Guiding on the edge (V∼19): Results from an AO survey of very low mass stars searching for extremely faint companions

Proceedings of SPIE - The International Society for Optical Engineering

Volumn 4839, Issue 1, 2002, Pages 114-120

  Siegler, Nick ^a   Close, Laird M ^a   Freed, Melanie ^a  

^a UNIVERSITY OF ARIZONA   (United States)

Author keywords

Adaptive optics; AO telescope performance; Curvature wavefront sensing; Low mass binaries; Natural guide stars

Indexed keywords

ABERRATIONS; AVALANCHE DIODES; CHARGE COUPLED DEVICES; OPTICAL RESOLVING POWER; OPTICAL SENSORS; OPTICAL TELESCOPES; PHOTONS; SPURIOUS SIGNAL NOISE; WAVEFRONTS;

NATURAL GUIDE STARS;

ADAPTIVE OPTICS;

EID: 0037723116     PISSN: 0277786X     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.1117/12.460085     Document Type: Conference Paper

References (10)

1. J. E. Graves, M. Northcott, F. Roddier, C. Roddier, and L. Close, "First Light for Hokupa'a: 36 Element Curvature AO System at UH," Proc. SPIE 3353, pp.34-40, 1998.
2. WM Keck Observatory website: www2.keck.hawaii.edu:3636/inst/ao/aboutao.html
3. J. D. Kirkpatrick, I. N. Reid, J. Liebert, R. M. Cutri, B. Nelson, C. A. Beichman, C. C. Dahn, D. G. Monet, J. E. Gizis, and M. F. Skrutskie, "Dwarfs Cooler than 'M': The Definition of Spectral Type 'L' Using Discoveries from the 2-Micron All-Sky Survey (2MASS)," ApJ 519, pp.802-833, 1999.
4. N. Siegler, L. M. Close, E. Mamajek, and M. Freed, "An Adaptic Optics Survey of M6.0-M7.5 Stars: Discovery of Three Nearby Very Low Mass Binary Systems Including Two Probable Hyads," ApJ, in preparation, 2002.
5. M. Freed, L. M. Close, and N. Siegler, "Discovery of a Tight Brown Dwarf Companion to the Low Mass Star LHS 2397A: Implications for Formation Theories and the Brown Dwarf Desert," ApJ Letters, submitted, 2002.
6. G. Chabrier, I. Baraffe, F. Allard, and P. Hauschildt. "Evolutionary Models for Very Low-Mass Stars and Brown Dwarfs with Dusty Atmospheres," ApJ, 542, pp.464-472, 2000.
7. L. M. Close, N. Siegler, and M. Freed, "Detection of Nine M8.0-L0.5 Binaries: The Very Low Mass Binary Population and its Implications for Brown Dwarf and Star Formation Theories," ApJ, submitted, 2002.
8. I. N. Reid, J. E. Gizis, J. D. Kirkpatrick, and D. W. Koerner, "A Search for L Dwarf Binary Systems," AJ 121, pp. 489-502, 2001.
9. A. Duquennoy and M. Mayor, "Multiplicity Among Solar-Type Stars in the Solar Neighborhood II: Distribution of the Orbital Elements in an Unbiased Sample," Astronomy and Astrophysics 248, pp. 485-524, 1991.
10. D. Fischer and G. W. Marcy, "Multiplicity Among M Dwarfs," ApJ, 396, pp.178-194, 1992.