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
Cdsa2 id
HEI 815 AB
Constellation
Vulpecula
Ra deg
19.76329722222222
De deg
27.336305555555555
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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