MINDS: The JWST MIRI Mid-INfrared Disk Survey

IF 3.3 3区 物理与天体物理 Q2 ASTRONOMY & ASTROPHYSICS Publications of the Astronomical Society of the Pacific Pub Date : 2024-05-15 DOI:10.1088/1538-3873/ad3455
Thomas Henning, Inga Kamp, Matthias Samland, Aditya M. Arabhavi, Jayatee Kanwar, Ewine F. van Dishoeck, Manuel Güdel, Pierre-Olivier Lagage, Christoffel Waelkens, Alain Abergel, Olivier Absil, David Barrado, Anthony Boccaletti, Jeroen Bouwman, Alessio Caratti o Garatti, Vincent Geers, Adrian M. Glauser, Fred Lahuis, Michael Mueller, Cyrine Nehmé, Göran Olofsson, Eric Pantin, Tom P. Ray, Silvia Scheithauer, Bart Vandenbussche, L. B. F. M. Waters, Gillian Wright, Ioannis Argyriou, Valentin Christiaens, Riccardo Franceschi, Danny Gasman, Sierra L. Grant, Rodrigo Guadarrama, Hyerin Jang, Maria Morales-Calderón, Nicole Pawellek, Giulia Perotti, Donna Rodgers-Lee, Jürgen Schreiber, Kamber Schwarz, Benoît Tabone, Milou Temmink, Marissa Vlasblom, Luis Colina, Thomas R. Greve and Göran Östlin
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Abstract

The study of protoplanetary disks has become increasingly important with the Kepler satellite finding that exoplanets are ubiquitous around stars in our galaxy and the discovery of enormous diversity in planetary system architectures and planet properties. High-resolution near-IR and ALMA images show strong evidence for ongoing planet formation in young disks. The JWST MIRI mid-INfrared Disk Survey (MINDS) aims to (1) investigate the chemical inventory in the terrestrial planet-forming zone across stellar spectral type, (2) follow the gas evolution into the disk dispersal stage, and (3) study the structure of protoplanetary and debris disks in the thermal mid-IR. The MINDS survey will thus build a bridge between the chemical inventory of disks and the properties of exoplanets. The survey comprises 52 targets (Herbig Ae stars, T Tauri stars, very low-mass stars and young debris disks). We primarily obtain MIRI/MRS spectra with high signal-to-noise ratio (∼100–500) covering the complete wavelength range from 4.9 to 27.9 μm. For a handful of selected targets we also obtain NIRSpec IFU high resolution spectroscopy (2.87–5.27 μm). We will search for signposts of planet formation in thermal emission of micron-sized dust—information complementary to near-IR scattered light emission from small dust grains and emission from large dust in the submillimeter wavelength domain. We will also study the spatial structure of disks in three key systems that have shown signposts for planet formation, TW Hya and HD 169142 using the MIRI coronagraph at 15.5 μm and 10.65 μm respectively and PDS 70 using NIRCam imaging in the 1.87 μm narrow and the 4.8 μm medium band filter. We provide here an overview of the MINDS survey and showcase the power of the new JWST mid-IR molecular spectroscopy with the TW Hya disk spectrum where we report the detection of the molecular ion and the robust confirmation of HCO+ earlier detected with Spitzer.
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MINDS: JWST MIRI 中红外盘巡天
随着开普勒卫星发现系外行星在银河系恒星周围无处不在,以及发现行星系统结构和行星特性的巨大多样性,原行星盘的研究变得越来越重要。高分辨率近红外和 ALMA 图像显示了年轻星盘中行星正在形成的有力证据。JWST MIRI 中红外盘巡天(MINDS)的目标是:(1)调查不同恒星光谱类型的地球行星形成区的化学库存;(2)跟踪进入盘散布阶段的气体演化;(3)研究热中红外原行星盘和碎片盘的结构。因此,MINDS 勘测将在盘的化学清单和系外行星的特性之间架起一座桥梁。这项观测包括 52 个目标(赫比格 Ae 星、金牛座恒星、极低质量恒星和年轻的碎片盘)。我们主要获取高信噪比(100-500)的 MIRI/MRS 光谱,覆盖从 4.9 到 27.9 μm 的整个波长范围。对于少数选定目标,我们还获得了 NIRSpec IFU 高分辨率光谱(2.87-5.27 μm)。我们将从微米级尘埃的热辐射中寻找行星形成的迹象--这些信息是对小尘埃颗粒的近红外散射光辐射和亚毫米波域中大尘埃辐射的补充。我们还将利用 15.5 μm 和 10.65 μm 波长的近红外成像仪日冕仪,以及利用 1.87 μm 窄波段和 4.8 μm 中波段滤光片的近红外成像仪成像技术,研究三个显示出行星形成迹象的关键系统--TW Hya 和 HD 169142,以及 PDS 70 中的星盘空间结构。我们在此概述了MINDS巡天的情况,并通过TW Hya盘的光谱展示了JWST新的中红外分子光谱技术的威力。
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来源期刊
Publications of the Astronomical Society of the Pacific
Publications of the Astronomical Society of the Pacific 地学天文-天文与天体物理
CiteScore
6.70
自引率
5.70%
发文量
103
审稿时长
4-8 weeks
期刊介绍: The Publications of the Astronomical Society of the Pacific (PASP), the technical journal of the Astronomical Society of the Pacific (ASP), has been published regularly since 1889, and is an integral part of the ASP''s mission to advance the science of astronomy and disseminate astronomical information. The journal provides an outlet for astronomical results of a scientific nature and serves to keep readers in touch with current astronomical research. It contains refereed research and instrumentation articles, invited and contributed reviews, tutorials, and dissertation summaries.
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