394711.8
20044+3947 ALI1133 2002 3 346 13.2 11.88 13.20 D 200422.79+394711.8
20044+3947 ALI1133 2010 4 345 12.6 11.88 13.20 F2 200422.79+394711.8
20044+3947 ALI1133 2015 5 346 13.1 11.88 13.20 F2 200422.79+394711.8

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