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
 
 
Precise pa
125.3
Precise sep
2.382
Cdsa2 id
HEI 911
Constellation
Cygnus
Ra deg
20.728852777777774
De deg
49.32469444444445
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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