17318-1336 HU  178

 
 
17h 31m 51.00s -13 36' 07.3" P.A. 354.00 sep 2.3 mag 10.31,10.65 Sp G3V
 
 
Coord 2000
17318-1336
Discov num
HU  178
Comp
Coord arcsec 2000
17 31 51.00 -13 36 07.3
Date first
1900
Date last
2016
Obs
20
Pa first
357
Pa last
354
P.A. Now (θ)
354°
Sep first
2.6
Sep last
2.3
Sep. Now (ρ)
2.3"
Mag pri
10.31
Mag sec
10.65
delta mag (ΔM)
0.34
Spectral class
G3V (yellow)
Pri motion ra
-012
Sec motion ra
-015
Pri motion dec
-065
Sec motion dec
+011
Notes
rPM=1.151
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
353.6
Precise sep
2.306
Constellation
Serpens
Tycho2
5671-00619-1
Gaia DR2
4137655322691741696
HD
158812
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17318-1336 HU 178 1998 17 349 1.9 10.31 10.65 G3V D 173151.00-133607.3
17318-1336 HU 178 2008 18 355 2.3 10.31 10.65 G3V D 173151.00-133607.3

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