Sandy Leggett

Astronomer with Tenure | Operations - GN Science Ops

Current Research

• Optical through mid-infrared studies of very low-mass stars and brown dwarfs.
• Optical through near-infrared studies of the old, cold, evolved white dwarfs.
• Near-infrared photometric calibration.

 

Current Support

• Generic near-infrared support; NIRI and NIFS support.
• Core queue coordinator.
• Chair of the Gemini International Time Allocation Committee.

 

 

Recent Publications

See this link for a full list of refereed publications from the ADS.

• Discovery of the benchmark metal-poor T8 dwarf BD +01° 2920B Pinfield, D. J.; Burningham, B.; Lodieu, N.; Leggett, S. K.; Tinney, C. G.; van Spaandonk, L. et al. 2012, MNRAS 
• The Properties of the 500 K Dwarf UGPS J072227.51-054031.2 and a Study of the Far-red Flux of Cold Brown Dwarfs Leggett, S. K.; Saumon, D.; Marley, M. S.; Lodders, K.; Canty, J.; Lucas, P.; et al. 2012, ApJ 748, 74
• The discovery of a debris disc around the DAV white dwarf PG 1541+651 Kilic, Mukremin; Patterson, Adam J.; Barber, Sara; Leggett, S. K.; Dufour, P. 2012, MNRAS 419, L59

 

 

Other Links:

CV and Publications

 

L and T Dwarf Data:

2010 Compilation of YJHKL'M' (MKO) and [3.6][4.5][5.8][8.0] (IRAC) photometry

for a selection of M, L and T dwarfs; available as an ascii tab delimited file or as an excel spreadsheet.

Refer to the README file and the publication Leggett et al. 2010 ApJ 710, 1627

 

Leggett L and T dwarf data archive (2004-2006 near-infrared spectra and iz(SDSS)JHKL'M'(MKO) photometry)

Kirkpatrick, Gelino & Burgasser L and T dwarf archive

Burgasser T Dwarf Spectral Repository

The IRTF Spectral Library (stars, L and T dwarfs, planets)