17436+1257 HU 1284

 
 
17h 43m 37.12s +12 57' 06.7" P.A. 63 sep 0.9 mag 9.58,10.77 Sp F8
 
 
Coord 2000
17436+1257
Discov num
HU 1284
Comp
Coord arcsec 2000
17 43 37.12 +12 57 06.7
Date first
1905
Date last
2015
Obs
9
Pa first
69
Pa last
63
P.A. Now (θ)
63°
Sep first
1.0
Sep last
0.9
Sep. Now (ρ)
0.9"
Mag pri
9.58
Mag sec
10.77
delta mag (ΔM)
1.19
Spectral class
F8 (yellow-white)
Pri motion ra
+001
Sec motion ra
+001
Pri motion dec
+003
Sec motion dec
+003
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
63.3
Precise sep
0.93
Constellation
Ophiuchus
SAO
103054
Tycho2
1001-00782-1
last precise pa
63.3
last precise sep
0.93
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17436+1257 HU 1284 1995 8 80 1.1 9.58 10.77 F8 174337.12+125706.7
17436+1257 HU 1284 2015 9 63 0.9 9.58 10.77 F8 174337.12+125706.7

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