19413+3043 BU  145AC

 
 
19h 41m 15.48s +30 43' 16.8" P.A. 28 sep 7.9 mag 7.40,13.50 Sp A3V dist. 757.58 pc (2471.23 l.y.)
 
 
Coord 2000
19413+3043
Discov num
BU  145
Comp
AC
Coord arcsec 2000
19 41 15.48 +30 43 16.8
Date first
1878
Date last
2015
Obs
13
Pa first
33
Pa last
28
P.A. Now (θ)
28°
Sep first
8.5
Sep last
7.9
Sep. Now (ρ)
7.9"
Mag pri
7.40
Mag sec
13.50
delta mag (ΔM)
6.1
Spectral class
A3V (white)
Pri motion ra
-001
Sec motion ra
Pri motion dec
-001
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
19413+3043 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 68695 19413+3043 BU 145 AB 1873 2009 27 272 0.8 7.40 9.09 1.69
Show 68695 19413+3043 BU 145 AC 1878 2015 13 28 7.9 7.40 13.50 6.10 <===
Show 68695 19413+3043 BU 145 AD 1873 2015 14 156 26.7 7.40 11.87 4.47
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
28
Precise sep
7.905
Constellation
Cygnus
SAO
68695
HIP
96858
Tycho2
2656-05255-1
Gaia DR2
2032917942356004736
HD
186097
BD
BD+30 3692
Distance
757.58
Distance ly
2471.23
 
 
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 AC 1998 12 29 7.3 7.40 13.50 A3V D 194115.48+304316.8
19413+3043 BU 145 AC 2015 13 28 7.9 7.40 13.50 A3V 194115.48+304316.8

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