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Related papers: The Distance to the Large Magellanic Cloud

200 papers

We present new and independent estimates of the distances to the Magellanic Clouds (MCs) using near-infrared (NIR) and optical--NIR period--Wesenheit (PW) relations. The slopes of the PW relations are, within the dispersion, linear over the…

Solar and Stellar Astrophysics · Physics 2015-06-12 G. Bono , L. Inno , N. Matsunaga , K. Genovali , B. Lemasle , F. Primas , M. Romaniello

We present a detailed comparison between predicted and empirical PL_{I,K} relations and Wesenheit function for Galactic and Magellanic Clouds (MCs) First Overtone (FO) Cepheids. We find that zero-points predicted by Galactic Cepheid models…

Astrophysics · Physics 2009-11-07 G. Bono , M. A. T. Groenewegen , M. Marconi , F. Caputo

We report the discovery of a substantial stellar overdensity in the periphery of the Large Magellanic Cloud (LMC), found using public imaging from the first year of the Dark Energy Survey. The structure appears to emanate from the edge of…

Astrophysics of Galaxies · Physics 2016-04-27 Dougal Mackey , Sergey E. Koposov , Denis Erkal , Vasily Belokurov , Gary S. Da Costa , Facundo A. Gómez

Recent observational studies using the Hubble Space Telescope (HST) have derived the center-of-mass proper motion (CMPM) of the Large Magellanic Cloud (LMC). Although these studies carefully treated both rotation and perspective effects in…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-27 Kenji Bekki

(abridged) New photometry and spectroscopy for more than a hundred RR Lyrae stars in two fields located close to the bar of the Large Magellanic Cloud (LMC) are used to derive new accurate estimates of the average magnitude, the local…

Astrophysics · Physics 2007-05-23 G. Clementini , R. G. Gratton , A. Bragaglia , E. Carretta , L. Di Fabrizio , M. Maio

We have obtained deep infrared $J$ and $K$ band observations of five fields located in the Large Magellanic Cloud (LMC) bar with the ESO New Technology Telescope equipped with the SOFI infrared camera. In our fields, 65 RR Lyrae stars…

Hubble Space Telescope V,I photometry of stars in the Large Magellanic Cloud Cluster NGC 1866 shows a well defined cluster main sequence down to V=25 mag, with little contamination from field or foreground stars. We use the main sequence…

Astrophysics · Physics 2009-11-07 A. R. Walker , G. Raimondo , E. Di Carlo , E. Brocato , V. Castellani , V. Hill

In this paper, we discuss and examine various issues concerning the recent findings that suggested the observed period-luminosity (P-L) relation for the Large Magellanic Cloud (LMC) Cepheids is nonlinear. These include (1) visualizing the…

Astrophysics · Physics 2008-11-26 C. Ngeow , S. Kanbur

We present results from the theoretical modelling of the observed B,V light curves of 14 RR Lyrae stars in the Large Magellanic Cloud. The sample includes 7 fundamental and 7 first overtone pulsators covering the metallicity range from…

Astrophysics · Physics 2009-11-10 Marcella Marconi , Gisella Clementini

We examine the implications of recent measurements of the Milky Way rotation for the trajectory of the Large Magellanic Cloud. The ~ 14+/-6% increase in the MW circular velocity relative to the IAU standard of 220 km/s changes the…

Astrophysics · Physics 2009-11-13 Genevieve Shattow , Abraham Loeb

The Large Magellanic Cloud (LMC) has a unique cluster formation history in that nearly all of its globular clusters were formed either $\sim$ 13 Gyr ago or less than $\sim$ 3 Gyr ago. It is not clear what physical mechanism is responsible…

Astrophysics · Physics 2009-11-10 K. Bekki , W. J. Couch , M. A. Beasley , D. A. Forbes , M. Chiba , G. S. Da Costa

We studied the spatial distribution of young and old stellar populations along the western half part of the minor axis of the Large Magellanic Cloud (LMC) using Washington MT1 photometry of selected fields, which span a deprojected distance…

Astrophysics of Galaxies · Physics 2017-12-06 Andrés E. Piatti

Using the USNO CCD Astrograph all-sky Catalog (UCAC2), we measure the mean proper motion of the two Magellanic Clouds. Appropriately selected LMC populations show a proper motion (<\mu RA>, <\mu DEC>) ~ (+0.84,+4.32) that is significantly…

Astrophysics · Physics 2009-11-11 Y. Momany , S. Zaggia

An expression is provided for the self-lensing optical depth of the thin LMC disk surrounded by a shroud of stars at larger scale heights. The formula is written in terms of the vertical velocity dispersion of the thin disk population. If…

Astrophysics · Physics 2009-10-31 N. W. Evans , E. J. Kerins

The zero point of the reddening toward the Large Magellanic Cloud (LMC) has been the subject of some dispute. Its uncertainty propagates as a systematic error for methods which measure the extragalactic distance scale through knowledge of…

Solar and Stellar Astrophysics · Physics 2021-04-14 David M. Nataf , Santi Cassisi , Luca Casagrande , Wenlong Yuan , Adam G. Riess

In this contribution I will present the current status of our project of stellar population analyses and spatial information of both Magellanic Clouds (MCs). The Magellanic Clouds - especially the LMC with its large size and small depth…

Astrophysics · Physics 2007-05-23 Jochen M. Braun

The VISTA near infrared Y, J, Ks survey of the Magellanic System (VMC) is collecting deep Ks band time series photometry of pulsating variable stars hosted by the two Magellanic Clouds and their connecting Bridge. In this paper, we present…

We estimate the mass of the Large Magellanic Cloud (LMC) using the kinematics of 30 LMC globular clusters (GCs). We combine proper motions (PMs) measured with HST, Gaia, or a combination of the two, from a recent study by Bennet et al.…

Astrophysics of Galaxies · Physics 2024-01-29 Laura L. Watkins , Roeland P. van der Marel , Paul Bennet

The structural parameters, like the inclination, i and the position angle of the line of nodes (PA_lon) of the disk of the Large Magellanic Cloud (LMC) are estimated using the JH photometric data of red clump stars from the Infrared Survey…

Astrophysics of Galaxies · Physics 2015-06-12 Smitha Subramanian , Annapurni Subramaniam

We present the largest near-infrared (NIR) data sets, $JHKs$, ever collected for classical Cepheids in the Magellanic Clouds (MCs). We selected fundamental (FU) and first overtone (FO) pulsators, and found 4150 (2571 FU, 1579 FO) Cepheids…

Solar and Stellar Astrophysics · Physics 2013-01-31 L. Inno , N. Matsunaga , G. Bono , F. Caputo , R. Buonanno , K. Genovali , C. D. Laney , M. Marconi , A. M. Piersimoni , F. Primas , M. Romaniello