17272-1209 HU  175

 
 
17h 27m 10.26s -12 08' 46.9" P.A. 69 sep 4.5 mag 9.97,13.70 Sp F6V
 
 
Coord 2000
17272-1209
Discov num
HU  175
Comp
Coord arcsec 2000
17 27 10.26 -12 08 46.9
Date first
1900
Date last
2000
Obs
5
Pa first
68
Pa last
69
P.A. Now (θ)
69°
Sep first
4.6
Sep last
4.5
Sep. Now (ρ)
4.5"
Mag pri
9.97
Mag sec
13.70
delta mag (ΔM)
3.73
Spectral class
F6V (yellow-white)
Pri motion ra
-031
Sec motion ra
Pri motion dec
+012
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
68.7
Precise sep
4.487
Constellation
Serpens
SAO
160555
Tycho2
5666-00852-1
HD
158001
last precise pa
68.7
last precise sep
4.487
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17272-1209 HU 175 1998 4 67 4.1 9.97 13.70 F6V D 172710.26-120846.9
17272-1209 HU 175 2000 5 69 4.5 9.97 13.70 F6V D 172710.26-120846.9
17272-1209 HU 175 2010 6 78 3.9 9.97 13.70 F6V 172710.26-120846.9

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