WDS 18320+2031 LAW 18 : NOTES
 
 
discov_num notes refcode
LAW 18 LSPM J1832+2030. Law et al (2008) derive a distance of 20.6 +9.6/-3.9 Law2008
pc and a projected separation of 27.0 +14.6/-4.0 au. Estimated
spectral types are M4.5 and M5.
 
 
REFERENCES
 
 
refcode metd author reference
Law2008 Ss - Law, N.M., Hodgkin, S.T., & Mackay, C.D. 2008MNRAS.384..150L
Law2008 MNRAS 384, 150, 2008
Law2008 All measures of known pairs in Law2008 appear to be off by 90 (or 270) degrees.
Law2008 Corrected and N code code added to measure.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18320+2031 LAW 18 2005 1 21 1.3 15.94   M4.5 M5 N 183202.91+203058.4
18320+2031 LAW 18 2015 3 18 1.4 16.00 16.50 M4.5+M5 N 183202.91+203058.4
18320+2031 LAW 18 2016 6 18 1.4 16.00 16.50 M4.5+M5 N 183202.91+203058.4

If you need more information about this double, apply for a data request form to the WDS.