20540+4905 HEI 913

 
 
20h 53m 58.53s +49 05' 57.4" P.A. 14 sep 2.1 mag 12.10,13.70
 
 
Coord 2000
20540+4905
Discov num
HEI 913
Comp
Coord arcsec 2000
20 53 58.53 +49 05 57.4
Date first
1997
Date last
2015
Obs
3
Pa first
23
Pa last
14
P.A. Now (θ)
14°
Sep first
1.6
Sep last
2.1
Sep. Now (ρ)
2.1"
Mag pri
12.10
Mag sec
13.70
delta mag (ΔM)
1.6
Spectral class
Pri motion ra
-005
Sec motion ra
Pri motion dec
-003
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
14.3
Precise sep
2.135
Constellation
Cygnus
Gaia DR2
2167324953802302848
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20540+4905 HEI 913 1997 1 23 1.6 11.20 11.80 205400.00+490500.0
20540+4905 HEI 913 2015 2 14 2.1 12.10 13.70 205358.53+490557.4

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