18498+4145 SLW 1222 BC

18h 49m 46.14s +41° 45' 23.4" P.A. 53.00 sep 22.0 mag 14.94,16.51 Sp K7.7+M1.8

Coord 2000 18498+4145 Discov num SLW1222 Comp BC Coord arcsec 2000 18 49 46.14 +41 45 23.4
Date first 2000 Date last 2016 Obs 6
Pa first 53 Pa last 53.2 P.A. Now (θ) 53.2°
Sep first 22.0 Sep last 22.041 Sep. Now (ρ) 22.041"
Mag pri 14.94 Mag sec 16.51 delta mag (ΔM) 1.57 Spectral class K7.7+M1.8 (yellow-orange/red)
Pri motion ra -011 Sec motion ra -005
Pri motion dec +055 Sec motion dec +056
Notes V R (Proper motion indicates physical, Red magnitudes)




rPM=0.108 (< 0.3, Physical double)

This double is physical.



18498+4145 SYSTEM COMPONENTS

Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 18 49 44 +41 44 37 UC 3690 AB 2015 7 28 52.8 11.90 14.94 3.04
Show 18 49 46 +41 45 23 SLW 1222 BC 2016 6 53 22.0 14.94 16.51 1.57 <===


Triple system
3 estimated visually detectable stars in this system



OTHER CATALOGS AND DESIGNATIONS

Constellation Lyra Gaia DR2 2104634378494928512