18162-4304 LDS 631

 
 
18h 16m 13.55s -43 05' 02.1" P.A. 273 sep 16.1 mag 11.97,13.70
 
 
Coord 2000
18162-4304
Discov num
LDS 631
Comp
Coord arcsec 2000
18 16 13.55 -43 05 02.1
Date first
1920
Date last
2010
Obs
4
Pa first
315
Pa last
273
P.A. Now (θ)
273°
Sep first
17.0
Sep last
16.1
Sep. Now (ρ)
16.1"
Mag pri
11.97
Mag sec
13.70
delta mag (ΔM)
1.73
Spectral class
Pri motion ra
+031
Sec motion ra
+063
Pri motion dec
-078
Sec motion dec
-062
Notes
rPM=0.405
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
273.2
Precise sep
16.12
Cdsa2 id
LDS 631
Constellation
Corona Austrina
Tycho2
7908-01391-1
Ra deg
18.270430555555553
De deg
-43.08391666666667
last precise pa
273.2
last precise sep
16.12
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18162-4304 LDS 631 1920 1 315 17.0 12.18 14.20 181613.53-430502.1
18162-4304 LDS 631 1999 3 274 16.1 11.97 13.70 181613.55-430502.1
18162-4304 LDS 631 2010 4 274 16.0 11.97 13.70 181613.55-430502.1

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