17398-1244 ALD  65

 
 
17h 39m 50.50s -12 44' 27.9" P.A. 195 sep 2.6 mag 10.20,11.20 Sp B9IV/V
 
 
Coord 2000
17398-1244
Discov num
ALD  65
Comp
Coord arcsec 2000
17 39 50.50 -12 44 27.9
Date first
1927
Date last
2001
Obs
3
Pa first
191
Pa last
195
P.A. Now (θ)
195°
Sep first
2.6
Sep last
2.6
Sep. Now (ρ)
2.6"
Mag pri
10.20
Mag sec
11.20
delta mag (ΔM)
1
Spectral class
B9IV/V (blue-white)
Pri motion ra
+009
Sec motion ra
Pri motion dec
+017
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Serpens
SAO
160730
Tycho2
5668-00143-1
HD
160331
last precise pa
195
last precise sep
2.64
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17398-1244 ALD 65 2001 3 195 2.6 10.20 11.20 B9IV/V 173950.50-124427.9

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