Related papers: Extended far-ultraviolet emission in distant dwarf…

High-Redshift Galaxies: The Far-Infrared and Sub-Millimeter View

Observations at long wavelengths, in the wide interval from a few to 1000 micron, are essential to study diffuse media in galaxies, including all kinds of atomic, ionic and molecular gases and dust grains. Hence they are particularly suited…

Astrophysics · Physics 2007-05-23 Alberto Franceschini

Dust in an extremely metal-poor galaxy: mid-infrared observations of SBS 0335-052

The metal deficient (Z = Z_sun/41) Blue Compact Dwarf Galaxy (BCD) SBS 0335-052 was observed with ISOCAM between 5 and 17 mic. With a L_12mic/L_B ratio of 2.15, the galaxy is unexpectedly bright in the mid-infrared for such a…

Astrophysics · Physics 2009-10-31 T. X. Thuan , M. Sauvage , S. Madden

The evolutionary status of the low-metallicity blue compact dwarf galaxy SBS 0940+544

We present the results of spectrophotometry and V,R,I, Halpha CCD photometry of the blue compact dwarf (BCD) galaxy SBS 0940+544. Broad-band images taken with the 2.1m KPNO and 1.23m Calar Alto telescopes reveal a compact…

Astrophysics · Physics 2014-10-13 N. G. Guseva , Y. I. Izotov , P. Papaderos , F. H. Chaffee , C. B. Foltz , R. F. Green , T. X. Thuan , K. J. Fricke , K. G. Noeske

The first GLIMPSE of the faint galaxy population at Cosmic Dawn with JWST: The evolution of the ultraviolet luminosity function across z~9-15

Using ultra-deep JWST NIRCam imaging from the GLIMPSE Survey, enhanced by gravitational lensing of the AbellS1063 cluster, we investigate the faintest galaxies ever observed in the redshift range z~9 to z~15. We identify 105 galaxy…

Astrophysics of Galaxies · Physics 2026-02-04 Iryna Chemerynska , Hakim Atek , Lukas J. Furtak , John Chisholm , Ryan Endsley , Vasily Kokorev , Joki Rosdahl , Jeremy Blaizot , Angela Adamo , Rychard Bouwens , Seiji Fujimoto , Damien Korber , Charlotte Mason , Kristen B. W. McQuinn , Julian B. Muñoz , Priyamvada Natarajan , Erica Nelson , Pascal A. Oesch , Richard Pan , Johan Richard , Alberto Saldana-Lopez , Marta Volonteri , Adi Zitrin , Danielle A. Berg , Adélaïde Claeyssens , Miroslava Dessauges-Zavadsky , Michelle Jecmen , Ivo Labbé , Rohan Naidu , Maxime Trebitsch

New insights into the photometric structure of Blue Compact Dwarf Galaxies from a deep Near-Infrared study

We present deep Near-Infrared (NIR) imaging of Blue Compact Dwarf Galaxies (BCDs), allowing for the first time to derive and systematize the NIR structural properties of their stellar low-surface brightness (LSB) host galaxies. Compared to…

Astrophysics · Physics 2009-11-07 K. G. Noeske , P. Papaderos , L. M. Cairos , K. J. Fricke

Discovery of an Ultra-Faint Dwarf Galaxy in the Intracluster Field of the Virgo Center : A fossil of the First Galaxies?

Ultra-faint dwarf galaxies (UFDs) are newcomers among galaxies, and are the faintest galaxies in the observed universe. To date, they have only been found around the Milky Way Galaxy and M31 in the Local Group. We present the discovery of…

Astrophysics of Galaxies · Physics 2015-06-23 In Sung Jang , Myung Gyoon Lee

Starbursts, Dark Matter and Dwarf Galaxy Evolution

Optical and HI imaging of both dwarf irregular (dI) and Blue Compact Dwarf (BCD) galaxies reveal important clues on how dwarf galaxies evolve and their star formation is regulated. Both usually show evidence for stellar and gaseous disks.…

Astrophysics · Physics 2007-05-23 G. R. Meurer

The optical-to-radio spectral energy distributions of low-metallicity blue compact dwarf galaxies

We present global spectral energy distributions (SEDs) from 0.3$\mu$m to 90cm for a sample of seven low-metallicity blue compact dwarf galaxies (BCDs). In addition to data compiled from the literature, we report new SCUBA data for the…

Astrophysics · Physics 2009-11-10 Leslie Hunt , Simone Bianchi , Roberto Maiolino

HST observations of the blue compact dwarf SBS 0335-052: a probable young galaxy

We present HST WFPC2 V and I images and GHRS UV spectrophotometry of the spectral regions around Ly$_alpha$ and OI 1302 of the extremely metal-deficient (Z~Zsun/41) blue compact dwarf (BCD) galaxy SBS 0335-052. All the star formation in the…

Astrophysics · Physics 2009-10-28 Trinh X. Thuan , Yu. I. Izotov , V. A. Lipovetsky

Evolution of Young Brown Dwarf Disks in the Mid-Infrared

We have imaged two bona-fide brown dwarfs with TReCS/GEMINI-S and find mid-infrared excess emission that can be explained by optically thick dust disk models. In the case of the young ($\approx$2Myr) Cha H$\alpha$1 we measure fluxes at…

Astrophysics · Physics 2009-11-10 Michael F. Sterzik , Ilaria Pascucci , Daniel Apai , Nicole van der Bliek , Cornelis P. Dullemond

Euclid Quick Data Release (Q1): Hunting for luminous z > 6 galaxies in the Euclid Deep Fields -- forecasts and first bright detections

The evolution of the rest-frame ultraviolet luminosity function (UV LF) is a powerful probe of early star formation and stellar mass build-up. At z > 6, its bright end (MUV < -21) remains poorly constrained due to the small volumes of…

Astrophysics of Galaxies · Physics 2025-11-25 Euclid Collaboration , N. Allen , P. A. Oesch , R. A. A. Bowler , S. Toft , J. Matharu , J. R. Weaver , C. J. R. McPartland , M. Shuntov , D. B. Sanders , B. Mobasher , H. J. McCracken , H. Atek , E. Bañados , S. W. J. Barrow , S. Belladitta , D. Carollo , M. Castellano , C. J. Conselice , P. R. M. Eisenhardt , Y. Harikane , G. Murphree , M. Stefanon , S. M. Wilkins , A. Amara , S. Andreon , N. Auricchio , C. Baccigalupi , M. Baldi , A. Balestra , S. Bardelli , P. Battaglia , R. Bender , A. Biviano , E. Branchini , M. Brescia , J. Brinchmann , S. Camera , G. Cañas-Herrera , V. Capobianco , C. Carbone , J. Carretero , G. Castignani , S. Cavuoti , K. C. Chambers , A. Cimatti , C. Colodro-Conde , G. Congedo , L. Conversi , Y. Copin , F. Courbin , H. M. Courtois , M. Cropper , A. Da Silva , H. Degaudenzi , G. De Lucia , H. Dole , F. Dubath , C. A. J. Duncan , X. Dupac , S. Dusini , S. Escoffier , M. Farina , R. Farinelli , F. Faustini , S. Ferriol , F. Finelli , N. Fourmanoit , M. Frailis , E. Franceschi , M. Fumana , S. Galeotta , K. George , B. Gillis , C. Giocoli , J. Gracia-Carpio , A. Grazian , F. Grupp , S. V. H. Haugan , H. Hoekstra , W. Holmes , I. M. Hook , F. Hormuth , A. Hornstrup , K. Jahnke , M. Jhabvala , B. Joachimi , E. Keihänen , S. Kermiche , A. Kiessling , B. Kubik , K. Kuijken , M. Kümmel , M. Kunz , H. Kurki-Suonio , A. M. C. Le Brun , D. Le Mignant , S. Ligori , P. B. Lilje , V. Lindholm , I. Lloro , G. Mainetti , D. Maino , E. Maiorano , O. Mansutti , O. Marggraf , M. Martinelli , N. Martinet , F. Marulli , R. J. Massey , E. Medinaceli , S. Mei , Y. Mellier , M. Meneghetti , E. Merlin , G. Meylan , A. Mora , M. Moresco , L. Moscardini , R. Nakajima , C. Neissner , 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 , A. Renzi , J. Rhodes , G. Riccio , E. Romelli , M. Roncarelli , R. Saglia , Z. Sakr , D. Sapone , B. Sartoris , M. Schirmer , P. Schneider , T. Schrabback , A. Secroun , E. Sefusatti , G. Seidel , S. Serrano , P. Simon , C. Sirignano , G. Sirri , L. Stanco , J. Steinwagner , P. Tallada-Crespí , A. N. Taylor , H. I. Teplitz , I. Tereno , N. Tessore , R. Toledo-Moreo , F. Torradeflot , I. Tutusaus , L. Valenziano , J. Valiviita , T. Vassallo , Y. Wang , J. Weller , G. Zamorani , F. M. Zerbi , E. Zucca , V. Allevato , M. Ballardini , M. Bolzonella , E. Bozzo , C. Burigana , R. Cabanac , M. Calabrese , A. Cappi , D. Di Ferdinando , J. A. Escartin Vigo , L. Gabarra , W. G. Hartley , R. Maoli , J. Martín-Fleitas , S. Matthew , M. Maturi , N. Mauri , R. B. Metcalf , A. Pezzotta , M. Pöntinen , C. Porciani , I. Risso , V. Scottez , M. Sereno , M. Tenti , M. Viel , M. Wiesmann , Y. Akrami , I. T. Andika , S. Anselmi , M. Archidiacono , F. Atrio-Barandela , D. Bertacca , M. Bethermin , A. Blanchard , L. Blot , M. Bonici , M. L. Brown , S. Bruton , A. Calabro , B. Camacho Quevedo , F. Caro , C. S. Carvalho , T. Castro , F. Cogato , S. Conseil , T. Contini , A. R. Cooray , O. Cucciati , G. Desprez , A. Díaz-Sánchez , J. J. Diaz , S. Di Domizio , J. M. Diego , M. Y. Elkhashab , A. Enia , Y. Fang , A. G. Ferrari , A. Finoguenov , A. Fontana , F. Fontanot , A. Franco , K. Ganga , J. García-Bellido , T. Gasparetto , V. Gautard , E. Gaztanaga , F. Giacomini , F. Gianotti , G. Gozaliasl , M. Guidi , C. M. Gutierrez , A. Hall , S. Hemmati , C. Hernández-Monteagudo , H. Hildebrandt , J. Hjorth , J. J. E. Kajava , Y. Kang , V. Kansal , D. Karagiannis , K. Kiiveri , J. Kim , C. C. Kirkpatrick , S. Kruk , L. Legrand , M. Lembo , F. Lepori , G. Leroy , G. F. Lesci , J. Lesgourgues , T. I. Liaudat , S. J. Liu , X. Lopez Lopez , J. Macias-Perez , M. Magliocchetti , F. Mannucci , C. J. A. P. Martins , L. Maurin , M. Miluzio , P. Monaco , C. Moretti , G. Morgante , K. Naidoo , A. Navarro-Alsina , S. Nesseris , D. Paoletti , F. Passalacqua , K. Paterson , L. Patrizii , R. Pello , A. Pisani , D. Potter , S. Quai , M. Radovich , P. -F. Rocci , G. Rodighiero , S. Sacquegna , M. Sahlén , E. Sarpa , A. Schneider , M. Schultheis , D. Sciotti , E. Sellentin , F. Shankar , L. C. Smith , J. G. Sorce , K. Tanidis , C. Tao , G. Testera , R. Teyssier , S. Tosi , A. Troja , M. Tucci , C. Valieri , A. Venhola , D. Vergani , G. Verza , P. Vielzeuf , N. A. Walton , D. Scott

An imaging and spectroscopic study of the very metal-deficient blue compact dwarf galaxy Tol 1214--277

We present a spectrophotometric study based on VLT/FORS I observations of one of the most metal-deficient blue compact dwarf (BCD) galaxies known, Tol 1214-277 (Z ~ Zsun/25). The data show that roughly half of the total luminosity of the…

Astrophysics · Physics 2009-10-31 K. J. Fricke , Y. I. Izotov , P. Papaderos , N. G. Guseva , T. X. Thuan

Extended UV (XUV) Emission in Nearby Galaxy Disks

We summarize the main properties of the extended UV (XUV) emission found in roughly 30% of the nearby spiral galaxies observed by the GALEX satellite. Two different classes of XUV disks are identified, the Type 1 XUV disks where…

Astrophysics · Physics 2008-01-16 A. Gil de Paz , D. A. Thilker , L. Bianchi , A. Aragon-Salamanca , S. Boissier , B. F. Madore , C. Diaz-Lopez , I. Trujillo , M. Pohlen , P. Erwin , J. Zamorano , J. Gallego , J. Iglesias-Paramo , J. M. Vilchez , M. Molla , J. C. Munoz-Mateos , P. G. Perez-Gonzalez , S. Pedraz , K. Sheth , R. C. Kennicutt , R. Swaters , the GALEX Science Team

Bursting dwarf galaxies from the far-UV and deep surveys

The far-ultraviolet (UV) counts and the deep optical spectroscopic surveys have revealed an unexpected number of very blue galaxies (vBG). Using constraints from the UV and optical, we apply the galaxy evolution model PEGASE (Fioc &…

Astrophysics · Physics 2007-05-23 Michel Fioc , Brigitte Rocca-Volmerange

Far Ultraviolet Emission in the A2597 and A2204 Brightest Cluster Galaxies

We use the Hubble Space Telescope ACS/SBC and Very Large Telescope FORS cameras to observe the Brightest Cluster Galaxies in Abell 2597 and Abell 2204 in the far-ultraviolet (FUV) F150LP and optical U, B, V, R, I Bessel filters. The FUV and…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-27 J. B. R. Oonk , N. A. Hatch , W. Jaffe , M. N. Bremer , R. J. van weeren

Physical properties of galaxies and the UV Luminosity Function from $z\sim6$ to $z\sim14$ in COSMOS-Web

We present measurements of the rest-frame ultraviolet luminosity function (UVLF) in three redshift bins over $z\sim5.5$-14 from the JWST COSMOS-Web survey. Our samples, selected using the dropout technique in the HST/ACS F814W, JWST/NIRCam…

Astrophysics of Galaxies · Physics 2025-08-08 Maximilien Franco , Caitlin M. Casey , Hollis B. Akins , Olivier Ilbert , Marko Shuntov , Steven L. Finkelstein , Louise Paquereau , Andreas L. Faisst , Anton M. Koekemoer , Michaela Hirschmann , Sebastiano Cantarella , Nicole E. Drakos , Stephen M. Wilkins , Henry Joy McCracken , Jeyhan S. Kartaltepe , Claudia Maraston , Fatemeh Abedini , Mark J. Achenbach , Rafael C. Arango-Toro , Fabrizio Gentile , Ghassem Gozaliasl , Kohei Inayoshi , Darshan Kakkad , Atousa Kalantari , Ali Ahmad Khostovan , Vasily Kokorev , Erini Lambrides , Gavin Leroy , Richard Massey , Bahram Mobasher , Sophie L. Newman , Jason Rhodes , R. Michael Rich , Brant E. Robertson , David B. Sanders , Takumi S. Tanaka , Aswin P. Vijayan , John R. Weaver , Lilan Yang , Si-Yue Yu

Study of Integrated Far-ultraviolet Emissions from Galactic Globular Clusters using AstroSat/UVIT observations

We used observations obtained with the Ultraviolet Imaging Telescope on board the AstroSat satellite to measure the integrated far-ultraviolet (FUV) and optical (V) magnitudes of 30 Galactic globular clusters (GCs). We classified the…

Astrophysics of Galaxies · Physics 2026-03-31 Sonika Piridi , Ranjan Kumar , Divya Pandey , Ananta C. Pradhan

A far-ultraviolet-driven photoevaporation flow observed in a protoplanetary disk

Most low-mass stars form in stellar clusters that also contain massive stars, which are sources of far-ultraviolet (FUV) radiation. Theoretical models predict that this FUV radiation produces photo-dissociation regions (PDRs) on the…

Astrophysics of Galaxies · Physics 2024-03-04 Olivier Berné , Emilie Habart , Els Peeters , Ilane Schroetter , Amélie Canin , Ameek Sidhu , Ryan Chown , Emeric Bron , Thomas J. Haworth , Pamela Klaassen , Boris Trahin , Dries Van De Putte , Felipe Alarcón , Marion Zannese , Alain Abergel , Edwin A. Bergin , Jeronimo Bernard-Salas , Christiaan Boersma , Jan Cami , Sara Cuadrado , Emmanuel Dartois , Daniel Dicken , Meriem Elyajouri , Asunción Fuente , Javier R. Goicoechea , Karl D. Gordon , Lina Issa , Christine Joblin , Olga Kannavou , Baria Khan , Ozan Lacinbala , David Languignon , Romane Le Gal , Alexandros Maragkoudakis , Raphael Meshaka , Yoko Okada , Takashi Onaka , Sofia Pasquini , Marc W. Pound , Massimo Robberto , Markus Röllig , Bethany Schefter , Thiébaut Schirmer , Thomas Simmer , Benoit Tabone , Alexander G. G. M. Tielens , Sílvia Vicente , Mark G. Wolfire , Isabel Aleman , Louis Allamandola , Rebecca Auchettl , Giuseppe Antonio Baratta , Clément Baruteau , Salma Bejaoui , Partha P. Bera , John H. Black , Francois Boulanger , Jordy Bouwman , Bernhard Brandl , Philippe Brechignac , Sandra Brünken , Mridusmita Buragohain , Andrew Burkhardt , Alessandra Candian , Stéphanie Cazaux , Jose Cernicharo , Marin Chabot , Shubhadip Chakraborty , Jason Champion , Sean W. J. Colgan , Ilsa R. Cooke , Audrey Coutens , Nick L. J. Cox , Karine Demyk , Jennifer Donovan Meyer , Cécile Engrand , Sacha Foschino , Pedro García-Lario , Lisseth Gavilan , Maryvonne Gerin , Marie Godard , Carl A. Gottlieb , Pierre Guillard , Antoine Gusdorf , Patrick Hartigan , Jinhua He , Eric Herbst , Liv Hornekaer , Cornelia Jäger , Eduardo Janot-Pacheco , Michael Kaufman , Francisca Kemper , Sarah Kendrew , Maria S. Kirsanova , Collin Knight , Sun Kwok , Álvaro Labiano , Thomas S. -Y. Lai , Timothy J. Lee , Bertrand Lefloch , Franck Le Petit , Aigen Li , Hendrik Linz , Cameron J. Mackie , Suzanne C. Madden , Joëlle Mascetti , Brett A. McGuire , Pablo Merino , Elisabetta R. Micelotta , Jon A. Morse , Giacomo Mulas , Naslim Neelamkodan , Ryou Ohsawa , Roberta Paladini , Maria Elisabetta Palumbo , Amit Pathak , Yvonne J. Pendleton , Annemieke Petrignani , Thomas Pino , Elena Puga , Naseem Rangwala , Mathias Rapacioli , Alessandra Ricca , Julia Roman-Duval , Evelyne Roueff , Gaël Rouillé , Farid Salama , Dinalva A. Sales , Karin Sandstrom , Peter Sarre , Ella Sciamma-O'Brien , Kris Sellgren , Matthew J. Shannon , Adrien Simonnin , Sachindev S. Shenoy , David Teyssier , Richard D. Thomas , Aditya Togi , Laurent Verstraete , Adolf N. Witt , Alwyn Wootten , Nathalie Ysard , Henning Zettergren , Yong Zhang , Ziwei E. Zhang , Junfeng Zhen

Chandra Observations of the Three Most Metal-Deficient Blue Compact Dwarf Galaxies known in the Local Universe, SBS 0335-052, SBS 0335-052W, and I Zw 18

We present an X-ray study of the three most metal-deficient blue compact dwarf (BCD) galaxies known in the local Universe, based on deep Chandra observations of SBS 0335-052 (0.025 solar abundance), SBS 0335-052W (0.02 solar abundance) and…

Astrophysics · Physics 2009-11-10 T. X. Thuan , F. E. Bauer , P. Papaderos , Y. I. Izotov

Far-Ultraviolet Imaging of the Hubble Deep Field North: Star Formation in Normal Galaxies at z<1

We present far-ultraviolet (FUV) imaging of the Hubble Deep Field North (HDF-N) taken with the Solar Blind Channel of the Advanced Camera for Surveys (ACS/SBC) and the FUV MAMA detector of the Space Telescope Imaging Spectrograph (STIS)…

Astrophysics · Physics 2008-11-26 H. I. Teplitz , B. Siana , T. M. Brown , R. Chary , J. W. Colbert , C. Conselice , D. F. de Mello , M. Dickinson , H. C. Ferguson , Jonathan P. Gardner , F. Menanteau , ;