17155+3053 NI   36

 
 
17h 15m 27.98s +30 52' 21.5" P.A. 347 sep 14.9 mag 12.70,13.60
 
 
Coord 2000
17155+3053
Discov num
NI   36
Comp
Coord arcsec 2000
17 15 27.98 +30 52 21.5
Date first
1950
Date last
2002
Obs
5
Pa first
346
Pa last
347
P.A. Now (θ)
347°
Sep first
14.9
Sep last
14.9
Sep. Now (ρ)
14.9"
Mag pri
12.70
Mag sec
13.60
delta mag (ΔM)
0.9
Spectral class
Pri motion ra
-182
Sec motion ra
-182
Pri motion dec
-171
Sec motion dec
-171
Notes
V R (Proper motion indicates physical, Red magnitudes)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
346.8
Precise sep
14.896
Constellation
Hercules
Tycho2
2592-01304-1
last precise pa
346.8
last precise sep
14.896
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17155+3053 NI 36 2000 1 166 15.0 11.30 13.60 V 171527.74+305236.6
17155+3053 NI 36 2001 4 347 15.1 11.30 13.60 VD 171527.74+305236.6
17155+3053 NI 36 2002 5 347 14.9 12.70 13.60 V R 171527.98+305221.5

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