19496+3939 HJ 2903AB

 
 
19h 49m 38.37s +39 38' 47.5" P.A. 150 sep 6.3 mag 9.32,12.80 Sp G0
 
 
Coord 2000
19496+3939
Discov num
HJ 2903
Comp
AB
Coord arcsec 2000
19 49 38.37 +39 38 47.5
Date first
1831
Date last
2002
Obs
9
Pa first
159
Pa last
150
P.A. Now (θ)
150°
Sep first
8.0
Sep last
6.3
Sep. Now (ρ)
6.3"
Mag pri
9.32
Mag sec
12.80
delta mag (ΔM)
3.48
Spectral class
G0 (yellow)
Pri motion ra
-015
Sec motion ra
-018
Pri motion dec
-036
Sec motion dec
-023
Notes
N (See Notes)
rPM=0.342
Nature of this double is uncertain.
 
 
19496+3939 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 19496+3939 HJ 2903 AB 1831 2002 9 150 6.3 9.32 12.80 3.48 <===
Show 19496+3939 SKF 84 AC 1998 2002 2 127 10.7 9.30 14.90 5.60
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
150.2
Precise sep
6.314
Constellation
Cygnus
last precise pa
150.2
last precise sep
6.314
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19496+3939 HJ 2903 AB 1998 8 150 6.5 9.32 12.80 G0 D 194938.37+393847.5
19496+3939 HJ 2903 AB 2002 9 150 6.3 9.32 12.80 G0 D 194938.37+393847.5

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