19423-5257 COO 238

 
 
19h 42m 15.86s -52 56' 57.0" P.A. 46 sep 3.5 mag 7.70,9.30 Sp A6/7V
 
 
Coord 2000
19423-5257
Discov num
COO 238
Comp
Coord arcsec 2000
19 42 15.86 -52 56 57.0
Date first
1871
Date last
2016
Obs
27
Pa first
54
Pa last
46
P.A. Now (θ)
46°
Sep first
3.6
Sep last
3.5
Sep. Now (ρ)
3.5"
Mag pri
7.70
Mag sec
9.30
delta mag (ΔM)
1.6
Spectral class
A6/7V (white)
Pri motion ra
+019
Sec motion ra
+019
Pri motion dec
-045
Sec motion dec
-045
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
45.6
Precise sep
3.47
Constellation
Telescopium
Tycho2
8774-00263-1
HD
185559
last precise pa
45.6
last precise sep
3.47
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19423-5257 COO 238 1992 25 47 3.4 7.70 9.30 A6/7V D 194215.86-525657.0
19423-5257 COO 238 1998 26 48 3.3 7.70 9.30 A6/7V D 194215.86-525657.0
19423-5257 COO 238 2016 27 46 3.5 7.70 9.30 A6/7V 194215.86-525657.0

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