17318+1040 AG  355

 
 
17h 31m 47.69s +10 39' 32.9" P.A. 333.00 sep 22.4 mag 9.45,10.85 Sp F2
 
 
Coord 2000
17318+1040
Discov num
AG  355
Comp
Coord arcsec 2000
17 31 47.69 +10 39 32.9
Date first
1894
Date last
2015
Obs
18
Pa first
334
Pa last
333
P.A. Now (θ)
333°
Sep first
22.5
Sep last
22.4
Sep. Now (ρ)
22.4"
Mag pri
9.45
Mag sec
10.85
delta mag (ΔM)
1.4
Spectral class
F2 (yellow-white)
Pri motion ra
-002
Sec motion ra
+001
Pri motion dec
-022
Sec motion dec
-026
Notes
V (Proper motion indicates physical)
rPM=0.192 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
333.3
Precise sep
22.439
Constellation
Ophiuchus
SAO
102886
Tycho2
0996-00806-1
Gaia DR2
4491211124922216704
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17318+1040 AG 355 2000 9 333 22.5 9.45 10.85 F2 D 173147.69+103932.9
17318+1040 AG 355 2010 10 333 22.7 9.45 10.85 F2 D 173147.69+103932.9
17318+1040 AG 355 2013 13 332 22.2 9.45 10.85 F2 173147.69+103932.9
17318+1040 AG 355 2015 15 333 22.4 9.45 10.85 F2 173147.69+103932.9

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