19438+3819 STT 384AC

 
 
19h 43m 47.09s +38 19' 20.5" P.A. 296 sep 59.1 mag 7.59,9.76 Sp B5V
 
 
Coord 2000
19438+3819
Discov num
STT 384
Comp
AC
Coord arcsec 2000
19 43 47.09 +38 19 20.5
Date first
1856
Date last
2011
Obs
17
Pa first
298
Pa last
296
P.A. Now (θ)
296°
Sep first
58.5
Sep last
59.1
Sep. Now (ρ)
59.1"
Mag pri
7.59
Mag sec
9.76
delta mag (ΔM)
2.17
Spectral class
B5V (blue-white)
Pri motion ra
+001
Sec motion ra
+000
Pri motion dec
-001
Sec motion dec
-002
Notes
rPM=0.707
Nature of this double is uncertain.
 
 
19438+3819 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 19438+3819 STT 384 AB 1843 2014 87 197 1.0 7.59 8.23 0.64
Show 19438+3819 STT 384 AC 1856 2011 17 296 59.1 7.59 9.76 2.17 <===
Show 19438+3819 STT 384 AD 1991 2011 4 293 115.6 7.59 10.82 3.23
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
296.2
Precise sep
59.1
Constellation
Cygnus
Tycho2
3136-00794-1
HD
186605
last precise pa
296.2
last precise sep
59.1
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19438+3819 STT 384 AC 2006 14 297 59.3 7.59 9.76 B5V D 194347.09+381920.5
19438+3819 STT 384 AC 2008 15 297 59.3 7.59 9.76 B5V D 194347.09+381920.5
19438+3819 STT 384 AC 2011 16 296 59.1 7.59 9.76 B5V D 194347.09+381920.5

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