17555-4759 B  1873

 
 
17h 55m 31.08s -47 58' 44.3" P.A. 342 sep 0.2 mag 8.80,9.20 Sp A0V
 
 
Coord 2000
17555-4759
Discov num
B  1873
Comp
Coord arcsec 2000
17 55 31.08 -47 58 44.3
Date first
1931
Date last
2010
Obs
7
Pa first
174
Pa last
342
P.A. Now (θ)
342°
Sep first
0.3
Sep last
0.2
Sep. Now (ρ)
0.2"
Mag pri
8.80
Mag sec
9.20
delta mag (ΔM)
0.4
Spectral class
A0V (white)
Pri motion ra
+003
Sec motion ra
Pri motion dec
-023
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
342.3
Precise sep
0.173
Cdsa2 id
B 1873
Constellation
Ara
SAO
228543
Tycho2
8348-02326-1
HD
162842
Ra deg
17.9253
De deg
-47.978972222222225
last precise pa
342.3
last precise sep
0.173
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17555-4759 B 1873 1990 5 35 0.1 8.80 9.20 A0V 175531.08-475844.3
17555-4759 B 1873 2008 6 170 0.2 8.80 9.20 A0V 175531.08-475844.3
17555-4759 B 1873 2010 7 342 0.2 8.80 9.20 A0V 175531.08-475844.3

If you need more information about this double, apply for a data request form to the WDS.
 
 
WDS 17555-4759 B 1873 : NOTES
 
 
No records found.

 
 
DISCOVERER
 
 
discov author
B van den Bos, W.H.
B van den Bos, W.H. (in Voute et al.)

 
 
WDS 17555-4759 B 1873 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 17555-4759 B 1873 : MEASURES
 
 
No records found.

 
 
WDS 17555-4759 B 1873 : Virtual Eyepiece
 
 

17555-4759  B  1873 A 17555-4759  B  1873 sep 0.2 P.A. 342 mag 8.80,9.20 Sp A0V virtual eyepiece
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.

Radius:
 
 
WDS 17555-4759 B 1873 : Aladin DSS image @ 17h 55m 31.08s -47 58' 44.3"