19046+2320 STF2445AB

 
 
19h 04m 38.50s +23 19' 45.5" P.A. 262 sep 12.3 mag 7.25,8.57 Sp B2Ve dist. 476.19 pc (1553.33 l.y.)
 
 
Coord 2000
19046+2320
Discov num
STF2445
Comp
AB
Coord arcsec 2000
19 04 38.50 +23 19 45.5
Date first
1830
Date last
2012
Obs
60
Pa first
261
Pa last
262
P.A. Now (θ)
262°
Sep first
15.0
Sep last
12.3
Sep. Now (ρ)
12.3"
Mag pri
7.25
Mag sec
8.57
delta mag (ΔM)
1.32
Spectral class
B2Ve (blue-white)
Pri motion ra
+002
Sec motion ra
+004
Pri motion dec
-005
Sec motion dec
-005
Notes
Z (Parallax indicates components are physical)
rPM=0.312
This double is physical.
 
 
19046+2320 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 86774 19046+2320 STF2445 AB 1830 2012 60 262 12.3 7.25 8.57 1.32 <===
Show 86774 19046+2320 STF2445 AC 1889 2012 20 109 144.2 7.25 8.46 1.21
Show 86774 19046+2320 SLE1030 AD 1991 2012 5 118 56.2 7.25 11.19 3.94
Show 86774 19046+2320 STF2445 BC 1889 2012 17 107 154.8 8.57 8.46 0.11
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
262.1
Precise sep
12.34
Constellation
Vulpecula
SAO
86774
HIP
93680
Tycho2
2122-00635-1
HD
177648
BD
BD+23 3549
Distance
476.19
Distance ly
1553.33
last precise pa
262.1
last precise sep
12.34
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19046+2320 STF2445 AB 2005 56 262 12.5 7.25 8.57 B2Ve ZD 190438.50+231945.5
19046+2320 STF2445 AB 2009 57 262 12.3 7.25 8.57 B2Ve ZD 190438.50+231945.5
19046+2320 STF2445 AB 2012 60 262 12.3 7.25 8.57 B2Ve ZD 190438.50+231945.5

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