17451-5408 R   303

 
 
17h 45m 03.31s -54 08' 02.5" P.A. 108 sep 3.6 mag 7.94,9.00 Sp A1Vp+A1V
 
 
Coord 2000
17451-5408
Discov num
R   303
Comp
Coord arcsec 2000
17 45 03.31 -54 08 02.5
Date first
1880
Date last
2016
Obs
15
Pa first
110
Pa last
108
P.A. Now (θ)
108°
Sep first
2.5
Sep last
3.6
Sep. Now (ρ)
3.6"
Mag pri
7.94
Mag sec
9.00
delta mag (ΔM)
1.06
Spectral class
A1Vp+A1V (white/white)
Pri motion ra
+015
Sec motion ra
Pri motion dec
-018
Sec motion dec
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
108.2
Precise sep
3.57
Constellation
Ara
Tycho2
8729-02703-1
HD
160818
last precise pa
108.2
last precise sep
3.57
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17451-5408 R 303 1999 14 101 2.7 7.94 9.00 A1Vp A1V N D 174503.31-540802.5
17451-5408 R 303 2016 15 108 3.6 7.94 9.00 A1Vp+A1V N 174503.31-540802.5

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