20438+4921 HEI 911

 
 
20h 43m 43.87s +49 19' 28.9" P.A. 125 sep 2.4 mag 12.40,13.10
 
 
Coord 2000
20438+4921
Discov num
HEI 911
Comp
Coord arcsec 2000
20 43 43.87 +49 19 28.9
Date first
1997
Date last
2015
Obs
2
Pa first
146
Pa last
125
P.A. Now (θ)
125°
Sep first
2.5
Sep last
2.4
Sep. Now (ρ)
2.4"
Mag pri
12.40
Mag sec
13.10
delta mag (ΔM)
0.7
Spectral class
Pri motion ra
-005
Sec motion ra
Pri motion dec
+002
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Cygnus
last precise pa
125.3
last precise sep
2.382
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20438+4921 HEI 911 1997 1 146 2.5 11.60 11.80 204307.50+492100.0
20438+4921 HEI 911 2015 2 125 2.4 12.40 13.10 204343.87+491928.9

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