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
2
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
14.4
Precise sep
2.137
Cdsa2 id
HEI 913
Constellation
Cygnus
Ra deg
20.899591666666666
De deg
49.09927777777778
last precise pa
14.4
last precise sep
2.137
 
 
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

If you need more information about this double, apply for a data request form to the WDS.