mountain profile Institute for Astronomy University of Hawaii

Lucas A. Cieza

Maintained by LG
Lucas Cieza

Assistant Astronomer

PhD, University of Texas at Austin, 2007
lcieza at ifa.hawaii.edu

  • Structure and Evolution of Circumstellar Disks
  • Star and Planet Formation
  • Angular Momentum Evolution of PMS Stars

Honors and Awards

Large Collaborations

Selected Publications

The Nature of Transition Circumstellar Disks. I. The Ophiuchus Molecular Cloud
L. A. Cieza et al.
The Astrophysical Journal, 712, 925-941 (2010)

The Spitzer Survey of Interstellar Clouds in the Gould Belt. II. The Cepheus Flare Observed with IRAC and MIPS
J. M. Kirk et al.
The Astrophysical Journal Supplement Series, 185, 198-249 (2009)

Primordial Circumstellar Disks in Binary Systems: Evidence for Reduced Lifetimes
L. A. Cieza et al.
The Astrophysical Journal Letters, 696, L84-L88 (2009).

The Masses of Transition Circumstellar Disks: Observational Support for Photoevaporation Models 
L. A. Cieza, J. J. Swift, G. S. Mathews, & J. P. Williams 
The Astrophysical Journal Letters, 686,  L115-L118 (2008) 

Spitzer Observations of the Hyades: Circumstellar Debris Disks at 625 Myr of Age
L. A. Cieza, W. D. Cochran, & J.-C. Augereau
The Astrophysical Journal, 679, 720-731 (2008)

The Spitzer Survey of Interstellar Clouds in the Gould Belt. I. IC 5146 Observed With IRAC and MIPS 
P. M. Harvey et al.
The Astrophysical Journal, 680,  495-516 (2008) 

The Spitzer Gould Belt Survey of Large Nearby Interstellar Clouds: Discovery of a Dense Embedded Cluster in the Serpens-Aquila Rift
R. A. Gutermuth et al.
The Astrophysical Journal, 673, L151-L154 (2008)

The Evolution of Primordial Circumstellar Disks  (invited review)
L. A. Cieza 
New Horizons in Astronomy, Frank N. Bash Symposium 2007, ASP Conference Series, Vol. 393, 35-49 (2008) 

Testing the Disk Regulation Paradigm with Spitzer Observations. II. A Clear Signature of Star-Disk Interaction in NGC 2264 and the Orion Nebula Cluster
L. Cieza & N. Baliber
The Astrophysical Journal, 671, 605-615 (2007)

The Spitzer c2d Survey of Weak-Line T Tauri Stars. II. New Constraints on the Timescale for Planet Building
L. Cieza et al.
The Astrophysical Journal, 667, 308-328 (2007)

Spitzer Limits on Dust Emission and Optical Gas Absorption Variability around Nearby Stars with Edge-on Circumstellar Disk Signatures
S. Redfield, J. E. Kessler-Silacci, & L. A. Cieza
The Astrophysical Journal, 661, 944-971 (2007)

The Spitzer c2d Survey of Large, Nearby, Interstellar Clouds. IV. Lupus Observed with MIPS
N. L. Chapman et al.
The Astrophysical Journal, 667, 288-302 (2007)

Testing the Disk Regulation Paradigm with Spitzer Observations. I. Rotation Periods of Pre-Main-Sequence Stars in the IC 348 Cluster
L. Cieza & N. Baliber
The Astrophysical Journal, 649, 862-878 (2006)

The SPITZER c2d Survey of Weak-Line T Tauri Stars. I. Initial Results
D. L. Padgett et al.
The Astrophysical Journal, 645, 1283-1296 (2006)

Young, Low-Mass Brown Dwarfs with Mid-Infrared Excesses
K. N. Allers, J. E. Kessler-Silacci, L. A. Cieza, & D. T. Jaffe
The Astrophysical Journal, 644, 364-377 (2006)

The Spitzer c2d Survey of Large, Nearby, Interstellar Clouds. III. Perseus Observed with IRAC
J. K. Jørgensen et al.
The Astrophysical Journal, 645, 1246-1263 (2006)

Evidence for J- and H-Band Excess in Classical T Tauri Stars and the Implications for Disk Structure and Estimated Ages
L. Cieza, , J. E. Kessler-Silacci, D. T. Jaffe, P. M. Harvey, & N. J. Evans II
The Astrophysical Journal, 635, 422-441 (2005)

A "Starless Core" that Isn't: Detection of a Source in the L1014 Dense Core with the Spitzer Space Telescope
C. H. Young et al.
The Astrophysical Journal Supplement Series, 154, 396-401 (2004)