19413+3043 BU  145AD

 
 
19h 41m 15.48s +30 43' 16.8" P.A. 156 sep 26.3 mag 7.40,11.87 Sp A3V
 
 
Coord 2000
19413+3043
Discov num
BU  145
Comp
AD
Coord arcsec 2000
19 41 15.48 +30 43 16.8
Date first
1873
Date last
2002
Obs
13
Pa first
175
Pa last
156
P.A. Now (θ)
156°
Sep first
20.0
Sep last
26.3
Sep. Now (ρ)
26.3"
Mag pri
7.40
Mag sec
11.87
delta mag (ΔM)
4.47
Spectral class
A3V (white)
Pri motion ra
+000
Sec motion ra
+000
Pri motion dec
-001
Sec motion dec
+001
Notes
rPM=2
This double is not physical.
 
 
19413+3043 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 19413+3043 BU 145 AB 1873 2009 27 272 0.8 7.40 9.09 1.69
Show 19413+3043 BU 145 AC 1878 1998 12 29 7.3 7.40 13.50 6.10
Show 19413+3043 BU 145 AD 1873 2002 13 156 26.3 7.40 11.87 4.47 <===
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
155.8
Precise sep
26.275
Constellation
Cygnus
last precise pa
155.8
last precise sep
26.275
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19413+3043 BU 145 AD 1998 12 156 26.8 7.40 11.30 A3V D 194115.48+304316.8
19413+3043 BU 145 AD 2002 13 156 26.3 7.40 11.30 A3V D 194115.48+304316.8

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