19458+2720 HEI 815AC

 
 
19h 45m 47.87s +27 20' 10.7" P.A. 79 sep 75.7 mag 11.93,13.28
 
 
Coord 2000
19458+2720
Discov num
HEI 815
Comp
AC
Coord arcsec 2000
19 45 47.87 +27 20 10.7
Date first
1907
Date last
2002
Obs
6
Pa first
80
Pa last
79
P.A. Now (θ)
79°
Sep first
76.5
Sep last
75.7
Sep. Now (ρ)
75.7"
Mag pri
11.93
Mag sec
13.28
delta mag (ΔM)
1.35
Spectral class
Pri motion ra
+001
Sec motion ra
+001
Pri motion dec
-008
Sec motion dec
-010
Notes
rPM=0.199 (< 0.3, Physical double)
This double is physical.
 
 
19458+2720 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 19458+2720 HEI 815 AB 1970 2000 4 297 1.8 11.93 12.80 0.87
Show 19458+2720 HEI 815 AC 1907 2002 6 79 75.7 11.93 13.28 1.35 <===
Show 19458+2720 HEI 815 CD 1970 2002 5 307 3.8 13.28 14.20 0.92
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
79.2
Precise sep
75.656
Constellation
Vulpecula
Tycho2
2147-01348-1
last precise pa
79.2
last precise sep
75.656
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19458+2720 HEI 815 AC 1999 5 79 75.7 11.93 13.28 D 194547.87+272010.7
19458+2720 HEI 815 AC 2002 6 79 75.7 11.93 13.28 D 194547.87+272010.7

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