19404+2718 BUP9003AC

 
 
19h 40m 22.29s +27 18' 34.8" P.A. 350.00 sep 27.4 mag 13.20,13.80
 
 
Coord 2000
19404+2718
Discov num
BUP9003
Comp
AC
Coord arcsec 2000
19 40 22.29 +27 18 34.8
Date first
1910
Date last
2015
Obs
4
Pa first
351
Pa last
350
P.A. Now (θ)
350°
Sep first
25.3
Sep last
27.4
Sep. Now (ρ)
27.4"
Mag pri
13.20
Mag sec
13.80
delta mag (ΔM)
0.6
Spectral class
Pri motion ra
-024
Sec motion ra
+002
Pri motion dec
+023
Sec motion dec
+025
Notes
rPM=0.784
Nature of this double is uncertain.
 
 
19404+2718 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 87539 19 40 22 +27 18 35 BUP 9003 AB 1910 1 152 3.0 13.20 15.00 1.80
Show 87539 19 40 22 +27 18 35 BUP 9003 AC 2015 4 350 27.4 13.20 13.80 0.60 <===
Show 87539 19 40 22 +27 18 35 BUP 9003 AD 2015 4 156 7.1 13.20 12.90 0.30
Show 87539 19 40 22 +27 18 35 BUP 9003 AE 2015 5 313 141.8 13.20 9.00 4.20
Quintuple system
5 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
349.9
Precise sep
27.445
Constellation
Hydra
SAO
87539
Gaia DR2
2025121167963004544
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19404+2718 BUP9003 AC 2000 2 350 27.5 13.20 13.80 194022.29+271834.8
19404+2718 BUP9003 AC 2002 4 350 27.3 13.20 13.80 194022.29+271834.8
19404+2718 BUP9003 AC 2015 5 350 27.4 13.20 13.80 194022.29+271834.8

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