20300+3333 HEI 584

 
 
20h 30m 02.31s +33 33' 26.8" P.A. 45.00 sep 3.4 mag 10.60,11.70
 
 
Coord 2000
20300+3333
Discov num
HEI 584
Comp
Coord arcsec 2000
20 30 02.31 +33 33 26.8
Date first
1982
Date last
2015
Obs
5
Pa first
46
Pa last
45
P.A. Now (θ)
45°
Sep first
3.4
Sep last
3.4
Sep. Now (ρ)
3.4"
Mag pri
10.60
Mag sec
11.70
delta mag (ΔM)
1.1
Spectral class
Pri motion ra
-007
Sec motion ra
Pri motion dec
-012
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
44.5
Precise sep
3.398
Constellation
Cygnus
Tycho2
2689-00244-1
Gaia DR2
49781369472
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20300+3333 HEI 584 2005 4 44 3.4 10.60 11.70 203002.31+333326.8
20300+3333 HEI 584 2015 5 45 3.4 10.60 11.70 203002.31+333326.8

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