17404+0544 VVO  16

 
 
17h 40m 21.44s +05 43' 37.4" P.A. 343 sep 34.7 mag 11.23,12.92 Sp K7
 
 
Coord 2000
17404+0544
Discov num
VVO  16
Comp
Coord arcsec 2000
17 40 21.44 +05 43 37.4
Date first
1917
Date last
2015
Obs
8
Pa first
342
Pa last
343
P.A. Now (θ)
343°
Sep first
34.2
Sep last
34.7
Sep. Now (ρ)
34.7"
Mag pri
11.23
Mag sec
12.92
delta mag (ΔM)
1.69
Spectral class
K7 (yellow-orange)
Pri motion ra
-024
Sec motion ra
-030
Pri motion dec
-074
Sec motion dec
-071
Notes
N V (See Notes, Proper motion indicates physical)
rPM=0.086 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
342.5
Precise sep
34.701
Constellation
Ophiuchus
Tycho2
0427-01309-1
last precise pa
342.5
last precise sep
34.701
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17404+0544 VVO 16 2000 2 342 34.6 11.30 12.70 V 174021.44+054337.4
17404+0544 VVO 16 2001 6 342 34.8 11.30 12.70 NVD 174021.44+054337.4
17404+0544 VVO 16 2010 7 342 34.8 11.23 12.92 K7 NV 174021.44+054337.4
17404+0544 VVO 16 2015 8 343 34.7 11.23 12.92 K7 NV 174021.44+054337.4

If you need more information about this double, apply for a data request form to the WDS.