19438+3819 STT 384AB

 
 
19h 43m 47.09s +38 19' 20.5" P.A. 197 sep 1 mag 7.59,8.23 Sp B5V dist. 675.68 pc (2204.07 l.y.)
 
 
Coord 2000
19438+3819
Discov num
STT 384
Comp
AB
Coord arcsec 2000
19 43 47.09 +38 19 20.5
Date first
1843
Date last
2014
Obs
87
Pa first
197
Pa last
197
P.A. Now (θ)
197°
Sep first
0.8
Sep last
1.0
Sep. Now (ρ)
1"
Mag pri
7.59
Mag sec
8.23
delta mag (ΔM)
0.64
Spectral class
B5V (blue-white)
Pri motion ra
+002
Sec motion ra
+002
Pri motion dec
+000
Sec motion dec
+000
Notes
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 68767 19438+3819 STT 384 AB 1843 2014 87 197 1.0 7.59 8.23 0.64 <===
Show 68767 19438+3819 STT 384 AC 1856 2011 17 296 59.1 7.59 9.76 2.17
Show 68767 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
196.6
Precise sep
1.045
Constellation
Cygnus
SAO
68767
HIP
97083
Tycho2
3136-00794-1
HD
186605
BD
BD+37 3582
Distance
675.68
Distance ly
2204.07
last precise pa
196.6
last precise sep
1.045
 
 
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 AB 2005 93 197 1.0 7.59 8.23 B5V D 194347.09+381920.5
19438+3819 STT 384 AB 2007 95 196 1.0 7.59 8.23 B5V D 194347.09+381920.5
19438+3819 STT 384 AB 2009 96 196 1.0 7.59 8.23 B5V D 194347.09+381920.5
19438+3819 STT 384 AB 2011 97 196 1.0 7.59 8.23 B5V D 194347.09+381920.5
19438+3819 STT 384 AB 2014 84 198 1.1 7.59 8.23 B5V D 194347.09+381920.5

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