17470+0542 STF2216

 
 
17h 47m 02.17s +05 41' 30.6" P.A. 27 sep 26.7 mag 8.01,10.09 Sp B8
 
 
Coord 2000
17470+0542
Discov num
STF2216
Comp
Coord arcsec 2000
17 47 02.17 +05 41 30.6
Date first
1894
Date last
2013
Obs
22
Pa first
27
Pa last
27
P.A. Now (θ)
27°
Sep first
27.5
Sep last
26.7
Sep. Now (ρ)
26.7"
Mag pri
8.01
Mag sec
10.09
delta mag (ΔM)
2.08
Spectral class
B8 (blue-white)
Pri motion ra
-001
Sec motion ra
+000
Pri motion dec
-007
Sec motion dec
-007
Notes
rPM=0.141 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
27.2
Precise sep
26.68
Constellation
Ophiuchus
Tycho2
0428-01339-1
HD
161733
last precise pa
27.2
last precise sep
26.68
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17470+0542 STF2216 2006 16 27 27.3 8.01 10.09 B8 D 174702.17+054130.6
17470+0542 STF2216 2009 17 27 26.8 8.01 10.09 B8 D 174702.17+054130.6
17470+0542 STF2216 2013 20 27 26.7 8.01 10.09 B8 174702.17+054130.6

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