19458+2720 HEI 815CD

 
 
19h 45m 53.42s +27 20' 25.0" P.A. 307 sep 3.8 mag 13.28,14.20
 
 
Coord 2000
19458+2720
Discov num
HEI 815
Comp
CD
Coord arcsec 2000
19 45 53.42 +27 20 25.0
Date first
1970
Date last
2002
Obs
5
Pa first
306
Pa last
307
P.A. Now (θ)
307°
Sep first
3.8
Sep last
3.8
Sep. Now (ρ)
3.8"
Mag pri
13.28
Mag sec
14.20
delta mag (ΔM)
0.92
Spectral class
Pri motion ra
+001
Sec motion ra
Pri motion dec
-010
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
307.3
Precise sep
3.795
Constellation
Vulpecula
last precise pa
307.3
last precise sep
3.795
 
 
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 CD 1999 4 307 3.9 13.28 14.20 D 194553.42+272025.0
19458+2720 HEI 815 CD 2002 5 307 3.8 13.28 14.20 D 194553.42+272025.0

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