18018+0118 SP 3 AB,C

18h 01m 45.19s +01° 18' 18.4" P.A. 315.00 sep 0.4 mag 4.45, Sp A2Vn dist. 89.69 pc (292.57 l.y.)

Coord 2000 18018+0118 Discov num SP    3 Comp AB,C Coord arcsec 2000 18 01 45.19 +01 18 18.4
Date first 1892 Date last 1892 Obs 1
Pa first 315 Pa last 314.6 P.A. Now (θ) 314.6°
Sep first 0.4 Sep last 0.4 Sep. Now (ρ) 0.4"
Mag pri 4.45 Mag sec delta mag (ΔM) Spectral class A2Vn (white)
Pri motion ra +013 Sec motion ra
Pri motion dec -015 Sec motion dec
Notes N (See Notes)




Nature of this double is uncertain.



18018+0118 SYSTEM COMPONENTS

Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 68 Oph 123035 18 01 45 +01 18 18 BU 1125 AB 2021 61 170 0.4 4.52 7.48 2.96 Y
Show 123035 18 01 45 +01 18 18 SP 3 AB,C 1892 1 315 0.4 4.45 <===


Triple system
4 estimated visually detectable stars in this system



OTHER CATALOGS AND DESIGNATIONS

Var name NSV10009 Oph Constellation Ophiuchus SAO 123035 HIP 88290
Tycho2 0430-03748-1 Gaia DR2 4467810837428358144 HD 164577 HR 6723
GC 24534 ADS 10990 BD BD+01 3560 Distance 89.69
Distance ly 292.57