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Continued Monitoring of LMXBs with the Faulkes Telescopes
Fraser Lewis, David M. Russell, Rob P. Fender +2
The Faulkes Telescope Project is an educational and research arm of the Las Cumbres Observatory Global Telescope Network (LCOGTN). It has two 2-metre robotic telescopes, located at…
NGC300 X-1 and IC10 X-1: a new breed of black hole binary?
R. Barnard, J. S. Clark, U. C. Kolb
[ABRIDGED] IC10 X-1 has recently been confirmed as a black hole (BH) + Wolf-Rayet (WR) X-ray binary, and NGC300 X-1 is thought to be. IC10 X-1 and NGC300 X-1 have similar X-ray pro…
Westerlund 1 as a Template for Massive Star Evolution
Ignacio Negueruela, J. Simon Clark, Paul A. Crowther +1
With a dynamical mass M_dyn ~ 1.3x10e5 M_sun and a lower limit M_cl>5x10e4 M_sun from star counts, Westerlund 1 is the most massive young open cluster known in the Galaxy and thus…
A downward revision to the distance of the 1806-20 cluster and associated magnetar from Gemini near-Infrared spectroscopy
J. L. Bibby, P. A. Crowther, J. P. Furness +1
We present H- and K-band spectroscopy of OB and Wolf-Rayet (WR) members of the Milky Way cluster 1806-20 (G10.0-0.3), to obtain a revised cluster distance of relevance to the 2004…
Intermediate to low-mass stellar content of Westerlund 1
Wolfgang Brandner, J. Simon Clark, Andrea Stolte +3
We have analysed near-infrared NTT/SofI observations of the starburst cluster Westerlund 1, which is among the most massive young clusters in the Milky Way. A comparison of colour-…
Radio observations of the massive stellar cluster Westerlund 1
Sean M. Dougherty, J. Simon Clark
High-dynamic range radio observations of Westerlund 1 are presented that detect a total of 21 stars in the young massive stellar cluster, the richest population of radio emitting s…