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相关论文: The Stellar Membership of the Taurus Star-forming …

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We present a large sample of new members of the Taurus star-forming region that extend from stellar to planetary masses. To identify candidate members at substellar masses, we have used color-magnitude diagrams and proper motions measured…

太阳与恒星天体物理 · 物理学 2019-07-17 T. Esplin , K. Luhman

Previous studies have found that ~1 deg2 fields surrounding the stellar aggregates in the Taurus star-forming region exhibit a surplus of solar-mass stars relative to denser clusters like IC~348 and the Orion Nebula Cluster. To test whether…

星系天体物理 · 物理学 2017-01-11 K. L. Luhman , E. E. Mamajek , S. J. Shukla , N. P. Loutrel

I have used high-precision photometry and astrometry from the third data release of Gaia (DR3) to perform a survey for members of the Taurus star-forming region and young associations in its vicinity. This work has produced a new catalog of…

星系天体物理 · 物理学 2023-01-18 K. L. Luhman

The Taurus-Auriga association and its associated molecular cloud are a benchmark population for studies of star and planet formation. The census of Taurus-Auriga has been assembled over seven decades and has inherited the biases,…

The Taurus-Auriga complex is the prototypical low-mass star forming region, and provides a unique testbed of the star formation process, which left observable imprints on the spatial, kinematic, and temporal structure of its stellar…

星系天体物理 · 物理学 2021-08-25 Daniel M. Krolikowski , Adam L. Kraus , Aaron C. Rizzuto

We have analyzed nearly all images of the Taurus star-forming region at 3.6-24um that were obtained during the cryogenic mission of the Spitzer Space Telescope (46 deg^2) and have measured photometry for all known members of the region that…

星系天体物理 · 物理学 2015-03-13 K. L. Luhman , P. R. Allen , C. Espaillat , L. Hartmann , N. Calvet

We present the results of a deep, optical/IR wide field imaging survey of selected fields in the nearby (d ~ 140 pc) Taurus star-forming region. We report the discovery of 9 new members with spectral types M5.75-M9.5. We derive an Initial…

天体物理学 · 物理学 2007-05-23 Cesar Briceno , Kevin Luhman , Lee Hartmann , John Stauffer , Davy Kirkpatrick

We present the results of a search for new members of the Taurus star-forming region using the Infrared Array Camera (IRAC) aboard the Spitzer Space Telescope}. With IRAC images of 29.7 deg^2 of Taurus at 3.6, 4.5, 5.8, and 8.0 um, we have…

天体物理学 · 物理学 2008-11-26 K. L. Luhman , B. A. Whitney , M. R. Meade , B. L. Babler , R. Indebetouw , S. Bracker , E. B. Churchwell

By combining deep optical imaging and infrared spectroscopy with data from the Two-Micron All-Sky Survey (2MASS) and from previous studies (e.g., Briceno et al.), I have measured the Initial Mass Function (IMF) for a reddening-limited…

天体物理学 · 物理学 2017-08-24 K. L. Luhman

I have performed a search for young low-mass stars and brown dwarfs (BDs) in 2 regions encompassing a total area of 4 deg^2 in the Taurus star-forming region, discovering 15 new members of Taurus. In addition, I present 7 new members…

天体物理学 · 物理学 2008-11-26 K. L. Luhman

With the third data release of the Gaia mission $Gaia$ DR3 with its precise photometry and astrometry, it is now possible to study the behaviour of stars at a scale never seen before. In this paper, we developed new criteria to identify…

By combining photometry from the 2MASS Point Source Catalog and the USNO-B1.0 Catalog with optical and infrared spectroscopy, I have performed a search for young brown dwarfs in an area of 225 deg^2 encompassing all of the Taurus…

天体物理学 · 物理学 2008-11-26 K. L. Luhman

We present results from a large, high-spatial-resolution near-infrared imaging search for stellar and sub-stellar companions in the Taurus-Auriga star-forming region. The sample covers 64 stars with masses between those of the most massive…

太阳与恒星天体物理 · 物理学 2015-06-23 Sebastian Daemgen , Mariangela Bonavita , Ray Jayawardhana , David Lafreniere , Markus Janson

We are conducting a proper-motion survey for young brown dwarfs in the Taurus-Auriga molecular cloud based on the Pan-STARRS1 3$\pi$ Survey. Our search uses multi-band photometry and astrometry to select candidates, and is wider (370…

We report on the properties of pre-main-sequence objects in the Taurus molecular clouds as observed in 7 mid- and far-infrared bands with the Spitzer Space Telescope. There are 215 previously-identified members of the Taurus star-forming…

Briceno et al. recently used optical imaging, data from the Two-Micron All-Sky Survey (2MASS), and follow-up spectroscopy to search for young low-mass stars and brown dwarfs in 8 square degrees of the Taurus star-forming region. By the end…

We present the initial results from a survey for planetary-mass brown dwarfs in the Taurus star-forming region. We have identified brown dwarf candidates in Taurus using proper motions and photometry from several ground- and space-based…

太阳与恒星天体物理 · 物理学 2017-09-13 Taran Esplin , Kevin Luhman

In comparison with other well studied star formation regions, Taurus is unusual in several respects. (i) Its stellar initial mass function (IMF) peaks at relatively high mass ($\sim 0.8 M_\odot$), but contains very few stars much more…

天体物理学 · 物理学 2009-11-10 Simon P. Goodwin , A. P. Whitworth , Derek Ward-Thompson

We analyze high quality, complete stellar catalogs for four young (roughly 1 Myr) and nearby (within ~300 pc) star-forming regions: Taurus, Lupus3, ChaI, and IC348, which have been previously shown to have stellar groups whose properties…

星系天体物理 · 物理学 2015-05-30 Helen Kirk , Philip C. Myers

Context. Taurus represents an ideal region to study the three-dimensional distribution of the young stellar population and relate it to the associated molecular cloud. Aims. The second Gaia data release (DR2) enables us to investigate the…

太阳与恒星天体物理 · 物理学 2020-07-01 V. Roccatagliata , E. Franciosini , G. G. Sacco , S. Randich , A. Sicilia-Aguilar
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