WDS 13143+1320 LAW 2 : NOTES
 
 
discov_num notes refcode
LAW 2 Distance 9.8 +/- 2.0 pc Law2006
NLTT 3370. Schlieder et al. (2014) derive the following properties for
the A and B components:
log (L/Lsun) -2.64 +/- 0.06 -2.68 +/- 0.06
Teff (K) 3200 +/- 500 3100 +/- 500
Mass (Mjup) 97 +41/-48 91 +41/-44 SJE2014
Recently, Schlieder et al. (2014) reported NLTT 33370 as a binary. In SJE2014
NACO images approximately coincident with the AstraLux images, the
projected separation of the binary is ∼75 mas, which is consistent
with the fact that the binary is unresolved in the AstraLux images. Jnn2014
Dupuy et al. (2016) derive an orbit for LSPM J1314+1320AB using
astrometry from Keck/NIRC2 and the VLBA. Derived parameters for A and
B are as follows:
Mass (Mjup) 92.8 +/- 0.6 91.7 +/- 1.0
Age (Myr) 79.9 -2.7/+2.5 81.7 -3.3/+2.9
Teff (K) 2954 +/- 3 2947 +/- 4
Radius (Rjup) 1.831 +/- 0.018 1.808 +/- 0.018
log(g) (cm/s^2) 4.836 +/- 0.010 4.842 +/- 0.011
Li/Li_init 0.12 -0.05/+0.03 0.17 +/- 0.07
Mbol (mag) 11.290 +/- 0.025 11.328 +/- 0.025
log (Lbol/Lsun) -2.616 +/- 0.010 -2.631 +/- 0.010
Parallax is 57.975 +/- 0.045 mas, distance 17.249 +/- 0.013 pc, the
integrated spectral type M7.0 +/- 0.2 (optical), M6 +/- 1 (near-IR). Dup2016
 
 
REFERENCES
 
 
refcode metd author reference
Dup2016 A j Dupuy, T.J., Forbrich, J., Rizzuto, A., Mann, A.W., Aller, K., Liu, M.C., 2016ApJ...827...23D
Dup2016 +Am Kraus, A.L., & Berger, E.
Dup2016 ApJ 827, 23, 2016
Jnn2014 A - Janson, M., Bergfors, C., Brandner, W., Kudryavtseva, N., Hormuth, F., 2014ApJ...789..102J
Jnn2014 +Cl Hippler, S., & Henning, T.
Jnn2014 ApJ 789, 102, 2014
Law2006 Ss - Law, N.M., Hodgkin, S.T., & Mackay, C.D. 2006MNRAS.368.1917L
Law2006 MNRAS 368, 1917, 2006
SJE2014 A j Schlieder, J.E., Bonnefoy, M., Herbst, T.M., Lepine, S., Berger, E., Henning, T., 2014ApJ...783...27S
SJE2014 Skemer, A., Chauvin, G., Rice, E., Biller, B., Girard, J., Lagrange, A.-M., et al.
SJE2014 ApJ 783, 27, 2014
Tok2021f orb - Tokovinin, A. 2021IAUDS.204....1T
Tok2021f Inf. Circ. 204, 1, 2021
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
13143+1320 LAW 2 2005 1 46 0.1 11.90 12.80 N DR 131420.39+132001.0
13143+1320 LAW 2 2013 4 227 0.1 11.90 12.80 N R 131420.39+132001.0
13143+1320 LAW 2 2015 11 50 0.2 11.90 12.80 NO R 131420.39+132001.0
13143+1320 LAW 2 2017 12 67 0.2 11.90 12.80 NO R 131420.12+131958.3
13143+1320 LAW 2 2020 13 96 0.2 11.90 12.80 NO R 131420.12+131958.3
13143+1320 LAW 2 2021 14 122 0.1 11.90 12.80 NO R 131420.12+131958.3

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