18253+2605 STF 2317 AD

 
 
18h 25m 20.63s +26° 05' 02.8" P.A. 189.00 sep 44.5 mag 7.69,10.28 Sp G7III-IV dist. 269.54 pc (879.24 l.y.)
 
 
Coord 2000 18253+2605 Discov num STF2317 Comp AD Coord arcsec 2000 18 25 20.63 +26 05 02.8
Date first 1897 Date last 2015 Obs 13
Pa first 189 Pa last 189.2 P.A. Now (θ) 189.2°
Sep first 44.4 Sep last 44.497 Sep. Now (ρ) 44.497"
Mag pri 7.69 Mag sec 10.28 delta mag (ΔM) 2.59 Spectral class G7III-IV (yellow)
Pri motion ra -003 Sec motion ra +000
Pri motion dec -016 Sec motion dec -011
Notes
rPM=0.358
Nature of this double is uncertain.
 
 
18253+2605 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 86025 18 25 21 +26 05 03 HDS 2605 Aa,Ab 2016 5 84 1.2 7.82 11.14 3.32
Show HD 169797 86025 18 25 21 +26 05 03 STF 2317 A,BC 2006 9 224 23.0 7.69 11.94 4.25
Show 86025 18 25 21 +26 05 03 STF 2317 AD 2015 13 189 44.5 7.69 10.28 2.59 <===
Show 86025 18 25 21 +26 05 03 ABH 99 AE 2015 4 206 38.2 7.69 14.20 6.51
Show 86025 18 25 21 +26 05 03 ABH 99 AF 2015 4 208 68.7 7.69 13.58 5.89
Show 18 25 19 +26 04 46 STF 2317 BC 2009 10 323 1.4 12.50 12.70 0.20
Septuple system
7 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Hercules SAO 86025 HIP 90288 Tycho2 2110-00945-1
Gaia DR2 4584912811514056192 HD 169797 BD BD+26 3247 Distance 269.54
Distance ly 879.24