HUBBLE TARANTULA TREASURY PROJECT. III. PHOTOMETRIC CATALOG AND RESULTING CONSTRAINTS ON THE PROGRESSION OF STAR FORMATION IN THE 30 DORADUS REGION

被引：79

作者：

Sabbi, E. ^{[1
]}

Lennon, D. J. ^{[2
]}

Anderson, J. ^{[1
]}

Cignoni, M. ^{[1
]}

van der Marel, R. P. ^{[1
]}

Zaritsky, D. ^{[3
]}

De Marchi, G. ^{[4
]}

Panagia, N. ^{[1
,5
,6
]}

Gouliermis, D. A. ^{[7
,8
]}

Grebel, E. K. ^{[9
]}

Gallagher, J. S., III ^{[10
]}

Smith, L. J. ^{[11
]}

Sana, H. ^{[1
]}

Aloisi, A. ^{[1
]}

Tosi, M. ^{[12
]}

Evans, C. J. ^{[13
]}

Arab, H. ^{[1
]}

Boyer, M. ^{[14
,15
]}

de Mink, S. E. ^{[16
]}

Gordon, K. ^{[1
]}

Koekemoer, A. M. ^{[1
]}

Larsen, S. S. ^{[17
]}

Ryon, J. E. ^{[10
]}

Zeidler, P. ^{[9
]}

机构：

[1] Space Telescope Sci Inst, 3700 San Martin Dr, Baltimore, MD 21218 USA

[2] ESA European Space Astron Ctr, Apdo Correo 78, E-28691 Madrid, Spain

[3] Univ Arizona, Steward Observ, 933 North Cherry Ave, Tucson, AZ 85721 USA

[4] European Space Agcy, Dept Space Sci, Keplerlaan 1, NL-2200 AG Noordwijk, Netherlands

[5] Osserv Astrofis Catania, Ist Nazl Astrofis, Via Santa Sofia 78, I-95123 Catania, Italy

[6] Supernova Ltd, OYV 131,Northsound Rd, Virgin Gorda, British Virgin, England

[7] Heidelberg Univ, Zentrum Astron, Inst Theoret Astrophys, Albert Ueberle Str 2, D-69120 Heidelberg, Germany

[8] Max Planck Inst Astron, Konigstuhl 17, D-69117 Heidelberg, Germany

[9] Heidelberg Univ, Zentrum Astron, Astron Rechen Inst, Monchhofstr 12-14, D-69120 Heidelberg, Germany

[10] Univ Wisconsin, Dept Astron, 475 N Charter St, Madison, WI 53706 USA

[11] ESA STScI, 3700 San Martin Dr, Baltimore, MD 21218 USA

[12] Osservatorio Astron Bologna, Ist Nazl Astrofis, Via Ranzani 1, I-40127 Bologna, Italy

[13] Royal Observ, UK Astron Technol Ctr, Blackford Hill, Edinburgh EH9 3HJ, Midlothian, Scotland

[14] NASA, Goddard Space Flight Ctr, Observat Cosmol Lab, Code 665, Greenbelt, MD 20771 USA

[15] Oak Ridge Associated Univ, Oak Ridge, TN 37831 USA

[16] Univ Amsterdam, Astron Inst Anton Pannekoek, POB 94249, NL-1090 GE Amsterdam, Netherlands

[17] Radboud Univ Nijmegen, Dept Astrophys IMAPP, POB 9010, NL-6500 GL Nijmegen, Netherlands

来源：

ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES | 2016年 / 222卷 / 01期

基金：

欧盟地平线“2020”;

关键词：

catalogs; galaxies: star clusters: individual (30 Doradus); Magellanic Clouds; stars: formation; stars: imaging; stars: pre-main sequence; LARGE-MAGELLANIC-CLOUD; GRAVITATIONAL LENSING EXPERIMENT; GALAXY EVOLUTION SAGE; INITIAL MASS FUNCTION; M-CIRCLE-DOT; STELLAR EVOLUTION; INTERMEDIATE-MASS; FORMATION HISTORY; IONIZING CLUSTER; SPITZER SURVEY;

D O I：

10.3847/0067-0049/222/1/11

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We present and describe the astro-photometric catalog of more than 800,000 sources found in the Hubble Tarantula Treasury Project (HTTP). HTTP is a Hubble Space Telescope Treasury program designed to image the entire 30 Doradus region down to the sub-solar (similar to 0.5M(circle dot)) mass regime using the Wide Field Camera 3 and the Advanced Camera for Surveys. We observed 30 Doradus in the near-ultraviolet (F275W, F336W), optical (F555W, F658N, F775W), and near-infrared (F110W, F160W) wavelengths. The stellar photometry was measured using point-spread function fitting across all. bands simultaneously. The relative astrometric accuracy of the catalog is 0.4 mas. The astro-photometric catalog, results from artificial star experiments, and the mosaics for all the filters are available for download. Color-magnitude diagrams are presented showing the spatial distributions and ages of stars within 30 Dor as well as in the surrounding fields. HTTP provides the first rich and statistically significant sample of intermediate-and low-mass pre-main sequence candidates and allows us to trace how star formation has been developing through the region. The depth and high spatial resolution of our analysis highlight the dual role of stellar feedback in quenching and triggering star formation on the giant H II region scale. Our results are consistent with stellar sub-clustering in a partially filled gaseous nebula that is offset toward our side of the Large Magellanic Cloud.

引用

页数：25

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