02418-5300 SYU 4 Ba,Bb

02h 41m 47.30s -52° 59' 30.6" P.A. 133.00 sep 0.1 mag 8.60,8.60 Sp M2.5

Coord 2000 02418-5300 Discov num SYU   4 Comp Ba,Bb Coord arcsec 2000 02 41 47.30 -52 59 30.6
Date first 2014 Date last 2021 Obs 6
Pa first 175 Pa last 133.3 P.A. Now (θ) 133.3°
Sep first 0.1 Sep last 0.055 Sep. Now (ρ) 0.055"
Mag pri 8.60 Mag sec 8.60 delta mag (ΔM) 0 Spectral class M2.5 (red)
Pri motion ra +092 Sec motion ra
Pri motion dec -004 Sec motion dec
Notes K (K-band or other infrared magnitudes)


Visually invisible, K-band or other infrared star : Summary line gives K-band or other infrared (>1 micron) magnitudes

Nature of this double is uncertain.



02418-5300 SYSTEM COMPONENTS

Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 02 41 47 -52 59 52 TOK 690 Aa,Ab 2020 11 111 0.0 10.20 10.50 0.30
Show 02 41 47 -52 59 52 JFF 1 AB 2016 5 11 22.2 10.30 16.10 5.80
Show 02 41 47 -52 59 31 SYU 4 Ba,Bb 2021 6 133 0.1 8.60 8.60 0.00 <===


Quadruple system
2 estimated visually detectable stars in this system



OTHER CATALOGS AND DESIGNATIONS

Constellation Horologium Gaia DR2 4742040513540707072