17320+0249 BU 1538 DE

17h 31m 19.65s +02° 49' 18.4" P.A. 164.00 sep 2.4 mag 11.50,11.50

Coord 2000 17320+0249 Discov num BU 1538 Comp DE Coord arcsec 2000 17 31 19.65 +02 49 18.4
Date first 1903 Date last 2015 Obs 2
Pa first 166 Pa last 164.1 P.A. Now (θ) 164.1°
Sep first 2.6 Sep last 2.425 Sep. Now (ρ) 2.425"
Mag pri 11.50 Mag sec 11.50 delta mag (ΔM) 0 Spectral class
Pri motion ra +002 Sec motion ra
Pri motion dec -002 Sec motion dec
Notes N (See Notes)




Nature of this double is uncertain.



17320+0249 SYSTEM COMPONENTS

Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show V2373 Oph 122481 17 32 03 +02 49 25 STT 331 AB 2016 83 353 1.0 7.74 8.82 1.08
Show 122481 17 32 03 +02 49 25 STT 331 AC 2015 11 240 50.5 7.74 10.92 3.18
Show 17 31 20 +02 49 18 BU 1538 DE 2015 2 164 2.4 11.50 11.50 0.00 <===


Quintuple system
5 estimated visually detectable stars in this system



OTHER CATALOGS AND DESIGNATIONS

Constellation Ophiuchus Gaia DR2 4376827143579989888