相关论文: The PIPER Survey: I. An Initial Look at the Interg…

The globular cluster system in NGC5866: optical observations from HST Advanced Camera for Surveys

We perform a detailed study of the Globular Cluster (GC) system in the galaxy NGC5866 based on F435W, F555W, and F625W (~ B, V, and R) HST Advanced Camera for Surveys images. Adopting color, size and shape selection criteria, the final list…

天体物理学 · 物理学 2015-05-13 Cantiello , Michele , Blakeslee , John P. , Raimondo , Gabriella

Euclid: Early Release Observations -- Dwarf galaxies in the Perseus galaxy cluster

We make use of the unprecedented depth, spatial resolution, and field of view of the Euclid Early Release Observations of the Perseus galaxy cluster to detect and characterise the dwarf galaxy population in this massive system. The Euclid…

星系天体物理 · 物理学 2025-04-30 F. R. Marleau , J. -C. Cuillandre , M. Cantiello , D. Carollo , P. -A. Duc , R. Habas , L. K. Hunt , P. Jablonka , M. Mirabile , M. Mondelin , M. Poulain , T. Saifollahi , R. Sánchez-Janssen , E. Sola , M. Urbano , R. Zöller , M. Bolzonella , A. Lançon , R. Laureijs , O. Marchal , M. Schirmer , C. Stone , A. Boselli , A. Ferré-Mateu , N. A. Hatch , M. Kluge , M. Montes , J. G. Sorce , C. Tortora , A. Venhola , J. B. Golden-Marx , N. Aghanim , A. Amara , S. Andreon , N. Auricchio , M. Baldi , A. Balestra , S. Bardelli , P. Battaglia , R. Bender , C. Bodendorf , E. Branchini , M. Brescia , J. Brinchmann , S. Camera , G. P. Candini , V. Capobianco , C. Carbone , J. Carretero , S. Casas , M. Castellano , S. Cavuoti , A. Cimatti , G. Congedo , C. J. Conselice , L. Conversi , Y. Copin , F. Courbin , H. M. Courtois , M. Cropper , A. Da Silva , H. Degaudenzi , A. M. Di Giorgio , J. Dinis , M. Douspis , C. A. J. Duncan , X. Dupac , S. Dusini , A. Ealet , M. Farina , S. Farrens , S. Ferriol , P. Fosalba , S. Fotopoulou , M. Frailis , E. Franceschi , M. Fumana , S. Galeotta , B. Garilli , W. Gillard , B. Gillis , C. Giocoli , P. Gómez-Alvarez , A. Grazian , F. Grupp , L. Guzzo , M. Hailey , S. V. H. Haugan , J. Hoar , H. Hoekstra , W. Holmes , I. Hook , F. Hormuth , A. Hornstrup , D. Hu , P. Hudelot , K. Jahnke , M. Jhabvala , E. Keihänen , S. Kermiche , A. Kiessling , T. Kitching , R. Kohley , B. Kubik , K. Kuijken , M. Kümmel , M. Kunz , H. Kurki-Suonio , O. Lahav , D. Le Mignant , S. Ligori , P. B. Lilje , V. Lindholm , I. Lloro , D. Maino , E. Maiorano , O. Mansutti , O. Marggraf , K. Markovic , N. Martinet , F. Marulli , R. Massey , S. Maurogordato , H. J. McCracken , E. Medinaceli , S. Mei , Y. Mellier , M. Meneghetti , E. Merlin , G. Meylan , M. Moresco , L. Moscardini , E. Munari , R. Nakajima , R. C. Nichol , S. -M. Niemi , C. Padilla , S. Paltani , F. Pasian , K. Pedersen , W. J. Percival , V. Pettorino , S. Pires , G. Polenta , M. Poncet , L. A. Popa , L. Pozzetti , F. Raison , R. Rebolo , A. Refregier , A. Renzi , J. Rhodes , G. Riccio , H. -W. Rix , E. Romelli , M. Roncarelli , E. Rossetti , R. Saglia , D. Sapone , R. Scaramella , P. Schneider , A. Secroun , G. Seidel , M. Seiffert , S. Serrano , C. Sirignano , G. Sirri , L. Stanco , P. Tallada-Crespí , A. N. Taylor , H. I. Teplitz , I. Tereno , R. Toledo-Moreo , A. Tsyganov , I. Tutusaus , E. A. Valentijn , L. Valenziano , T. Vassallo , G. Verdoes Kleijn , A. Veropalumbo , Y. Wang , J. Weller , O. R. Williams , G. Zamorani , E. Zucca , C. Baccigalupi , A. Biviano , C. Burigana , G. De Lucia , K. George , V. Scottez , M. Viel , P. Simon , A. Mora , J. Martín-Fleitas , D. Scott

HST Paschen-alpha Survey of the Galactic Center: Data Reduction and Products

Our HST/NICMOS Pa survey of the Galactic center (GC) provides a uniform, panoramic, high-resolution map of stars and ionized diffuse gas in the central 416 arcmin^2 of the Galaxy. This survey was carried out with 144 HST orbits using two…

星系天体物理 · 物理学 2015-05-28 H. Dong , Q. D. Wang , A. Cotera , S. Stolovy , M. R. Morris , J. Mauerhan , E. A. Mills , G. Schneider , D. Calzetti , C. Lang

INTEGRAL Observations of the Perseus cluster

We present the results of a 500 ksec observation of the Perseus cluster with INTEGRAL, with the aim of investigating the possible diffuse non-thermal component detected in a previous Chandra observation. In the 3-20 keV band with the JEM-X…

天体物理学 · 物理学 2009-11-13 D. Eckert , S. Paltani

The globular cluster system of the nearest Seyfert II galaxy Circinus

Context. The globular cluster (GC) system of Circinus galaxy has not been probed previously partly because of the location of the galaxy at - 3.8$^\circ$ Galactic latitude which suffers severely from interstellar extinction, stellar…

星系天体物理 · 物理学 2023-02-01 C. Obasi , M. Gómez , D. Minniti , J. Alonso-García , M. Hempel , J. B. Pullen , M. D. Gregg , L. D. Baravalle , M. V. Alonso , B. I. Okere

Specific Frequencies and Luminosity Profiles of Cluster Galaxies and Intracluster Light in Abell 1689

We present magnitudes and profile fits for 180 galaxies in the central field of the massive lensing cluster Abell 1689 using very deep imaging with the ACS/HST in the F814W bandpass. Previous work revealed an exceptionally large number of…

星系天体物理 · 物理学 2017-11-01 K. A. Alamo-Martínez , J. P. Blakeslee

Globular Clusters in nearby Galaxy Cluster

The discovery of a large population of intra-cluster star clusters in the central region of the Hydra I and Centaurus galaxy clusters is presented. Based on deep VLT photometry (V,I), many star clusters have been identified not only around…

天体物理学 · 物理学 2009-11-07 Michael Hilker

Dissecting the Perseus-Pisces supercluster observed with CFHT-MegaCam: Investigating environmental effects on galaxy morphology

The discovery of the large-scale structure has transformed our view of galaxy formation and evolution. Filaments of the cosmic web provide key environments that channel the growth of structures. Guided by predictions from cosmological…

星系天体物理 · 物理学 2025-11-11 M. Mondelin , S. Codis , J-C. Cuillandre , C. Laigle , A. Boselli , K. Kraljic , C. Stone

Star formation in Perseus

We present a complete survey of current star formation in the Perseus molecular cloud, made at 850 and 450 micron with SCUBA at the JCMT. Covering 3 deg^2, this submillimetre continuum survey for protostellar activity is second in size only…

天体物理学 · 物理学 2007-05-23 J. Hatchell , J. S. Richer , G. A. Fuller , C. J. Qualtrough , E. F. Ladd , C. J. Chandler

Optical Colors of Intracluster Light in the Virgo Cluster Core

We continue our deep optical imaging survey of the Virgo cluster using the CWRU Burrell Schmidt telescope by presenting B-band surface photometry of the core of the Virgo cluster in order to study the cluster's intracluster light (ICL). We…

宇宙学与河外天体物理 · 物理学 2015-05-18 Craig S. Rudick , J. Christopher Mihos , Paul Harding , John J. Feldmeier , Steven Janowiecki , Heather L. Morrison

Euclid: The first statistical census of dusty and massive objects in the ERO/Perseus field

Our comprehension of the history of star formation at $z>3$ relies on rest-frame UV observations, yet this selection misses the most dusty and massive sources, yielding an incomplete census at early times. Infrared facilities such as…

星系天体物理 · 物理学 2026-02-25 G. Girardi , A. Grazian , G. Rodighiero , L. Bisigello , G. Gandolfi , E. Bañados , S. Belladitta , J. R. Weaver , S. Eales , C. C. Lovell , K. I. Caputi , A. Enia , A. Bianchetti , E. Dalla Bontà , T. Saifollahi , A. Vietri , N. Aghanim , B. Altieri , S. Andreon , N. Auricchio , H. Aussel , C. Baccigalupi , M. Baldi , A. Balestra , S. Bardelli , P. Battaglia , A. Biviano , E. Branchini , M. Brescia , J. Brinchmann , S. Camera , G. Cañas-Herrera , V. Capobianco , C. Carbone , J. Carretero , S. Casas , M. Castellano , G. Castignani , S. Cavuoti , K. C. Chambers , A. Cimatti , C. Colodro-Conde , G. Congedo , C. J. Conselice , L. Conversi , Y. Copin , F. Courbin , H. M. Courtois , M. Cropper , A. Da Silva , H. Degaudenzi , G. De Lucia , A. M. Di Giorgio , H. Dole , M. Douspis , F. Dubath , C. A. J. Duncan , X. Dupac , S. Dusini , S. Escoffier , M. Farina , R. Farinelli , F. Faustini , S. Ferriol , S. Fotopoulou , M. Frailis , E. Franceschi , M. Fumana , S. Galeotta , K. George , B. Gillis , C. Giocoli , J. Gracia-Carpio , F. Grupp , S. V. H. Haugan , J. Hoar , W. Holmes , I. M. Hook , F. Hormuth , A. Hornstrup , P. Hudelot , K. Jahnke , M. Jhabvala , E. Keihänen , S. Kermiche , A. Kiessling , B. Kubik , M. Kümmel , M. Kunz , H. Kurki-Suonio , A. M. C. Le Brun , D. Le Mignant , P. Liebing , S. Ligori , P. B. Lilje , V. Lindholm , I. Lloro , G. Mainetti , D. Maino , E. Maiorano , O. Mansutti , S. Marcin , O. Marggraf , M. Martinelli , N. Martinet , F. Marulli , R. Massey , S. Maurogordato , E. Medinaceli , S. Mei , Y. Mellier , M. Meneghetti , E. Merlin , G. Meylan , A. Mora , M. Moresco , L. Moscardini , R. Nakajima , C. Neissner , R. C. Nichol , S. -M. Niemi , C. Padilla , S. Paltani , F. Pasian , K. Pedersen , W. J. Percival , V. Pettorino , G. Polenta , M. Poncet , L. A. Popa , L. Pozzetti , F. Raison , R. Rebolo , A. Renzi , J. Rhodes , G. Riccio , E. Romelli , M. Roncarelli , E. Rossetti , B. Rusholme , R. Saglia , Z. Sakr , D. Sapone , B. Sartoris , J. A. Schewtschenko , P. Schneider , T. Schrabback , A. Secroun , G. Seidel , M. Seiffert , S. Serrano , P. Simon , C. Sirignano , G. Sirri , L. Stanco , J. Steinwagner , P. Tallada-Crespí , D. Tavagnacco , A. N. Taylor , I. Tereno , R. Toledo-Moreo , F. Torradeflot , I. Tutusaus , L. Valenziano , J. Valiviita , T. Vassallo , G. Verdoes Kleijn , A. Veropalumbo , Y. Wang , J. Weller , G. Zamorani , F. M. Zerbi , E. Zucca , M. Bolzonella , C. Burigana , L. Gabarra , J. Martín-Fleitas , V. Scottez

Observing multiple stellar populations with FORS2@VLT - Main sequence photometry in outer regions of NGC 6752, NGC 6397, and NGC 6121 (M 4)

We present the photometric analysis of the external regions of three Galactic Globular Clusters: NGC 6121, NGC 6397 and NGC 6752. The main goal is the characterization of the multiple stellar populations along the main sequence (MS) and the…

太阳与恒星天体物理 · 物理学 2014-12-24 D. Nardiello , A. P. Milone , G. Piotto , A. F. Marino , A. Bellini , S. Cassisi

Euclid: Early Release Observations -- The surface brightness and colour profiles of the far outskirts of galaxies in the Perseus cluster

The Perseus field captured by Euclid as part of its Early Release Observations provides a unique opportunity to study cluster environment ranging from outskirts to dense regions. Leveraging unprecedented optical and near-infrared depths, we…

星系天体物理 · 物理学 2025-06-04 M. Mondelin , F. Bournaud , J. -C. Cuillandre , S. Codis , C. Stone , M. Bolzonella , J. G. Sorce , M. Kluge , N. A. Hatch , F. R. Marleau , M. Schirmer , H. Bouy , F. Buitrago , C. Tortora , L. Quilley , K. George , M. Baes , T. Saifollahi , P. M. Sanchez-Alarcon , J. H. Knapen , N. Aghanim , A. Amara , S. Andreon , C. Baccigalupi , A. Balestra , S. Bardelli , P. Battaglia , A. Biviano , E. Branchini , M. Brescia , J. Brinchmann , V. Capobianco , C. Carbone , M. Castellano , G. Castignani , S. Cavuoti , A. Cimatti , G. Congedo , C. J. Conselice , L. Conversi , Y. Copin , F. Courbin , H. M. Courtois , M. Cropper , G. De Lucia , X. Dupac , M. Fabricius , M. Farina , F. Faustini , S. Ferriol , S. Fotopoulou , B. Gillis , C. Giocoli , F. Grupp , S. V. H. Haugan , W. Holmes , F. Hormuth , A. Hornstrup , K. Jahnke , M. Jhabvala , E. Keih"anen , S. Kermiche , M. Kilbinger , B. Kubik , M. K"ummel , H. Kurki-Suonio , A. M. C. Le Brun , S. Ligori , P. B. Lilje , V. Lindholm , I. Lloro , D. Maino , E. Maiorano , O. Mansutti , S. Marcin , O. Marggraf , M. Martinelli , E. Medinaceli , Y. Mellier , E. Merlin , G. Meylan , L. Moscardini , S. -M. Niemi , C. Padilla , F. Pasian , K. Pedersen , W. J. Percival , V. Pettorino , S. Pires , M. Poncet , L. A. Popa , L. Pozzetti , A. Renzi , G. Riccio , E. Romelli , R. Saglia , P. Schneider , A. Secroun , S. Serrano , C. Sirignano , J. Steinwagner , I. Tereno , R. Toledo-Moreo , F. Torradeflot , I. Tutusaus , L. Valenziano , T. Vassallo , Y. Wang , J. Weller , F. M. Zerbi , E. Zucca , C. Burigana , V. Scottez

The SLUGGS Survey: The globular cluster systems of three early-type galaxies using wide-field imaging

We present the results from a wide-field imaging study of globular cluster (GC) systems in three early-type galaxies. Combinations of Subaru/Suprime-Cam, CFHT/MegaCam and HST/WFPC2/ACS data were used to determine the GC system properties of…

宇宙学与河外天体物理 · 物理学 2015-06-17 Sreeja S. Kartha , Duncan A. Forbes , Lee R. Spitler , Aaron J. Romanowsky , Jacob A. Arnold , Jean P. Brodie

Comparing Globular Cluster System Properties with Host Galaxy Environment

We present Hubble Space Telescope photometry in optical (F475X) and near-infrared (F110W) bands of the globular cluster (GC) systems of the inner halos of a sample of 15 massive elliptical galaxies. The targets are selected from the…

星系天体物理 · 物理学 2023-07-06 Kate Hartman , William E. Harris , John P. Blakeslee , Chung-Pei Ma , Jenny E. Greene

Globular clusters in the outer Galactic halo: new HST/ACS imaging of 6 globular clusters and the Galactic globular cluster age-metallicity relation

Color-magnitude diagrams (CMDs) derived from Hubble Space Telescope (HST) Advanced Camera for Surveys F606W,F814W photometry of 6 globular clusters (GCs) are presented. The six GCs form two loose groupings in Galactocentric distance (Rgc):…

星系天体物理 · 物理学 2015-05-28 Aaron Dotter , Ata Sarajedini , Jay Anderson

Galaxy Clusters in the IRAC Dark Field I: Growth of the red sequence

Using three newly identified galaxy clusters at z~1 (photometric redshift) we measure the evolution of the galaxies within clusters from high redshift to the present day by studying the growth of the red cluster sequence. The clusters are…

天体物理学 · 物理学 2009-11-13 J. E. Krick , J. A. Surace , D. Thompson , M. L. N. Ashby , J. L. Hora , V. Gorjian , L. Yan

Sustained formation of progenitor globular clusters in a giant elliptical galaxy

Globular clusters (GCs) are thought to be ancient relics from the early formative phase of galaxies, although their physical origin remains uncertain. GCs are most numerous around massive elliptical galaxies, where they can exhibit a broad…

星系天体物理 · 物理学 2020-10-13 Jeremy Lim , Emily Wong , Youichi Ohyama , Tom Broadhurst , Elinor Medezinski

The Hubble Space Telescope UV Legacy Survey of Galactic Globular Clusters. I. Overview of the Project and Detection of Multiple Stellar Populations

In this paper we describe a new UV-initiative HST project (GO-13297) that will complement the existing F606W and F814W database of the ACS Globular Cluster (GC) Treasury by imaging most of its clusters through UV/blue WFC3/UVIS filters…

太阳与恒星天体物理 · 物理学 2015-06-23 G. Piotto , A. P. Milone , L. R. Bedin , J. Anderson , I. R. King , A. Marino , D. Nardiello , A. Aparicio , B. Barbuy , A. Bellini , T. M. Brown , S. Cassisi , A. Cunial , E. Dalessandro , F. D'Antona , F. R. Ferraro , S. Hidalgo , B. Lanzoni , M. Monelli , S. Ortolani , A. Renzini , M. Salaris , A. Sarajedini , R. P. van der Marel , E. Vesperini , M. Zoccali

Galaxy Clusters in the Swift/BAT era: Hard X-rays in the ICM

We report about the detection of 10 clusters of galaxies in the ongoing Swift/BAT all-sky survey. This sample, which comprises mostly merging clusters, was serendipitously detected in the 15--55 keV band. We use the BAT sample to…

天体物理学 · 物理学 2008-12-18 M. Ajello , P. Rebusco , N. Cappelluti , O. Reimer , H. Boehringer , J. Greiner , N. Gehrels , J. Tueller , A. Moretti