17417-4604 SWR 228

17h 41m 44.24s -46 03' 48.3" P.A. 100 sep 23.6 mag 11.24,11.19 Sp A2V+A2V

Coord 2000
17417-4604
Discov num
SWR 228
Comp
Coord arcsec 2000
17 41 44.24 -46 03 48.3
Date first
1904
Date last
2010
Obs
9
Pa first
101
Pa last
100
P.A. Now (θ)
100°
Sep first
23.8
Sep last
23.6
Sep. Now (ρ)
23.6"
Mag pri
11.24
Mag sec
11.19
delta mag (ΔM)
0.05
Spectral class
A2V+A2V (white/white)
Pri motion ra
-003
Sec motion ra
+002
Pri motion dec
+000
Sec motion dec
-008
Notes
N V (See Notes, Proper motion indicates physical)


rPM=1.144

This double is physical.



OTHER CATALOGS AND DESIGNATIONS

Precise pa
99.6
Precise sep
23.64
Constellation
Ara
Tycho2
8343-01582-1
last precise pa
99.6
last precise sep
23.64




WDS HISTORIC DATA

coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17417-4604 SWR 228 1999 5 100 23.7 11.30 11.40 A2V A2V N D 174144.24-460348.3
17417-4604 SWR 228 2010 9 100 23.6 11.24 11.19 A2V+A2V NV 174144.24-460348.3

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