19458+2720 HEI 815AB

 
 
19h 45m 47.87s +27 20' 10.7" P.A. 297 sep 1.8 mag 11.93,12.80
 
 
Coord 2000
19458+2720
Discov num
HEI 815
Comp
AB
Coord arcsec 2000
19 45 47.87 +27 20 10.7
Date first
1970
Date last
2000
Obs
4
Pa first
292
Pa last
297
P.A. Now (θ)
297°
Sep first
1.9
Sep last
1.8
Sep. Now (ρ)
1.8"
Mag pri
11.93
Mag sec
12.80
delta mag (ΔM)
0.87
Spectral class
Pri motion ra
+005
Sec motion ra
Pri motion dec
-012
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
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
296.5
Precise sep
1.81
Constellation
Vulpecula
Tycho2
2147-01348-1
last precise pa
296.5
last precise sep
1.81
 
 
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 AB 1984 3 292 1.9 11.93 12.80 194547.87+272010.7
19458+2720 HEI 815 AB 2000 4 297 1.8 11.93 12.80 194547.87+272010.7

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