19478+4858 HU  683

 
 
19h 47m 49.71s +48 57' 48.1" P.A. 276 sep 1.5 mag 9.89,13.90 Sp A0
 
 
Coord 2000
19478+4858
Discov num
HU  683
Comp
Coord arcsec 2000
19 47 49.71 +48 57 48.1
Date first
1904
Date last
1997
Obs
3
Pa first
270
Pa last
276
P.A. Now (θ)
276°
Sep first
1.3
Sep last
1.5
Sep. Now (ρ)
1.5"
Mag pri
9.89
Mag sec
13.90
delta mag (ΔM)
4.01
Spectral class
A0 (white)
Pri motion ra
+010
Sec motion ra
Pri motion dec
+001
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
275.8
Precise sep
1.54
Constellation
Cygnus
last precise pa
275.8
last precise sep
1.54
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19478+4858 HU 683 1997 3 276 1.5 9.89 13.90 A0 194749.71+485748.1

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