12290+4144 BWL 31 AB

12h 29m 02.90s +41° 43' 49.7" P.A. 256.00 sep 0.1 mag 8.70,9.30 Sp M4.0

Coord 2000 12290+4144 Discov num BWL  31 Comp AB Coord arcsec 2000 12 29 02.90 +41 43 49.7
Date first 2011 Date last 2011 Obs 1
Pa first 256 Pa last 255.5 P.A. Now (θ) 255.5°
Sep first 0.1 Sep last 0.05 Sep. Now (ρ) 0.05"
Mag pri 8.70 Mag sec 9.30 delta mag (ΔM) 0.6 Spectral class M4.0 (red)
Pri motion ra -196 Sec motion ra
Pri motion dec -222 Sec motion dec
Notes N K (See Notes, 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.



12290+4144 SYSTEM COMPONENTS

Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 12 29 03 +41 43 50 BWL 31 AB 2011 1 256 0.1 8.70 9.30 0.60 <===
Show 12 29 03 +41 43 50 BWL 31 AC 2015 3 105 9.8 8.70 19.70 11.00
Show 12 29 03 +41 43 50 BWL 31 AD 2012 2 46 1.8 8.70 21.50 12.80
Show 12 29 03 +41 43 50 BWL 31 AE 2012 1 8 9.5 8.70 21.30 12.60
Show 12 29 03 +41 43 50 BWL 31 AF 2012 1 253 11.2 8.70 20.50 11.80


Sextuple system
6 estimated visually detectable stars in this system



OTHER CATALOGS AND DESIGNATIONS

Constellation Canes Venatici Gaia DR2 1534831272173203072