17395-1339 HO  418

 
 
17h 39m 30.20s -13 38' 58.8" P.A. 281 sep 18.5 mag 7.60,13.50 Sp F1V dist. 76.05 pc (248.08 l.y.)
 
 
Coord 2000
17395-1339
Discov num
HO  418
Comp
Coord arcsec 2000
17 39 30.20 -13 38 58.8
Date first
1892
Date last
2010
Obs
7
Pa first
287
Pa last
281
P.A. Now (θ)
281°
Sep first
16.7
Sep last
18.5
Sep. Now (ρ)
18.5"
Mag pri
7.60
Mag sec
13.50
delta mag (ΔM)
5.9
Spectral class
F1V (yellow-white)
Pri motion ra
+019
Sec motion ra
-009
Pri motion dec
-007
Sec motion dec
-007
Notes
rPM=1.383
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
281.2
Precise sep
18.48
Constellation
Serpens
SAO
160724
HIP
86420
Tycho2
5672-00325-1
HD
160254
BD
BD-13 4696
Distance
76.05
Distance ly
248.08
last precise pa
281.2
last precise sep
18.48
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17395-1339 HO 418 1998 5 282 18.4 7.50 13.50 F1V D 173930.20-133858.8
17395-1339 HO 418 2000 6 281 18.2 7.50 13.50 F1V D 173930.20-133858.8
17395-1339 HO 418 2010 7 281 18.2 7.60 13.50 F1V 173930.20-133858.8

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