17457-4655 I   248AB

 
 
17h 45m 43.15s -46 55' 08.5" P.A. 127 sep 1.9 mag 7.80,9.68 Sp A0/1V
 
 
Coord 2000
17457-4655
Discov num
I   248
Comp
AB
Coord arcsec 2000
17 45 43.15 -46 55 08.5
Date first
1897
Date last
1991
Obs
10
Pa first
120
Pa last
127
P.A. Now (θ)
127°
Sep first
2.0
Sep last
1.9
Sep. Now (ρ)
1.9"
Mag pri
7.80
Mag sec
9.68
delta mag (ΔM)
1.88
Spectral class
A0/1V (white)
Pri motion ra
+011
Sec motion ra
+011
Pri motion dec
-012
Sec motion dec
-012
Notes
Nature of this double is uncertain.
 
 
17457-4655 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 228382 17457-4655 I 248 AB 1897 1991 10 127 1.9 7.80 9.68 1.88 <===
Show 228382 17457-4655 I 248 AC 1900 2001 4 7 42.2 7.80 12.85 5.05
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
127.3
Precise sep
1.922
Constellation
Ara
SAO
228382
Tycho2
8347-00398-1
HD
161065
last precise pa
127.3
last precise sep
1.922
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17457-4655 I 248 AB 1991 10 127 1.9 7.80 9.68 A0/1V 174543.15-465508.5

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