WDS 13481-1345 DEA 1 : NOTES
 
 
discov_num notes refcode
DEA 1 LHS 2803. Deacon et al. (2012) derive Teff 2940 +/- 60 and 1100-120K
for the primary and secondary, respectively. The primary is M4.5 +/-
0.5, the seconary T5.5 +/- 0.5. Distance estimates are consistent with
the pair being physical: 21 +/- 3pc for the primary, 24 +5/-4 pc for
the secondary. Dea2012
Wide M/T binary. Spectral types M4.5 +/- 0.5 and T5.5 +/- 1, masses
0.18 +/- 0.02 and 0.04 +/- 0.01 Msun, age > 4.0 Gyr. Distances for the
two components are consistent, at 21.5 +/- 2.1 and 20.0 +/- 2.0 pc. Muz2012
 
 
REFERENCES
 
 
refcode metd author reference
Dea2012 Ci w Deacon, N.R., Liu, M.C., Magnier, E.A., Bowler, B.P., Mann, A.W., Redstone, J.A., 2012ApJ...757..100D
Dea2012 +E2 Burgett, W.S., Chambers, K.C., Hodapp, K.W., Kaiser, N., Kudritzki, R.-P.,
Dea2012 +Hw Morgan, J.S., et al.
Dea2012 ApJ 757, 100, 2012
Muz2012 E2 - Muzic, K., Radigan, J., Jayawardhana, R., Ivanov, V.D., Faherty, J.K., Kurtev, R., 2012AJ....144..180M
Muz2012 +Hw Nunez, A., Boffin, H.M.J., Hainaut, O., Criz, K., Jones, D., Metchev, S., et al.
Muz2012 AJ 144, 180, 2012
 
 
DISCOVERER
 
 
discov author
DEA Deacon, N.R., Hambly, N.C. & Cooke, J.A.
DEA Burgett, W.S., Chambers, K.C., Hodapp, K.W., Kaiser, N., Kudritzki, R.-P.,
DEA A&A 468, 163, 2007
DEA Burgett, W.S., Chambers, K.C., Hodapp, K.W., Kaiser, N., Kudritzki, R.-P.,
DEA Morgan, J.S., et al.
DEA Deacon, N.R., Liu, M.C., Magnier, E.A., Bowler, B.P., Redstone, J., Goldman, B.,
DEA Burgett, W.S., Chambers, K.C., Flewelling, H., Kaiser, N., Morgan, J.S.,
DEA Price, P.A., Sweeney, W.E., Tonry, J.L., Wainscoat, R.J. & Waters, C.
DEA Deacon, N.R., Liu, M.C., Magnier, E.A., Bowler, B.P., Mann, A.W., Redstone, J.A.,
DEA Burgett, W.S., Chambers, K.C., Hodapp, K.W., Kaiser, N., Kudritzki, R.-P.,
DEA Morgan, J.S., et al.
DEA Deacon, N.R., Liu, M.C., Magnier, E.A., Aller, K.M., Best, W.M., Dupuy, T.,
DEA Bowler, B.P., Mann, A.W., Redstone, J.A., Burgett, W.S., Chambers, K.C.,
DEA Draper, P.W., Flewelling, H., Hodapp, K.W., Kaiser, N., Kudritzki, R.-P.,
DEA Morgan, J.S., Metcalfe,N., Price, P.A., Tonry, J.L. & Wainscoat, R.J.
DEA Deacon, N.R., Kraus, A.L., Wann, A.W., Magnier, E.A., Chambers, K.C., Wainscoat,
DEA R.J., Tonry, J.L., Kaiser, N., Waters, C., Flewelling, H., Hodapp, K.W. &
MUZ Muzic, K., Radigan, J., Jayawardhana, R., Ivanov, V.D., Faherty, J.K., Kurtev, R.,
MUZ Nunez, A., Boffin, H.M.J., Hainaut, O., Criz, K., Jones, D., Metchev, S., et al.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr dm_number notes coord_arcsec_2000
13481-1345 DEA 1   0   67.6 15.10 21.00 NV 134807.21-134432.1
13481-1345 DEA 1   0   67.6 15.10 21.00 NV 134807.21-134432.1
13481-1345 DEA 1 2001 1 292 67.6 15.10 21.00 NV 134807.21-134432.1
13481-1345 DEA 1 2010 2 292 67.3 15.10 25.00 M4.5 T5.5 NV 134807.22-134432.1

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