Ian U. Roederer - Publications, H-index & Citations

Ian U. Roederer

joint institute for nuclear astrophysics

37H指数

225论文数

4.3K被引数

收录论文 110

发表时间

Observations of r-Process Enriched Stars r-Process富集恒星的观测

Galaxies

IF3.8

2026-04-04

OAAI

Terese T. Hansen; Mila Racca; Timothy C. Beers; Rana Ezzeddine; Anna Frebel; Erika M. Holmbeck; Vinicius M. Placco; Ian U. Roederer; Charli M. Sakari

Proton-rich Production of Lanthanides: The vi Process 富质子条件下稀土元素的生产：vi过程

The Astrophysical Journal Letters

IF0

2026-01-14

OAAI

Xilu Wang; Amol V. Patwardhan; Yangming Lin; Junbo Zheng; Michael J. Cervia; Yanwen Deng; A. Baha Balantekin; Haining Li; Ian U. Roederer; Rebecca Surman

Abundances of Rarely Detected s-process Elements Derived from the Ultraviolet Spectrum of the s-process-enhanced Metal-poor Star HD 196944∗来自s过程增强贫金属星HD 196944∗远紫外光谱中很少被检测到的s过程元素的丰度

ASTROPHYSICAL JOURNAL

IF5.4

2025-12-10

PREAI

Roederer, Ian U.; Placco, Vinicius M.; Karakas, Amanda I.; Den Hartog, Elizabeth A.; Beers, Timothy C.

Gamma Rays as a Signature of r-process Producing Supernovae: Remnants and Future Galactic Explosions r过程产生超新星的特征：遗迹与未来银河系爆炸

The Astrophysical Journal

IF0

2025-12-03

OAAI

Zhenghai Liu; Evan Grohs; Kelsey A. Lund; G. C. McLaughlin; M. Reichert; Ian U. Roederer; Rebecca Surman; Xilu Wang

The R-Process Alliance: Hunting for gold in the near-UV spectrum of 2MASS J05383296-5904280 R-Process Alliance：在2MASS J05383296-5904280的近紫外光谱中寻找黄金

ASTRONOMY & ASTROPHYSICS

IF5.8

2025-05-14

PREAI

Hansen, Terese T.; Roederer, Ian U.; Shah, Shivani P.; Ezzeddine, Rana; Beers, Timothy C.; Frebel, Anna; Holmbeck, Erika M.; Placco, Vinicius M.; Sakari, Charli M.; Ji, Alexander; Marshall, Jennifer L.; Mardini, Mohammad K.; Chiti, Anirudh

Atomic Transition Probabilities for UV and Optical Lines of Gd ii Gd II的紫外和光学谱线跃迁概率

ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES

IF8.5

2025-04-17

OAAI

Voith, G. T.; Den Hartog, E. A.; Roederer, I. U.

New Stellar Parameters, Metallicities, and Elemental Abundance Ratios for 311 Metal-poor Stars

ASTRONOMICAL JOURNAL

IF5.1

2025-02-26

OAAI

Mittal, Sanil; Roederer, Ian U.

BD+44°493: Chemo-dynamical Analysis and Constraints on Companion Planetary Masses from WIYN/NEID Spectroscopy

ASTROPHYSICAL JOURNAL

IF5.4

2024-11-28

OAAI

Placco, Vinicius M.; Gupta, Arvind F.; Almeida-Fernandes, Felipe; Logsdon, Sarah E.; Rajagopal, Jayadev; Holmbeck, Erika M.; Roederer, Ian U.; Della Costa, John; Fernandez, Pipa; Golub, Eli; Higuera, Jesus; Patel, Yatrik; Ridgway, Susan; Schweiker, Heidi

The R-process Alliance: Fifth Data Release from the Search for R-process-enhanced Metal-poor Stars in the Galactic Halo with the GTC

ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES

IF8.5

2024-10-03

OAAI

Bandyopadhyay, Avrajit; Ezzeddine, Rana; Prieto, Carlos Allende; Aria, Nima; Shah, Shivani P.; Beers, Timothy C.; Frebel, Anna; Hansen, Terese T.; Holmbeck, Erika M.; Placco, Vinicius M.; Roederer, Ian U.; Sakari, Charli M.

Discovery of a Metal-poor Red Giant Star with the Highest Ultralithium Enhancement

ASTROPHYSICAL JOURNAL

IF5.4

2024-09-26

OAAI

Kowkabany, Jeremy; Ezzeddine, Rana; Charbonnel, Corinne; Roederer, Ian U.; Wang, Ella Xi; Li, Yangyang; Hackshaw, Zoe; Beers, Timothy C.; Frebel, Anna; Hansen, Terese T.; Holmbeck, Erika; Placco, Vinicius M.; Sakari, Charli M.

Atomic Transition Probabilities for Ultraviolet and Optical Lines of Tm ii

ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES

IF8.5

2024-08-23

OAAI

Den Hartog, E. A.; Voith, G. T.; Roederer, I. U.

The R-Process Alliance: 2MASS J22132050-5137385, the Star with the Highest-known r-process Enhancement at [Eu/Fe] =+2.45

ASTROPHYSICAL JOURNAL

IF5.4

2024-08-14

OAAI

Roederer, Ian U.; Beers, Timothy C.; Hattori, Kohei; Placco, Vinicius M.; Hansen, Terese T.; Ezzeddine, Rana; Frebel, Anna; Holmbeck, Erika M.; Sakari, Charli M.

The R-Process Alliance: Analysis of limited-r stars

ASTRONOMY & ASTROPHYSICS

IF5.8

2024-08-13

OAAI

Xylakis-Dornbusch, T.; Hansen, T. T.; Beers, T. C.; Christlieb, N.; Ezzeddine, R.; Frebel, A.; Holmbeck, E.; Placco, V. M.; Roederer, I. U.; Sakari, C. M.; Sneden, C.

Abundances of Neutron-capture Elements in 62 Stars in the Globular Cluster Messier 15

ASTROPHYSICAL JOURNAL

IF5.4

2024-05-22

OAAI

Garcia, Jonathan Cabrera; Sakari, Charli M.; Roederer, Ian U.; Evans, Donavon W.; Silva, Pedro; Mateo, Mario; Song, Ying-Yi; Kremin, Anthony; Bailey III, John I.; Walker, Matthew G.

The R-Process Alliance: detailed chemical composition of an r-process enhanced star with UV and optical spectroscopy

MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY

IF4.8

2024-01-23

OAAI

Shah, Shivani P.; Ezzeddine, Rana; Roederer, Ian U.; Hansen, Terese T.; Placco, Vinicius M.; Beers, Timothy C.; Frebel, Anna; Ji, Alexander P.; Holmbeck, Erika M.; Marshall, Jennifer; Sakari, Charli M.

SPLUS J142445.34-254247.1: An r-process-enhanced, Actinide-boost, Extremely Metal-poor Star Observed with GHOST

ASTROPHYSICAL JOURNAL

IF5.4

2023-12-06

OAAI

Placco, Vinicius M.; Almeida-Fernandes, Felipe; Holmbeck, Erika M.; Roederer, Ian U.; Mardini, Mohammad K.; Hayes, Christian R.; Venn, Kim; Chiboucas, Kristin; Deibert, Emily; Gamen, Roberto; Heo, Jeong-Eun; Jeong, Miji; Kalari, Venu; Martioli, Eder; Xu, Siyi; Diaz, Ruben; Gomez-Jimenez, Manuel; Henderson, David; Prado, Pablo; Quiroz, Carlos; Ruiz-Carmona, Roque; Simpson, Chris; Urrutia, Cristian; Mcconnachie, Alan W.; Pazder, John; Burley, Gregory; Ireland, Michael; Waller, Fletcher; Berg, Trystyn A. M.; Robertson, J. Gordon; Hartman, Zachary; Jones, David O.; Labrie, Kathleen; Perez, Gabriel; Ridgway, Susan; Thomas-Osip, Joanna

The kinematics, metallicities, and orbits of six recently discovered Galactic star clusters with Magellan/M2FS spectroscopy

MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY

IF4.8

2023-09-12

OAAI

Pace, Andrew B.; Koposov, Sergey E.; Walker, Matthew G.; Caldwell, Nelson; Mateo, Mario; Olszewski, Edward W.; Roederer, Ian U.; Bailey III, John I.; Belokurov, Vasily; Kuehn, Kyler; Li, Ting S.; Zucker, Daniel B.

Magellan/M2FS and MMT/Hectochelle Spectroscopy of Dwarf Galaxies and Faint Star Clusters within the Galactic Halo

ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES

IF8.5

2023-08-28

OAAI

Walker, Matthew G.; Caldwell, Nelson; Mateo, Mario; Olszewski, Edward W.; Pace, Andrew B.; Bailey, John I.; Koposov, Sergey E.; Roederer, Ian U.

Abundance Analysis of Stars at Large Radius in the Sextans Dwarf Spheroidal Galaxy*

ASTROPHYSICAL JOURNAL

IF5.4

2023-08-22

OAAI

Roederer, Ian U.; Pace, Andrew B.; Placco, Vinicius M.; Caldwell, Nelson; Koposov, Sergey E.; Mateo, Mario; Olszewski, Edward W.; Walker, Matthew G.