17492+0909 STF2228

 
 
17h 49m 34.44s +09 11' 29.5" P.A. 105 sep 19 mag 10.55,10.87 Sp K0
 
 
Coord 2000
17492+0909
Discov num
STF2228
Comp
Coord arcsec 2000
17 49 34.44 +09 11 29.5
Date first
1829
Date last
2013
Obs
22
Pa first
107
Pa last
105
P.A. Now (θ)
105°
Sep first
18.6
Sep last
19.0
Sep. Now (ρ)
19"
Mag pri
10.55
Mag sec
10.87
delta mag (ΔM)
0.32
Spectral class
K0 (yellow-orange)
Pri motion ra
-017
Sec motion ra
-016
Pri motion dec
-017
Sec motion dec
-020
Notes
rPM=0.123 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
105.2
Precise sep
19.01
Constellation
Ophiuchus
Tycho2
0994-00697-1
last precise pa
105.2
last precise sep
19.01
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17492+0909 STF2228 2005 11 105 19.3 8.98 9.50 K0 174914.37+090927.2
17492+0909 STF2228 2013 21 105 19.0 10.55 10.87 K0 N 174934.44+091129.5

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