Browsing by Author "Bunker, Andrew J."

Now showing items 1-15 of 15

    • Carbonaceous dust grains seen in the first billion years of cosmic time 

      Witstok, Joris; Shivaei, Irene; Smit, Renske; Maiolino, Roberto; Carniani, Stefano; Curtis-Lake, Emma; Ferruit, Pierre; Arribas, Santiago; Bunker, Andrew J.; Cameron, Alex J.; Charlot, Stephane; Chevallard, Jacopo; Curti, Mirko; Graaff, Anna de; D'Eugenio, Francesco; Giardino, Giovanna; Looser, Tobias J.; Rawle, Tim; Pino, Bruno Rodríguez del; Willott, Chris; Alberts, Stacey; Baker, William M.; Boyett, Kristan; Egami, Eiichi; Eisenstein, Daniel J.; Endsley, Ryan; Hainline, Kevin N.; Ji, Zhiyuan; Johnson, Benjamin D.; Kumari, Nimisha; Lyu, Jianwei; Nelson, Erica; Perna, Michele; Rieke, Marcia; Robertson, Brant E.; Sandles, Lester; Saxena, Aayush; Scholtz, Jan; Sun, Fengwu; Tacchella, Sandro; Willmer, Christopher N. A. (2023-07-19)
      Large dust reservoirs (up to approximately 10 8 M ⊙) have been detected 1–3 in galaxies out to redshift z ≃ 8, when the age of the Universe was only about 600 Myr. Generating substantial amounts of dust within such a short ...

    • The Cosmos in its Infancy: JADES Galaxy Candidates at z > 8 in GOODS-S and GOODS-N 

      Hainline, Kevin N.; Johnson, Benjamin D.; Robertson, Brant; Tacchella, Sandro; Helton, Jakob M.; Sun, Fengwu; Eisenstein, Daniel J.; Simmonds, Charlotte; Topping, Michael W.; Whitler, Lily; Willmer, Christopher N. A.; Rieke, Marcia; Suess, Katherine A.; Hviding, Raphael E.; Cameron, Alex J.; Alberts, Stacey; Baker, William M.; Bhatawdekar, Rachana; Boyett, Kristan; Bunker, Andrew J.; Carniani, Stefano; Charlot, Stephane; Chen, Zuyi; Curti, Mirko; Curtis-Lake, Emma; D'Eugenio, Francesco; Egami, Eiichi; Endsley, Ryan; Hausen, Ryan; Ji, Zhiyuan; Looser, Tobias J.; Lyu, Jianwei; Maiolino, Roberto; Nelson, Erica; Puskas, David; Rawle, Tim; Sandles, Lester; Saxena, Aayush; Smit, Renske; Stark, Daniel P.; Williams, Christina C.; Willott, Chris; Witstok, Joris (2024-03-18)
      We present a catalog of 717 candidate galaxies at z > 8 selected from 125 square arcmin of NIRCam imaging as part of the JWST Advanced Deep Extragalactic Survey (JADES). We combine the full JADES imaging data set with data ...

    • First insights into the ISM at z > 8 with JWST: possible physical implications of a high [O III] λ4363/[O III] λ5007 

      Katz, Harley; Saxena, Aayush; Cameron, Alex J.; Carniani, Stefano; Bunker, Andrew J.; Arribas, Santiago; Bhatawdekar, Rachana; Bowler, Rebecca A. A.; Boyett, Kristan N. K.; Cresci, Giovanni; Curtis-Lake, Emma; D'Eugenio, Francesco; Kumari, Nimisha; Looser, Tobias J.; Maiolino, Roberto; Ubler, Hannah; Willott, Chris; Witstok, Joris (2022-09-20)
      We present a detailed analysis of the rest-frame optical emission line ratios for three spectroscopically confirmed galaxies at z > 7.5. The galaxies were identified in the James Webb Space Telescope (JWST) Early Release ...

    • GA-NIFS: Black hole and host galaxy properties of two z-6.8 quasars from the NIRSpec IFU 

      Marshall, Madeline A.; Perna, Michele; Willott, Chris J.; Maiolino, Roberto; Scholtz, Jan; Übler, Hannah; Carniani, Stefano; Arribas, Santiago; Lützgendorf, Nora; Bunker, Andrew J.; Charlot, Stephane; Ferruit, Pierre; Jakobsen, Peter; Rix, Hans-Walter; Pino, Bruno Rodríguez Del; Böker, Torsten; Cameron, Alex J.; Cresci, Giovanni; Curtis-Lake, Emma; Jones, Gareth C.; Kumari, Nimisha; Pérez-González, Pablo G.; Reed, Sophie L. (2023-10-20)
      Aims. Integral field spectroscopy (IFS) with JWST NIRSpec will significantly improve our understanding of the first quasars, by providing spatially resolved, infrared spectroscopic capabilities that cover key rest-frame ...

    • Inside the bubble: exploring the environments of reionisation-era Lyman-α emitting galaxies with JADES and FRESCO⋆ 

      Witstok, Joris; Smit, Renske; Saxena, Aayush; Jones, Gareth C.; Helton, Jakob M.; Sun, Fengwu; Maiolino, Roberto; Kumari, Nimisha; Stark, Daniel P.; Bunker, Andrew J.; Arribas, Santiago; Baker, William M.; Bhatawdekar, Rachana; Boyett, Kristan; Cameron, Alex J.; Carniani, Stefano; Charlot, Stephane; Chevallard, Jacopo; Curti, Mirko; Curtis-Lake, Emma; Eisenstein, Daniel J.; Endsley, Ryan; Hainline, Kevin; Ji, Zhiyuan; Johnson, Benjamin D.; Looser, Tobias J.; Nelson, Erica; Perna, Michele; Rix, Hans-Walter; Robertson, Brant E.; Sandles, Lester; Scholtz, Jan; Simmonds, Charlotte; Tacchella, Sandro; Übler, Hannah; Williams, Christina C.; Willmer, Christopher N. A.; Willott, Chris (2024-02-01)
      We present a study of the environments of 17 Lyman-α emitting galaxies (LAEs) in the reionisation-era (5.8 < z < 8) identified by JWST/NIRSpec as part of the JWST Advanced Deep Extragalactic Survey (JADES). Unless situated ...

    • The ionising photon production efficiency at z~6 for Lyman-alpha emitters using JEMS and MUSE 

      Simmonds, Charlotte; Tacchella, Sandro; Maseda, Michael V.; Baker, William M.; Witten, Callum; Johnson, Benjamin D.; Robertson, Brant; Saxena, Aayush; Sun, Fengwu; Witstok, Joris; Bhatawdekar, Rachana; Boyett, Kristan; Bunker, Andrew J.; Charlot, Stephane; Curtis-Lake, Emma; Egami, Eiichi; Eisenstein, Daniel J.; Ji, Zhiyuan; Maiolino, Roberto; Sandles, Lester; Smit, Renske; Übler, Hannah; Willott, Chris (2023-06-15)
      We study the ionising photon production efficiency at the end of the Epoch of Reionisation ($z \sim 5.4 - 6.6$) for a sample of 30 Lyman-$\alpha$ emitters. This is a crucial quantity to infer the ionising photon budget of ...

    • JADES Initial Data Release for the Hubble Ultra Deep Field: Revealing the Faint Infrared Sky with Deep JWST NIRCam Imaging 

      Rieke, Marcia J.; Robertson, Brant; Tacchella, Sandro; Hainline, Kevin; Johnson, Benjamin D.; Hausen, Ryan; Ji, Zhiyuan; Willmer, Christopher N. A.; Eisenstein, Daniel J.; Puskás, Dávid; Alberts, Stacey; Arribas, Santiago; Baker, William M.; Baum, Stefi; Bhatawdekar, Rachana; Bonaventura, Nina; Boyett, Kristan; Bunker, Andrew J.; Cameron, Alex J.; Carniani, Stefano; Charlot, Stephane; Chevallard, Jacopo; Chen, Zuyi; Curti, Mirko; Curtis-Lake, Emma; Danhaive, A. Lola; DeCoursey, Christa; Dressler, Alan; Egami, Eiichi; Endsley, Ryan; Helton, Jakob M.; Hviding, Raphael E.; Kumari, Nimisha; Looser, Tobias J.; Lyu, Jianwei; Maiolino, Roberto; Maseda, Michael V.; Nelson, Erica J.; Rieke, George; Rix, Hans-Walter; Sandles, Lester; Saxena, Aayush; Sharpe, Katherine; Shivaei, Irene; Skarbinski, Maya; Smit, Renske; Stark, Daniel P.; Stone, Meredith; Suess, Katherine A.; Sun, Fengwu; Topping, Michael; Übler, Hannah; Villanueva, Natalia C.; Wallace, Imaan E. B.; Williams, Christina C.; Willott, Chris; Whitler, Lily; Witstok, Joris; Woodrum, Charity (2023-11-01)
      JWST has revolutionized the field of extragalactic astronomy with its sensitive and high-resolution infrared view of the distant Universe. Adding to the new legacy of JWST observations, we present the first NIRCam imaging ...

    • JADES NIRSpec Spectroscopy of GN-z11: Lyman-$α$ emission and possible enhanced nitrogen abundance in a $z=10.60$ luminous galaxy 

      Bunker, Andrew J.; Saxena, Aayush; Cameron, Alex J.; Willott, Chris J.; Curtis-Lake, Emma; Jakobsen, Peter; Carniani, Stefano; Smit, Renske; Maiolino, Roberto; Witstok, Joris; Curti, Mirko; D'Eugenio, Francesco; Jones, Gareth C.; Ferruit, Pierre; Arribas, Santiago; Charlot, Stephane; Chevallard, Jacopo; Giardino, Giovanna; Graaff, Anna de; Looser, Tobias J.; Luetzgendorf, Nora; Maseda, Michael V.; Rawle, Tim; Rix, Hans-Walter; Pino, Bruno Rodriguez Del; Alberts, Stacey; Egami, Eiichi; Eisenstein, Daniel J.; Endsley, Ryan; Hainline, Kevin; Hausen, Ryan; Johnson, Benjamin D.; Rieke, George; Rieke, Marcia; Robertson, Brant E.; Shivaei, Irene; Stark, Daniel P.; Sun, Fengwu; Tacchella, Sandro; Tang, Mengtao; Williams, Christina C.; Willmer, Christopher N. A.; Baker, William M.; Baum, Stefi; Bhatawdekar, Rachana; Bowler, Rebecca; Boyett, Kristan; Chen, Zuyi; Circosta, Chiara; Helton, Jakob M.; Ji, Zhiyuan; Kumari, Nimisha; Lyu, Jianwei; Nelson, Erica; Parlanti, Eleonora; Perna, Michele; Sandles, Lester; Scholtz, Jan; Suess, Katherine A.; Topping, Michael W.; Uebler, Hannah; Wallace, Imaan E. B.; Whitler, Lily (2023-09-11)
      We present JADES JWST/NIRSpec spectroscopy of GN-z11, the most luminous candidate z>10 Lyman break galaxy in the GOODS-North field with MUV =-21.5. We derive a redshift of z = 10.603 (lower than previous determinations) ...

    • JADES: Detecting [OIII]$λ4363$ Emitters and Testing Strong Line Calibrations in the High-$z$ Universe with Ultra-deep JWST/NIRSpec Spectroscopy up to $z \sim 9.5$ 

      Laseter, Isaac H.; Maseda, Michael V.; Curti, Mirko; Maiolino, Roberto; D'Eugenio, Francesco; Cameron, Alex J.; Looser, Tobias J.; Arribas, Santiago; Baker, William M.; Bhatawdekar, Rachana; Boyett, Kristan; Bunker, Andrew J.; Carniani, Stefano; Charlot, Stephane; Chevallard, Jacopo; Curtis-lake, Emma; Egami, Eiichi; Eisenstein, Daniel J.; Hainline, Kevin; Hausen, Ryan; Ji, Zhiyuan; Kumari, Nimisha; Perna, Michele; Rawle, Tim; Rix, Hans-Walter; Robertson, Brant; Pino, Bruno Rodríguez Del; Sandles, Lester; Scholtz, Jan; Smit, Renske; Tacchella, Sandro; Übler, Hannah; Willott, Chris; Witstok, Joris (2024-02-02)
      We present ten novel [OIII]λ4363 auroral line detections up to z ∼ 9.5 measured from ultra-deep JWST/NIRSpec MSA spectroscopy from the JWST Advanced Deep Extragalactic Survey (JADES). We leverage the deepest spectroscopic ...

    • Jades: Discovery of extremely high equivalent width Lyman- α emission from a faint galaxy within an ionized bubble at z = 7.3 

      Saxena, Aayush; Robertson, Brant E.; Bunker, Andrew J.; Endsley, Ryan; Cameron, Alex J.; Charlot, Stephane; Simmonds, Charlotte; Tacchella, Sandro; Witstok, Joris; Willott, Chris; Carniani, Stefano; Curtis-Lake, Emma; Ferruit, Pierre; Jakobsen, Peter; Arribas, Santiago; Chevallard, Jacopo; Curti, Mirko; D'Eugenio, Francesco; Graaff, Anna De; Jones, Gareth C.; Looser, Tobias J.; Maseda, Michael V.; Rawle, Tim; Rix, Hans-Walter; Pino, Bruno Rodríguez Del; Smit, Renske; Übler, Hannah; Eisenstein, Daniel J.; Hainline, Kevin; Hausen, Ryan; Johnson, Benjamin D.; Rieke, Marcia; Williams, Christina C.; Willmer, Christopher N. A.; Baker, William M.; Bhatawdekar, Rachana; Bowler, Rebecca; Boyett, Kristan; Chen, Zuyi; Egami, Eiichi; Ji, Zhiyuan; Kumari, Nimisha; Nelson, Erica; Perna, Michele; Sandles, Lester; Scholtz, Jan; Shivaei, Irene (2023-10-05)
      We report the discovery of a remarkable Lyα emitting galaxy at z = 7.2782, JADES-GS+53.16746-27.7720 (shortened to JADES-GS-z7-LA), with rest-frame equivalent width, EW 0(Lyα) = 388.0 ± 88.8 Å and UV magnitude -17.0. The ...

    • Jades: Probing interstellar medium conditions at z ∼ 5.5-9.5 with ultra-deep JWST/NIRSpec spectroscopy 

      Cameron, Alex J.; Saxena, Aayush; Bunker, Andrew J.; D'Eugenio, Francesco; Carniani, Stefano; Maiolino, Roberto; Curtis-Lake, Emma; Ferruit, Pierre; Jakobsen, Peter; Arribas, Santiago; Bonaventura, Nina; Charlot, Stephane; Chevallard, Jacopo; Curti, Mirko; Looser, Tobias J.; Maseda, Michael V.; Rawle, Tim; Pino, Bruno Rodríguez Del; Smit, Renske; Übler, Hannah; Willott, Chris; Witstok, Joris; Egami, Eiichi; Eisenstein, Daniel J.; Johnson, Benjamin D.; Hainline, Kevin; Rieke, Marcia; Robertson, Brant E.; Stark, Daniel P.; Tacchella, Sandro; Williams, Christina C.; Willmer, Christopher N. A.; Bhatawdekar, Rachana; Bowler, Rebecca; Boyett, Kristan; Circosta, Chiara; Helton, Jakob M.; Jones, Gareth C.; Kumari, Nimisha; Ji, Zhiyuan; Nelson, Erica; Parlanti, Eleonora; Sandles, Lester; Scholtz, Jan; Sun, Fengwu (2023-09-12)
      We present emission-line ratios from a sample of 27 Lyman-break galaxies from z∼ 5.5-9.5 with-17.0< M1500<-20.4, measured from ultra-deep JWST/NIRSpec multi-object spectroscopy from the JWST Advanced Deep Extragalactic ...

    • JADES: Resolving the Stellar Component and Filamentary Overdense Environment of Hubble Space Telescope (HST)-dark Submillimeter Galaxy HDF850.1 at z = 5.18 

      Sun, Fengwu; Helton, Jakob M.; Egami, Eiichi; Hainline, Kevin N.; Rieke, G.H.; Willmer, Christopher N. A.; Eisenstein, Daniel J.; Johnson, Benjamin D.; Rieke, Marcia J.; Robertson, Brant; Tacchella, Sandro; Alberts, Stacey; Baker, William M.; Bhatawdekar, Rachana; Boyett, Kristan; Bunker, Andrew J.; Charlot, Stephane; Chen, Zuyi; Chevallard, Jacopo; Curtis-Lake, Emma; Danhaive, A. Lola; DeCoursey, Christa; Ji, Zhiyuan; Lyu, Jianwei; Maiolino, Roberto; Rujopakarn, Wiphu; Sandles, Lester; Shivaei, Irene; Übler, Hannah; Willott, Chris; Witstok, Joris (2024-01-20)
      HDF850.1 is the brightest submillimeter galaxy (SMG) in the Hubble Deep Field. It is known as a heavily dust-obscured star-forming galaxy embedded in an overdense environment at z = 5.18. With nine-band NIRCam images at ...

    • JEMS: A Deep Medium-band Imaging Survey in the Hubble Ultra Deep Field with JWST NIRCam and NIRISS 

      Williams, Christina C.; Tacchella, Sandro; Maseda, Michael V.; Robertson, Brant E.; Johnson, Benjamin D.; Willott, Chris J.; Eisenstein, Daniel J.; Willmer, Christopher N. A.; Ji, Zhiyuan; Hainline, Kevin N.; Helton, Jakob M.; Alberts, Stacey; Baum, Stefi; Bhatawdekar, Rachana; Boyett, Kristan; Bunker, Andrew J.; Carniani, Stefano; Charlot, Stephane; Chevallard, Jacopo; Curtis-Lake, Emma; de Graaff, Anna; Egami, Eiichi; Franx, Marijn; Kumari, Nimisha; Maiolino, Roberto; Nelson, Erica J.; Rieke, Marcia J.; Sandles, Lester; Shivaei, Irene; Simmonds, Charlotte; Smit, Renske; Suess, Katherine A.; Sun, Fengwu; Übler, Hannah; Witstok, Joris (2023-10-09)
      We present JWST Extragalactic Medium-band Survey, the first public medium-band imaging survey carried out using JWST/NIRCam and NIRISS. These observations use ∼2 and ∼4 μm medium-band filters (NIRCam F182M, F210M, F430M, ...

    • Star-forming galaxies at z approximate to 8-9 from Hubble Space Telescope/WFC3: implications for reionization 

      Lorenzoni, Silvio; Bunker, Andrew J.; Wilkins, Stephen M.; Stanway, Elizabeth R.; Jarvis, M.J.; Caruana, Joseph (2011-06)
      We present a search for galaxies at 7.6 < z < 9.8 using the latest Hubble Space Telescope/Wide Field Camera 3 (WFC3) near-infrared data, based on the Lyman-break technique. We search for galaxies which have large (Y - J) ...

    • VLT/XSHOOTER and Subaru/MOIRCS spectroscopy of HUDF.YD3 : no evidence for Lyman α emission at z = 8.55 

      Bunker, Andrew J.; Caruana, Joseph; Wilkins, Stephen M.; Stanway, Elizabeth R.; Lorenzoni, Silvio; Lacy, Mark; Jarvis, M.J.; Hickey, Samantha (2013-04-21)
      We present spectroscopic observations with VLT/XSHOOTER and Subaru/MOIRCS of a relatively bright Y-band drop-out galaxy in the Hubble Ultra Deep Field (HUDF), first selected by Bunker et al., McLure et al. and Bouwens et ...