The Astrophysical Journal (Jan 2023)
Introducing the Texas Euclid Survey for Lyα (TESLA) Survey: Initial Study Correlating Galaxy Properties to Lyα Emission
- Óscar A. Chávez Ortiz,
- Steven L. Finkelstein,
- Dustin Davis,
- Gene Leung,
- Erin Mentuch Cooper,
- Micaela Bagley,
- Rebecca Larson,
- Caitlin M. Casey,
- Adam P. McCarron,
- Karl Gebhardt,
- Yuchen Guo,
- Chenxu Liu,
- Isaac Laseter,
- Jason Rhodes,
- Ralf Bender,
- Max Fabricius,
- Ariel G. Sánchez,
- Claudia Scarlata,
- Peter Capak,
- Lukas Zalesky,
- David Sanders,
- Istvan Szapudi,
- Eric Baxter,
- Conor McPartland,
- John R. Weaver,
- Sune Toft,
- Bahram Mobasher,
- Nao Suzuki,
- Nima Chartab
Affiliations
- Óscar A. Chávez Ortiz
- ORCiD
- Department of Astronomy, The University of Texas at Austin , 2515 Speedway Boulevard, Austin, TX 78712, USA ; [email protected]
- Steven L. Finkelstein
- ORCiD
- Department of Astronomy, The University of Texas at Austin , 2515 Speedway Boulevard, Austin, TX 78712, USA ; [email protected]
- Dustin Davis
- ORCiD
- Department of Astronomy, The University of Texas at Austin , 2515 Speedway Boulevard, Austin, TX 78712, USA ; [email protected]
- Gene Leung
- ORCiD
- Department of Astronomy, The University of Texas at Austin , 2515 Speedway Boulevard, Austin, TX 78712, USA ; [email protected]
- Erin Mentuch Cooper
- ORCiD
- Department of Astronomy, The University of Texas at Austin , 2515 Speedway Boulevard, Austin, TX 78712, USA ; [email protected]
- Micaela Bagley
- ORCiD
- Department of Astronomy, The University of Texas at Austin , 2515 Speedway Boulevard, Austin, TX 78712, USA ; [email protected]
- Rebecca Larson
- ORCiD
- Department of Astronomy, The University of Texas at Austin , 2515 Speedway Boulevard, Austin, TX 78712, USA ; [email protected]
- Caitlin M. Casey
- ORCiD
- Department of Astronomy, The University of Texas at Austin , 2515 Speedway Boulevard, Austin, TX 78712, USA ; [email protected]
- Adam P. McCarron
- ORCiD
- Department of Astronomy, The University of Texas at Austin , 2515 Speedway Boulevard, Austin, TX 78712, USA ; [email protected]
- Karl Gebhardt
- ORCiD
- Department of Astronomy, The University of Texas at Austin , 2515 Speedway Boulevard, Austin, TX 78712, USA ; [email protected]
- Yuchen Guo
- ORCiD
- Department of Astronomy, The University of Texas at Austin , 2515 Speedway Boulevard, Austin, TX 78712, USA ; [email protected]
- Chenxu Liu
- ORCiD
- Department of Astronomy, The University of Texas at Austin , 2515 Speedway Boulevard, Austin, TX 78712, USA ; [email protected]; South-Western Institute for Astronomy Research, Yunnan University , Kunming, Yunnan 650500, People's Republic of China
- Isaac Laseter
- ORCiD
- Department of Astronomy, University of Wisconsin-Madison , 475 North Charter Street, Madison, WI 53706, USA
- Jason Rhodes
- ORCiD
- Jet Propulsion Laboratory, California Institute of Technology , 4800 Oak Grove Drive, Pasadena, CA 91109, USA
- Ralf Bender
- ORCiD
- Max-Planck-Institut für extraterrestrische Physik , Postfach 1312, Giessenbachstr., D-85748 Garching, Germany
- Max Fabricius
- Max-Planck-Institut für extraterrestrische Physik , Postfach 1312, Giessenbachstr., D-85748 Garching, Germany
- Ariel G. Sánchez
- ORCiD
- Max-Planck-Institut für extraterrestrische Physik , Postfach 1312, Giessenbachstr., D-85748 Garching, Germany
- Claudia Scarlata
- ORCiD
- Minnesota Institute for Astrophysics, University of Minnesota , 116 Church Street SE, Minneapolis, MN 55455, USA
- Peter Capak
- ORCiD
- Infrared Processing and Analysis Center , 1200 E California Boulevard, Pasadena, CA 91125, USA
- Lukas Zalesky
- ORCiD
- University of Hawaii Institute for Astronomy , 2680 Woodlawn Drive, Honolulu, HI 96822, USA
- David Sanders
- ORCiD
- University of Hawaii Institute for Astronomy , 2680 Woodlawn Drive, Honolulu, HI 96822, USA
- Istvan Szapudi
- ORCiD
- University of Hawaii Institute for Astronomy , 2680 Woodlawn Drive, Honolulu, HI 96822, USA
- Eric Baxter
- ORCiD
- University of Hawaii Institute for Astronomy , 2680 Woodlawn Drive, Honolulu, HI 96822, USA
- Conor McPartland
- ORCiD
- Cosmic Dawn Center (DAWN), Niels Bohr Institute, University of Copenhagen , Jagtvej 128, København N, DK-2200, Denmark
- John R. Weaver
- ORCiD
- Department of Astronomy, University of Massachusetts , Amherst, MA 01003, USA; Cosmic Dawn Center (DAWN) , Copenhagen, Denmark; Niels Bohr Institute, University of Copenhagen , Jagtvej 128, København N, DK-2200, Denmark
- Sune Toft
- ORCiD
- Cosmic Dawn Center (DAWN) , Copenhagen, Denmark; Niels Bohr Institute, University of Copenhagen , Jagtvej 128, København N, DK-2200, Denmark
- Bahram Mobasher
- E.O. Lawrence Berkeley National Lab , Berkeley, CA 94720, USA
- Nao Suzuki
- ORCiD
- E.O. Lawrence Berkeley National Lab , Berkeley, CA 94720, USA
- Nima Chartab
- ORCiD
- The Observatories of the Carnegie Institution for Science , 813 Santa Barbara St., Pasadena, CA 91101, USA
- DOI
- https://doi.org/10.3847/1538-4357/acc403
- Journal volume & issue
-
Vol. 952,
no. 2
p. 110
Abstract
We present the Texas Euclid Survey for Ly α (TESLA), a spectroscopic survey in the 10 deg ^2 of the Euclid North Ecliptic Pole (NEP) field. Using TESLA, we study how the physical properties of Ly α emitters (LAEs) correlate with Ly α emission to understand the escape of Ly α emission from galaxies at redshifts of 2–3.5. We present an analysis of 43 LAEs performed in the NEP field using early data from the TESLA survey. We use Subaru Hyper Suprime-Cam imaging in the grizy bands, Spitzer/IRAC channels 1 and 2 from the Hawaii 20 deg ^2 (H20) survey, and spectra acquired by the Visible Integral-Field Replicable Unit Spectrograph (VIRUS) on the Hobby–Eberly Telescope. We perform spectral energy distribution (SED) fitting to compute the galaxy properties of 43 LAEs, and study correlations between stellar mass, star formation rate (SFR), and dust to the Ly α rest-frame equivalent width ( W _Ly _α ). We uncover marginal (1 σ significance) correlations between stellar mass and W _Ly _α , and SFR and W _Ly _α , with a Spearman correlation coefficient of −0. ${34}_{-.14}^{+.17}$ and −0. ${37}_{-.14}^{+.16}$ , respectively. We show that the W _Ly _α distribution of the 43 LAEs is consistent with being drawn from an exponential distribution with an e-folding scale of W _0 = 150 Å. Once complete the TESLA survey will enable the study of ≳50,000 LAEs to explore more correlations between galaxy properties and W _Ly _α . The large sample size will allow the construction of a predictive model for W _Ly _α as a function of SED-derived galaxy properties, which could be used to improve Ly α -based constraints on reionization.
Keywords
