17246+1536 STF2160

 
 
17h 24m 33.80s +15 36' 21.7" P.A. 66 sep 3.7 mag 6.40,9.28 Sp B9V dist. 153.37 pc (500.29 l.y.)
 
 
Coord 2000
17246+1536
Discov num
STF2160
Comp
Coord arcsec 2000
17 24 33.80 +15 36 21.7
Date first
1830
Date last
2013
Obs
44
Pa first
62
Pa last
66
P.A. Now (θ)
66°
Sep first
4.1
Sep last
3.7
Sep. Now (ρ)
3.7"
Mag pri
6.40
Mag sec
9.28
delta mag (ΔM)
2.88
Spectral class
B9V (blue-white)
Pri motion ra
+007
Sec motion ra
+007
Pri motion dec
+011
Sec motion dec
+011
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
66.3
Precise sep
3.74
Constellation
Hercules
SAO
102806
HIP
85187
Tycho2
1537-01528-1
HD
157741
HR
6482
BD
BD+15 3179
Distance
153.37
Distance ly
500.29
last precise pa
66.3
last precise sep
3.74
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17246+1536 STF2160 2005 36 66 3.8 6.40 9.28 B9V D 172433.80+153621.7
17246+1536 STF2160 2008 39 67 3.8 6.40 9.28 B9V D 172433.80+153621.7
17246+1536 STF2160 2009 41 66 3.8 6.40 9.28 B9V D 172433.80+153621.7
17246+1536 STF2160 2013 43 66 3.7 6.40 9.28 B9V 172433.80+153621.7

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