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
SAO
48848
Tycho2
3565-01314-1
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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