English
Related papers

Related papers: Spectral Energy and Age Distributions for 51 Globu…

200 papers

This paper supplements Jiang et al. (2003), who studied 172 M31 globular clusters (GCs) and globular cluster candidates from Battistini et al. (1987) on the basis of integrated photometric measurements in the…

Cosmology and Nongalactic Astrophysics · Physics 2009-11-13 Jun Ma , Zhou Fan , Richard de Grijs , Zhenyu Wu , Xu Zhou , Jianghua Wu

In this paper we present CCD multicolor photometry for 172 globular clusters (GCs), taken from the Bologna catalog (Battistini et al. 1987), in the nearby spiral galaxy M31. The observations were carried out by using the National…

Astrophysics · Physics 2009-11-07 Linhua Jiang , Jun Ma , Xu Zhou , Jiansheng Chen , Hong Wu , Zhaoji Jiang

In this third paper of our series, we present CCD spectrophotometry of 78 star clusters that were detected by Chandar, Bianchi, & Ford in the nearby spiral galaxy M33. CCD images of M33 were obtained as a part of the BATC Color Survey of…

Astrophysics · Physics 2009-11-07 Jun Ma , Xu Zhou , Jiansheng Chen , Hong Wu , Zhaoji Jiang , Suijian Xue , Jin Zhu

This paper presents accurate spectral energy distributions (SEDs) of 16 M31 globular clusters (GCs) confirmed by spectroscopy and/or high spatial-resolution imaging, as well as 30 M31 globular cluster candidates detected by Mochejska et al.…

Astrophysics · Physics 2009-11-11 Jun Ma , Xu Zhou , David Burstein , Yanbin Yang , Zhou Fan , Jiansheng Chen , Zhaoji Jiang

We present photometry of 104 M31 globular clusters (GCs) and GC candidates in 15 intermediate-band filters of the Beijing-Arizona-Taiwan-Connecticut (BATC) photometric system. The GCs and GC candidates were selected from the Revised Bologna…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-18 Song Wang , Zhou Fan , Jun Ma , Richard de Grijs , Xu Zhou

Spectra of galaxies contain an enormous amount of information about the relative mixture of ages and metallicities of constituent stars. We present a comprehensive study designed to extract the maximum information from spectra of data…

Astrophysics · Physics 2008-11-26 Marsha J. Wolf , Niv Drory , Karl Gebhardt , Gary J. Hill

We present deep integrated-light spectroscopy of nine M33 globular clusters taken with the Hectospec instrument at the MMT Observatory. Based on our spectroscopy and previous deep color-magnitude diagrams obtained with HST/WFPC2, we present…

Astrophysics · Physics 2009-11-11 Rupali Chandar , Thomas H. Puzia , Ata Sarajedini , Paul Goudfrooij

We present a catalog of 2,990 extended sources in a 1deg x1deg area centered on M33 using the MegaCam camera on the 3.6m Canada-France-Hawaii telescope (CFHT). The catalog includes 599 new candidate stellar clusters, 204 previously…

Astrophysics of Galaxies · Physics 2015-05-19 Izaskun San Roman , Ata Sarajedini , Antonio Aparicio

We present a new catalog of star cluster candidates in the nearby spiral galaxy M33. It is based on eight existing catalogs wherein we have cross-referenced identifications and endeavored to resolve inconsistencies between them. Our catalog…

Astrophysics · Physics 2009-06-23 Ata Sarajedini , Conor L. Mancone

We have used deep ACS/WFC images of M33 to check nature of extended objects detected by the ground based survey of Zloczewski et al. (2008). A total of 24 candidates turned out to be genuine compact stellar clusters. In addition we detected…

Solar and Stellar Astrophysics · Physics 2009-03-24 K. Zloczewski , J. Kaluzny

In order to empirically determine the timescale and environmental dependence of stellar cluster disruption, we have undertaken an analysis of the unprecedented multi-pointing (seven), multi-wavelength (U, B, V, H$\alpha$, and I) Hubble…

Astrophysics of Galaxies · Physics 2015-06-18 E. Silva-Villa , A. Adamo , N. Bastian , M. Fouesneau , E. Zackrisson

In this paper we study the properties of ten halo globular clusters in the nearby spiral galaxy M33. CCD images of M33 were obtained as a part of the BATC Colour Survey of the sky in 13 intermediate-band filters from 3800 to 10000{\AA}. By…

Astrophysics · Physics 2009-11-07 Jun Ma , Xu Zhou , Jiansheng Chen , Hong Wu , Zhaoji Jiang , Suijian Xue , Jin Zhu

We present integrated photometry and color-magnitude diagrams for 161 star clusters in M33, of which 115 were previously uncataloged, using the Advanced Camera For Surveys Wide Field Channel onboard the Hubble Space Telescope. The…

Astrophysics of Galaxies · Physics 2011-02-11 Izaskun San Roman , Ata Sarajedini , Donald R. Garnett , Jon A. Holtzman

Buzzoni's (1989) grid of synthetic spectral energy distributions, representative of old stellar populations, was used to derive colours in different photometric systems, and to compare the theoretical predictions with the observational data…

Astrophysics · Physics 2007-05-23 S. Covino , L. E. Pasinetti Fracassini , M. L. Malagnini , A. Buzzoni

We present a result of age estimation for star clusters in M33. We obtain color-magnitude diagrams (CMDs) of resolved stars in 242 star clusters from the HST/WFPC2 images. We estimate ages of 100 star clusters among these, by fitting the…

Cosmology and Nongalactic Astrophysics · Physics 2009-08-05 Won-Kee Park , Hong Soo Park , Myung Gyoon Lee

We combine archival images for the nearby galaxy M33 (Triangulum Galaxy) from the ultraviolet (UV) to the infrared (IR) to derive ages, masses, and extinctions for the young star cluster population, and compare our physical parameters with…

Astrophysics of Galaxies · Physics 2021-12-22 Caitlin Moeller , Daniela Calzetti

We report on the properties of 89 low mass star clusters located in the vicinity of luminous young clusters (blue globulars) in the disk of M31. 82 of the clusters are newly detected. We have determined their integrated magnitudes and…

Astrophysics of Galaxies · Physics 2015-05-13 P. W. Hodge , O. K. Krienke , M. Bellazzini , S. Perina , P. Barmby , J. G. Cohen , T. H. Puzia , J. Strader

We present integrated photometry and color-magnitude diagrams (CMDs) for 24 star clusters in M33, of which 12 were previously uncataloged. These results are based on Advanced Camera for Surveys observations from the Hubble Space Telescope…

Astrophysics · Physics 2008-11-26 Ata Sarajedini , M. K. Barker , Doug Geisler , Paul Harding , Robert Schommer

Stromgren uvby CCD photometry can be used in a variety of ways to constrain the absolute and relative ages of globular clusters. The reddening corrected (v-y, c1) diagram offers the means to derive ages that are completely independent of…

Astrophysics · Physics 2007-05-23 Frank Grundahl

The photometric characterization of M33 star clusters is far from complete. In this paper, we present homogeneous $UBVRI$ photometry of 708 star clusters and cluster candidates in M33 based on archival images from the Local Group Galaxies…

Astrophysics of Galaxies · Physics 2015-06-18 Zhou Fan , Richard de Grijs
‹ Prev 1 2 3 10 Next ›