John E. Gizis

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Refereed Journals

Discovery of Four Field Methane (T-type) Dwarfs with 2MASS
Burgasser, A.J., Kirkpatrick, J.D., Brown, M.E., Reid, I.N., Gizis, J.E., Dahn, C.C., Monet, D.G., Beichman, C.A., Liebert, J., Cutri, R.M., & Skrutskie, M.F. 1999, ApJ, 522, L65
Electronic Journal (HTML)

The First Substellar Subdwarf? Discovery of a Metal-poor L Dwarf with Halo Kinematics
Burgasser, A.J., Kirkpatrick, J.D., Burrows, A., Liebert, J., Reid, I.N., Gizis, J.E., McGovern, M.R., Prato, L., McLean, I.S. 2003, ApJ, 592, 1186
Electronic Journal (HTML)

Discovery of a Brown Dwarf Companion to Gliese 570ABC: A 2MASS T Dwarf Significantly Cooler than Gliese 229B
Burgasser, A.J., Kirkpatrick, J.D., Cutri, R.M., McCallon, H., Kopan, G., Gizis, J.E., Liebert, J., Reid, I.N., Brown, M.E., Monet, D.G., Dahn, C.C., Beichman, C.A., & Skrutskie, M.F. 2000, ApJ, 531, L57
Electronic Journal (HTML)

Detection of H Alpha Emission in a Methane (T-type) Brown Dwarf
Burgasser, A.J., Kirkpatrick, J.D., Reid, I.N., Liebert, J., Gizis, J.E., & Brown, M.E. 2000, AJ, 120, 473
Electronic Journal (HTML)

A Search for Variability in the Active T dwarf 2MASS 1237+6526
Burgasser, A.J., Liebert, J., Kirkpatrick, J.D., & Gizis, J.E. 2002, AJ, 123, 2744
Electronic Article (HTML)

Binarity in Brown Dwarfs: T Dwarf Binaries Discovered with the Hubble Space Telescope WPFC2
Burgasser, A.J., Reid, I.N., Kirkpatrick, J.D., Brown, M.E., Miskey, C.L. & Gizis, J.E. 2003, ApJ, 586, 512
Electronic Journal (HTML)

Discovery of a Bright Field Methane (T-type) Brown Dwarf by 2MASS
Burgasser, A.J., Wilson, J.C., Kirkpatrick, J.D., Skrutskie, M.S., Colonno, M.R., Enos, A.T., Smith, J.D., Henderson, C.P., Gizis, J.E., Brown, M.E., & Houck, J.R. 2000, AJ, 120, 1100
Electronic Journal (HTML)

The Spectra of T Dwarfs I: Near-Infrared Data and Spectral Classification
Burgasser, A.J., Kirkpatrick, J.D., Brown, M.E., Reid, I.N., Liebert, J., Matthews, K., Burrows, A., Gizis, J.E., Dahn, C.C., Monet, D.G., Cutri, R.M., & Skrutskie, M.F. 2001, ApJ, 564, 421
Electronic Article (HTML)

The Lower Main Sequence and the Orbital Period Distribution of Cataclysmic Variable Stars
Clemens, J.C., Reid, I.N., Gizis, J.E., & O'Brien, M.S., 1998, ApJ, 496, 352
Postscript Preprint
Electronic Journal (HTML)

Astrometry and Photometry for Cool Dwarfs and Brown Dwarfs
Dahn, C.C., Harris, H.C., Vrba, F.J., Guetter, H.H., Canzian, B., Henden, A.A., Levine, S.E., Luginbuhl, C.B., Monet, A.K.B., Monet, D.G., Pier, J.R., Stone, R.C., Walker, R.L., Burgasser, A.J., Gizis, J.E., Kirkpatrick, J.D., Liebert, J., Reid, I.N. 2002, AJ, 124, 1170
Electronic Article (HTML)

M-Subdwarfs: Spectroscopic Classification and the Metallicity Scale
Gizis, J.E. 1997, AJ, 113, 806
Scanned Article
Data Tables: CDS (France) or ADC (USA)

High Chromospheric Activity in M Subdwarfs
Gizis, J.E. 1998, AJ, 115, 2053
Electronic Journal (HTML)

Brown Dwarfs and the TW Hya Association
Gizis, J.E. 2002, ApJ, 575, 484
Electronic Article (HTML)

A Chandra Observation of a TW Hydrae Association Brown Dwarf Gizis, J.E. & Bharat, R. 2004, ApJ, 608, L113 Electronic Journal (HTML)

Substellar Companions to Main Sequence Stars: No Brown Dwarf Desert at Wide Separations
Gizis, J.E., Kirkpatrick, J.D., Burgasser, A., Reid, I.N., Monet, D.G., Liebert, J., & Wilson, J.C. 2001, ApJL, 551, L163
Electronic Article (HTML)

A 2MASS L Dwarf Companion to the Nearby K Dwarf GJ 1048
Gizis, J.E., Kirkpatrick, J.D., & Wilson, J.C. 2000, AJ, , 121, 2185
Electronic Journal (HTML)

Two Nearby M Dwarf Binaries From 2MASS
Gizis, J.E., Monet, D.G., Reid, I.N., Kirkpatrick, J.D., & Burgasser, A.J. 2000, MNRAS, 311, 385
Electronic Journal (HTML)

New Neighbors from 2MASS: Activity and Kinematics at the Bottom of the Main Sequence
Gizis, J.E., Monet, D.G., Reid, I.N., Kirkpatrick, J.D., Liebert, J. & Williams, R.J. 2000, AJ, 120, 1085
Electronic Journal (HTML)

An X-Ray Image of the Fornax Dwarf Spheroidal Galaxy
Gizis, J.E., Mould, J.R., & Djorgovski, S. 1993, PASP, 105, 871
Scanned Article

Low-mass Binaries in the Hyades
Gizis, J., & Reid, N. 1995, AJ, 110, 1248
Scanned Article

GJ 1230: A Nearby Triple System
Gizis, J.E., & Reid, I.N. 1996, AJ, 111, 365
Scanned Article

Probing the LHS Catalog I. New Nearby Stars and the Coolest Halo Subdwarf
Gizis, J.E., & Reid, I.N. 1997, PASP, 109, 849
Scanned Article
Postscript Preprint
Data Tables: CDS (France) or ADC(USA)

M Subdwarf Secondaries: A Test of the Metallicity Scale
Gizis, J.E., & Reid, I.N. 1997, PASP, 109, 1233
Scanned Article
Postscript Preprint

M Subdwarfs: The Population II Luminosity Function
Gizis, J.E., & Reid, I.N. 1999, AJ, 117, 508
Electronic Journal (HTML)
Postscript Preprint

HST Observations of M Subdwarfs
Gizis, J.E., & Reid, I.N. 2000, PASP, 112, 610
Electronic Journal (HTML)

The Palomar/MSU Nearby Star Spectroscopic Survey III: Chromospheric Activity, M-dwarf Ages and the Local Star Formation History
Gizis, J.E., Reid, I.N., & Hawley, S.L. 2002, AJ, 123, 3356
Electronic Article (HTML)

Hubble Space Telescope Observations of Binary Very-Low-Mass Stars and Brown Dwarfs
Gizis, J.E., Reid, I.N., Knapp, G.R., Liebert, J., Kirkpatrick, J.D., Koerner, D.W., & Burgasser, A.J. 2003, AJ, 125, 3302
Electronic Journal (HTML)

A 2MASS Survey for Brown Dwarfs Toward the Hyades
Gizis, J.E., Reid, I.N., & Monet, D.G. 1999, AJ, 118, 997
Postscript Preprint
Electronic Journal

APMPM J1523-0245: A New High-Proper Motion Cool Subdwarf
Gizis, J.E., Scholz, R.-D., Irwin, M., & Jahreiß, H. 1997, MNRAS, 292, L41
Scanned Article

The Palomar/MSU Nearby-Star Spectroscopic Survey - II: The Southern M-dwarfs and Investigation of Magnetic Activity
Hawley, S.L., Gizis, J.E. & Reid, I.N. 1996, AJ, 112, 2799
Scanned Article
Data Tables: CDS (France) or ADC (USA)
Erratum: 1997, AJ, 113, 1458
Note that the original electronic data files have been replaced with versions that combine Paper I and Paper II

Brown Dwarf Companions to G-Type Stars. I. Gliese 417B and Gliese 584C
Kirkpatrick, J.D., Dahn, C.C., Monet, D.G., Reid, I.N., Gizis, J.E., Liebert, J., & Burgasser, A. 2001, AJ, 121, 3235
Electronic Journal (HTML)

Sixty-seven Additional L Dwarfs Discovered by the 2-Micron All Sky Survey
Kirkpatrick, J.D., Reid, I.N., Liebert, J., Gizis, J.E., Burgasser, A.J., Monet, D.G., Dahn, C.C., Nelson, B. & Williams, R.J. 2000, AJ, 120, 447
Electronic Journal (HTML)

Dwarfs Cooler Than "M": The Definition of Spectral Type "L" using Discoveries from the 2-Micron All-Sky Survey (2MASS)
Kirkpatrick, J.D., Reid, I.N., Liebert, J., Cutri, R.M., Nelson, B., Beichman, C.A., Dahn, C.C., Monet, D.G., Gizis, J.E., & Skrutskie, M.F. 1998, ApJ, 519, 802
Electronic Journal (HTML)
Summary (HTML)
Postscript Preprint (gzipped tar)

Three Newly-Discovered M-Dwarf Companions of Solar Neighborhood Stars
Kirkpatrick, J.D., Liebert, J., Cruz, K.L., Gizis, J.E., & Reid, I.N. 2001, PASP, 113, 814
Electronic Article (HTML)

2MASS Discoveries of Cool, Dust-Enshrouded Carbon Stars out of the Galactic Plane
Liebert, J., Cutri, R.M., Nelson, B., Kirkpatrick, J.D. Gizis, J.E., & Reid, I.N. 2000, PASP, 112, 1315
Electronic Journal (HTML)

A Flaring L5 Dwarf: the Nature of H alpha Emission in Very Low Mass (Sub)Stellar Objects
Liebert, J., Kirkpatrick, J.D., Cruz, K.L., Reid, I.N., Burgasser, A., Tinney, C.G., & Gizis, J.E. 2002, AJ, in press
Postscript Preprint

An Improved Red Spectrum of the Methane or T-Dwarf SDSS~1624+0029: Role of the Alkali Metals and Dust
Liebert, J, Reid, I.N., Burrows, A., Burgasser, A.J., Kirkpatrick, J.D., & Gizis, J.E. 2000, ApJ, 533, L155
Postscript Preprint
Electronic Journal (HTML)

A Global Photometric Analysis of 2MASS Calibration Data
Nikolaev, S., Weinberg, M., Skrutskie, S., Cutri, R., Wheelock, S., Gizis, J., & Howard, E. 2000, AJ, 120, 3340
Electronic Journal (HTML)

Near-Infrared Spectral Classification of Late-M and L Dwarfs
Reid, I.N., Burgasser, A.J., Cruz, K.L., Kirkpatrick, J.D., & Gizis, J.E. 2000, AJ, 121, 1710
Electronic Article (HTML)

Low-mass Binaries and the Luminosity Function
Reid, I.N., & Gizis, J.E. 1997, AJ, 113, 2246
Scanned Article

Low-mass Binaries in the Hyades -- A Scarcity of Brown Dwarfs
Reid, I.N., & Gizis, J.E. 1997, AJ, 114, 1992
Scanned Article
Postscript Preprint

The Distance to NGC 6397 by M-subdwarf Main-Sequence Fitting
Reid, I.N., & Gizis, J.E. 1998, AJ, 116, 2929
Electronic Journal (HTML)
Postscript Preprint

Faint M-dwarfs and the Structure of the Galactic Disk
Reid, I.N., Gizis, J.E., Cohen, J., Pahre, M., Hogg, D., Cowie, L., Hu, E., & Songaila, A. 1997, PASP, 109, 559
Postscript Preprint
Scanned Article

A Search for L Dwarf Binary Systems
Reid, I.N., Gizis, J.E., Kirkpatrick, J.D., & Koerner, D.W. 2000, AJ, 121, 489
Electronic Journal (HTML)

The Palomar/MSU Nearby Star Spectroscopic Survey. IV. The Luminosity Function in the Solar Neighbourhood and M Dwarf Kinematics
Reid, I.N., Gizis, J.E., & Hawley, S.L. 2002, AJ, 124, 2721
Electronic Journal (HTML)

The Palomar/MSU Nearby-Star Spectroscopic Survey - I: The Northern M-dwarfs - Bandstrengths and Kinematics
Reid, I.N., Hawley, S.L., & Gizis, J.E. 1995, AJ, 110, 1838
Scanned Article
Data Tables: CDS (France) or ADC (USA)
Erratum : 1996, AJ, 111, 2469
Note that the original electronic data files have been replaced with versions that combine Paper I and Paper II

Four Nearby L Dwarfs
Reid, I.N., Kirkpatrick, J.D., Gizis, J.E., Dahn, C.C., Monet, D.G., Williams, R.J., Liebert, J., Burgasser, A. 2000, AJ, 119, 369
Electronic Journal (HTML)

BRI0021-0214: Another Surprise at the Bottom of the Main Sequence
Reid, I.N., Kirkpatrick, J.D., Gizis, J.E., Liebert, J. ApJL, 527, L105
Electronic Journal (HTML)

L Dwarfs and the Substellar Mass Function
Reid, I.N., Kirkpatrick, J.D., Liebert, J., Burrows, A., Gizis, J.E., Burgasser, A., Dahn, C.C., Monet, D., Cutri, R., Beichman, C.A., & Skrutskie, M. 1999, ApJ., 521, 613
Summary (HTML)
Postscript Preprint (gzipped tar)
Postscript Preprint
Electronic Journal (HTML)

High Resolution Spectroscopy of Ultracool M Dwarfs
Reid, I.N., Kirkpatrick, J.D., Liebert, J., Gizis, J.E., Dahn, C.C., & Monet, D.G. 2002, AJ, 124, 519
Electronic Article (HTML)

Analysis of Keck HIRES Spectra of Early-L Dwarfs
Schweitzer, A., Gizis, J.E., Hauschildt, P.H., Allard, F., & Reid, I.N. 2001, ApJ, 555, 368
Electronic Article (HTML)

Effective Temperatures of Late L Dwarfs and the Onset of Methane Signatures
Schweitzer, A.. Gizis, J.E., Hauschildt, P.H., Allard, F., Howard, E.M., & Kirkpatrick, J. D. 2002, ApJ, 566, 435
Electronic Article (HTML)

Trigonometric Parallaxes and the HR Diagram at the Bottom of the Main Sequence.
Tinney, C.G., Reid, I.N., Gizis, J. & Mould, J.R., 1995, AJ, 110, 3014
Scanned Article

Three Wide Separation L-Dwarf Companions from 2MASS: Gl 337C, Gl 618.1B, and HD 89744B
Wilson, J.C., Kirkpatrick, J.D., Gizis, J.E., Skrutskie, M.F., Monet, D.G., & Houck, J.R. 2001, AJ, 122, 1989
Electronic Article (HTML)

CorMASS: A Compact and Efficient NIR Spectrograph for studying Low-Mass Objects
Wilson, J.C., Skrutskie, M.F. Colonno, M.R., Enos, A.T., Smith, J.D., Henderson, C.P., Gizis, J.E., Monet, D.G., & Houck, J.R. 2000, PASP, 113, 227
Electronic Journal (HTML)