17422-1544 HU  184

 
 
17h 42m 13.76s -15 43' 32.0" P.A. 274 sep 4.5 mag 9.24,10.02 Sp A0IV/V
 
 
Coord 2000
17422-1544
Discov num
HU  184
Comp
Coord arcsec 2000
17 42 13.76 -15 43 32.0
Date first
1895
Date last
2010
Obs
20
Pa first
274
Pa last
274
P.A. Now (θ)
274°
Sep first
4.1
Sep last
4.5
Sep. Now (ρ)
4.5"
Mag pri
9.24
Mag sec
10.02
delta mag (ΔM)
0.78
Spectral class
A0IV/V (white)
Pri motion ra
+051
Sec motion ra
+001
Pri motion dec
-006
Sec motion dec
-004
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Serpens
Tycho2
6248-00367-1
HD
160745
last precise pa
273.7
last precise sep
4.48
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17422-1544 HU 184 2000 18 274 4.4 9.24 10.02 A0IV/V D 174213.76-154332.0
17422-1544 HU 184 2010 19 274 4.4 9.24 10.02 A0IV/V D 174213.76-154332.0

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