19575+2018 BU  425AD

 
 
19h 57m 32.28s +20 17' 40.1" P.A. 84 sep 30.4 mag 9.17,13.12 Sp B9
 
 
Coord 2000
19575+2018
Discov num
BU  425
Comp
AD
Coord arcsec 2000
19 57 32.28 +20 17 40.1
Date first
2000
Date last
2013
Obs
3
Pa first
84
Pa last
84
P.A. Now (θ)
84°
Sep first
29.8
Sep last
30.4
Sep. Now (ρ)
30.4"
Mag pri
9.17
Mag sec
13.12
delta mag (ΔM)
3.95
Spectral class
B9 (blue-white)
Pri motion ra
+004
Sec motion ra
+056
Pri motion dec
-001
Sec motion dec
+012
Notes
rPM=0.936
This double is not physical.
 
 
19575+2018 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 19575+2018 BU 425 AB 1876 2016 55 240 1.4 9.17 9.24 0.07
Show 19575+2018 BU 425 AC 1878 2013 13 42 23.0 9.17 12.61 3.44
Show 19575+2018 BU 425 AD 2000 2013 3 84 30.4 9.17 13.12 3.95 <===
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
84
Precise sep
30.4
Cdsa2 id
BU 425 AD
Constellation
Sagitta
Ra deg
19.958966666666665
De deg
20.294472222222225
last precise pa
84
last precise sep
30.4
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19575+2018 BU 425 AD 2000 1 84 29.8 9.17 13.12 B9 D 195732.28+201740.1
19575+2018 BU 425 AD 2001 2 84 29.7 9.17 13.12 B9 D 195732.28+201740.1
19575+2018 BU 425 AD 2013 3 84 30.4 9.17 13.12 B9 195732.28+201740.1

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