The Pristine Dwarf-Galaxy survey -- VI. A VLT/FLAMES spectroscopic study of the dwarf galaxy Bo\'otes II

Authors: Longeard, Nicolas, Jablonka, Pascale, Battaglia, Giuseppina, Malhan, Khyati, Martin, Nicolas F., Navarro, Julio F., Sestito, Federico

Subject Terms: Astrophysics - Astrophysics of Galaxies

Access URL: http://arxiv.org/abs/2504.15355

UNIONS: The Ultraviolet Near-Infrared Optical Northern Survey

Authors: Gwyn, Stephen, McConnachie, Alan W., Cuillandre, Jean-Charles, Chambers, Ken C., Magnier, Eugene A., Hudson, Michael J., Oguri, Masamune, Furusawa, Hisanori, Hildebrandt, Hendrik, Carlberg, Raymond, Ellison, Sara L., Furusawa, Junko, Gavazzi, Raphaël, Ibata, Rodrigo, Mellier, Yannick, Osato, Ken, Aussel, H., Baumont, Lucie, Bayer, Manuel, Boulade, Olivier, Côté, Patrick, Chemaly, David, Daley, Cail, Duc, Pierre-Alain, Ellien, A., Fabbro, Sébastien, Ferreira, Leonardo, Fitriana, Itsna K., Floc'h, Emeric Le, Hammer, Francois, Fudamoto, Yoshinobu, Gao, Hua, Goh, L. W. K., Goto, Tomotsugu, Guerrini, Sacha, Guinot, Axel, Hénault-Brunet, Vincent, Harikane, Yuichi, Hayashi, Kohei, Heesters, Nick, Ichikawa, Kohei, Kilbinger, Martin, Kuzma, P. B., Li, Qinxun, Liaudat, Tobías I., Lin, Chien-Cheng, Müller, Oliver, Martin, Nicolas F., Matsuoka, Yoshiki, Medina, Gustavo E., Miyatake, Hironao, Miyazaki, Satoshi, Mpetha, Charlie T., Nagao, Tohru, Navarro, Julio F., Niwano, Masafumi, Ogami, Itsuki, Okabe, Nobuhiro, Onoue, Masafusa, Paek, Gregory S. H., Parker, Laura C., Patton, David R., Peters, Fabian Hervas, Prunet, Simon, Sánchez-Janssen, Rubén, Schultheis, M., Sestito, Federico, Smith, Simon E. T., Starck, J. -L., Starkenburg, Else, Stone, Connor, Storfer, Christopher, Suzuki, Yoshihisa, Erben, Taibi, Salvatore, Thomas, G. F., TianFang, Zhang, Toba, Yoshiki, Uchiyama, Hisakazu, Valls-Gabaud, David, Venn, Kim A., Van Waerbeke, Ludovic, Wainscoat, Richard J., Wilkinson, Scott, Wittje, Anna, Yoshida, Taketo, Zhong, Yuxing

Subject Terms: Astrophysics - Astrophysics of Galaxies, Astrophysics - Instrumentation and Methods for Astrophysics

Access URL: http://arxiv.org/abs/2503.13783

GHOST commissioning science results -- IV: Chemodynamical analyses of Milky Way satellites Sagittarius II and Aquarius II

Authors: Zaremba, Daria, Venn, Kim, Hayes, Christian R., Errani, Raphaël, Cornejo, Triana, Glover, Jennifer, Jensen, Jaclyn, McConnachie, Alan W., Navarro, Julio F., Pazder, John, Sestito, Federico, Anthony, André, Baker, Gabriella, Chin, Timothy, Churilov, Vladimir, Diaz, Ruben, Farrell, Tony, Firpo, Veronica, Gomez-Jimenez, Manuel, Henderson, David, Kalari, Venu M., Lawrence, Jon, Margheim, Steve, Miller, Bryan, Robertson, J. Gordon, Ruiz-Carmona, Roque, Silversides, Katherine, Silva, Karleyne, Young, Peter J., Zhelem, Ross

Subject Terms: Astrophysics - Astrophysics of Galaxies, Astrophysics - Cosmology and Nongalactic Astrophysics, Astrophysics - Instrumentation and Methods for Astrophysics

Access URL: http://arxiv.org/abs/2503.05927

The Pristine survey: XXVII. The extremely metal-poor stream C-19 stretches over more than 100 degrees

Authors: Yuan, Zhen, Matsuno, Tadafumi, Sitnova, Tatyana, Martin, Nicolas F., Ibata, Rodrigo A., Ardern-Arentsen, Anke, Carlberg, Raymond, Hernandez, Jonay I. Gonzalez, Holmbeck, Erika, Kordopatis, Georges, Jiang, Fangzhou, Malhan, Khyati, Navarro, Julio, Sestito, Federico, Venn, Kim A., Viswanathan, Akshara, Vitali, Sara

Subject Terms: Astrophysics - Astrophysics of Galaxies

Access URL: http://arxiv.org/abs/2502.09710

The elderly among the oldest: new evidence for extremely metal-poor RR Lyrae stars

Authors: D'Orazi, Valentina, Braga, Vittorio F., Bono, Giuseppe, Fabrizio, Michele, Fiorentino, Giuliana, Storm, Nicholas, Pietrinferni, Adriano, Sneden, Christopher, Sanchez-Benavente, Manuel, Monelli, Matteo, Sestito, Federico, Jönsson, Henrik, Buder, Sven, Bobrick, Alexey, Iorio, Giuliano, Matsunaga, Noriyuki, Marconi, Marcella, Marengo, Massimo, Martinez-Vazquez, Clara E., Mullen, Joseph, Takayama, Masaki, Testa, Vincenzo, Cusano, Felice, Crestani, Juliana

Subject Terms: Astrophysics - Solar and Stellar Astrophysics, Astrophysics - Astrophysics of Galaxies

Access URL: http://arxiv.org/abs/2501.05807

The S-PLUS Ultra-Short Survey: Photometric Re-calibration with the BEst STar Database

Authors: Li, Xiaolu, Xiao, Kai, Huang, Yang, Yuan, Haibo, Tang, Yanke, Beers, Timothy C., Huang, Bowen, Ma, Mingyang, Humire, Pedro K., Alvarez-Candal, Alvaro, Sestito, Federico, Gai, Ning, Mao, Yongna, Gu, Hongrui, Tao, Zhenzhao, Yang, Lin, Xu, Shuai, Hu, Rong

Subject Terms: Astrophysics - Astrophysics of Galaxies, Astrophysics - Instrumentation and Methods for Astrophysics, Astrophysics - Solar and Stellar Astrophysics

Access URL: http://arxiv.org/abs/2501.03513

The Pristine Inner Galaxy Survey (PIGS) XI: Revealing the chemical evolution of the interacting Sagittarius dwarf galaxy

Authors: Vitali, Sara, Rojas-Arriagada, Alvaro, Jofré, Paula, Sestito, Federico, Povick, Joshua, Hill, Vanessa, Fernández-Alvar, Emma, Ardern-Arentsen, Anke, Jablonka, Pascale, Martin, Nicolas F., Starkenburg, Else, Aguado, David

Subject Terms: Astrophysics - Astrophysics of Galaxies

Access URL: http://arxiv.org/abs/2412.06896

Loki: an ancient system hidden in the Galactic plane?

Authors: Sestito, Federico, Fernandez-Alvar, Emma, Brooks, Rebecca, Olson, Emma, Carigi, Leticia, Jofre, Paula, Silva, Danielle de Brito, Eldridge, Camilla J. L., Vitali, Sara, Venn, Kim A., Hill, Vanessa, Ardern-Arentsen, Anke, Kordopatis, Georges, Martin, Nicolas F., Navarro, Julio F., Starkenburg, Else, Tissera, Patricia B., Jablonka, Pascale, Lardo, Carmela, Lucchesi, Romain, Buck, Tobias, Amayo, Alexia

Subject Terms: Astrophysics - Astrophysics of Galaxies, Astrophysics - Solar and Stellar Astrophysics

Access URL: http://arxiv.org/abs/2409.13813

The Pristine Survey -- XXVII. Journey to the Galactic outskirts -- Mapping the outer halo red giant stars down to the very metal-poor end

Authors: Viswanathan, Akshara, Byström, Amanda, Starkenburg, Else, Foppen, Anne, Straat, Jill, Montelius, Martin, Sestito, Federico, Venn, Kim A., Navarrete, Camila, Matsuno, Tadafumi, Martin, Nicolas F., Thomas, Guillaume F., Ardern-Arentsen, Anke, Battaglia, Giuseppina, Fouesneau, Morgan, Navarro, Julio, Vitali, Sara

Subject Terms: Astrophysics - Astrophysics of Galaxies

Access URL: http://arxiv.org/abs/2408.17250

The Pristine Inner Galaxy Survey (PIGS) X. Probing the early chemical evolution of the Sagittarius dwarf galaxy with carbon abundances

Authors: Sestito, Federico, Ardern-Arentsen, Anke, Vitali, Sara, Montelius, Martin, Lucchesi, Romain, Venn, Kim A., Martin, Nicolas F., Navarro, Julio F., Starkenburg, Else

Source: A&A 690, A333 (2024)

Subject Terms: Astrophysics - Astrophysics of Galaxies, Astrophysics - Solar and Stellar Astrophysics

Access URL: http://arxiv.org/abs/2406.18636

The Pristine survey XXIV: The Galactic underdogs -- Dynamic tales of a Milky Way metal-poor population

Authors: de La Vernhe, Isaure González Rivera, Hill, Vanessa, Kordopatis, Georges, Gran, Felipe, Fernández-Alvar, Emma, Ardern-Arentsen, Anke, Thomas, Guillaume F., Sestito, Federico, Navarrete, Camila, Martin, Nicolas F., Starkenburg, Else, Viswanathan, Akshara, Battaglia, Giuseppina, Venn, Kim A., Vitali, Sara

Subject Terms: Astrophysics - Astrophysics of Galaxies

Access URL: http://arxiv.org/abs/2406.05728

The Pristine survey: XXV. The very metal-poor Galaxy: Chemodynamics through the follow-up of the Pristine-Gaia synthetic catalogue

Authors: Viswanathan, Akshara, Yuan, Zhen, Ardern-Arentsen, Anke, Starkenburg, Else, Martin, Nicolas F., Youakim, Kris, Ibata, Rodrigo A., Sestito, Federico, Matsuno, Tadafumi, Prieto, Carlos Allende, Barwell, Freya, Bayer, Manuel, Doliva-Dolinsky, Amandine, Fernandez-Alvar, Emma, Anta, Pablo M. Galan-de, Jhass, Kiran, Longeard, Nicolas, Arroyo-Polonio, Jose Maria, Massana, Pol, Montelius, Martin, Rusterucci, Samuel, Santos, Judith, Thomas, Guillaume F., Vitali, Sara, Wu, Wenbo, Yarker, Paige, Ye, Xianhao, Aguado, David S., Gran, Felipe, Navarro, Julio

Source: A&A 695, A112 (2025)

Subject Terms: Astrophysics - Astrophysics of Galaxies, Astrophysics - Solar and Stellar Astrophysics

Access URL: http://arxiv.org/abs/2405.13124

The Pristine Inner Galaxy Survey (PIGS) IX. The largest detailed chemical analysis of very metal-poor stars in the Sagittarius dwarf galaxy

Authors: Sestito, Federico, Vitali, Sara, Jofre, Paula, Venn, Kim A., Aguado, David S., Aguilera-Gómez, Claudia, Ardern-Arentsen, Anke, Silva, Danielle de Brito, Carlberg, Raymond, Eldridge, Camilla J. L., Gran, Felipe, Hill, Vanessa, Jablonka, Pascale, Kordopatis, Georges, Martin, Nicolas F., Matsuno, Tadafumi, Rusterucci, Samuel, Starkenburg, Else, Viswanathan, Akshara

Source: A&A 689, A201 (2024)

Subject Terms: Astrophysics - Astrophysics of Galaxies, Astrophysics - Solar and Stellar Astrophysics

Access URL: http://arxiv.org/abs/2405.00096

GHOST Commissioning Science Results III: Characterizing an iron-poor damped Lyman $\alpha$ system

Authors: Berg, Trystyn A. M., Hayes, Christian R., Cristiani, Stefano, McConnachie, Alan, Robertson, J. Gordon, Sestito, Federico, Simpson, Chris, Waller, Fletcher, Chin, Timothy, Densmore, Adam, Diaz, Ruben J., Edgar, Michael L., Lettura, Javier Fuentes, Gómez-Jiménez, Manuel, Kalari, Venu M., Lawrence, Jon, Margheim, Steven, Pazder, John, Ruiz-Carmona, Roque, Salinas, Ricardo, Silva, Karleyne M. G., Silversides, Katherine, Venn, Kim A.

Subject Terms: Astrophysics - Astrophysics of Galaxies

Access URL: http://arxiv.org/abs/2404.10058

On the metal-poor edge of the Milky Way 'thin disc'

Authors: Fernández-Alvar, Emma, Kordopatis, Georges, Hill, Vanessa, Battaglia, Giuseppina, Gallart, Carme, de la Vernhe, Isaure González Rivera, Thomas, Guillaume, Sestito, Federico, Ardern-Arentsen, Anke, Martin, Nicolas, Viswanathan, Akshara, Starkenburg, Else

Source: A&A 685, A151 (2024)

Subject Terms: Astrophysics - Astrophysics of Galaxies

Access URL: http://arxiv.org/abs/2402.02943

The Pristine Inner Galaxy Survey (PIGS) VIII: Characterising the orbital properties of the ancient, very metal-poor inner Milky Way

Authors: Ardern-Arentsen, Anke, Monari, Giacomo, Queiroz, Anna B. A., Starkenburg, Else, Martin, Nicolas F., Chiappini, Cristina, Aguado, David S., Belokurov, Vasily, Carlberg, Ray, Monty, Stephanie, Myeong, GyuChul, Schultheis, Mathias, Sestito, Federico, Venn, Kim A., Vitali, Sara, Yuan, Zhen, Zhang, Hanyuan, Buder, Sven, Lewis, Geraint F., Oliver, William H., Wan, Zhen, Zucker, Daniel B.

Subject Terms: Astrophysics - Astrophysics of Galaxies, Astrophysics - Solar and Stellar Astrophysics

Access URL: http://arxiv.org/abs/2312.03847

The discovery of the faintest known Milky Way satellite using UNIONS

Authors: Smith, Simon E. T., Cerny, William, Hayes, Christian R., Sestito, Federico, Jensen, Jaclyn, McConnachie, Alan W., Geha, Marla, Navarro, Julio, Li, Ting S., Cuillandre, Jean-Charles, Errani, Raphaël, Chambers, Ken, Gwyn, Stephen, Hammer, Francois, Hudson, Michael J., Magnier, Eugene, Martin, Nicolas

Subject Terms: Astrophysics - Astrophysics of Galaxies

Access URL: http://arxiv.org/abs/2311.10147

Could very low-metallicity stars with rotation-dominated orbits have been shepherded by the bar?

Authors: Yuan, Zhen, Li, Chengdong, Martin, Nicolas F., Monari, Giacomo, Famaey, Benoit, Siebert, Arnaud, Ardern-Arentsen, Anke, Sestito, Federico, Thomas, Guillaume F., Hill, Vanessa, Ibata, Rodrigo A., Kordopatis, Georges, Starkenburg, Else, Viswanathan, Akshara

Source: A&A 691, L1 (2024)

Subject Terms: Astrophysics - Astrophysics of Galaxies

Access URL: http://arxiv.org/abs/2311.08464

Probing the early Milky Way with GHOST spectra of an extremely metal-poor star in the Galactic disk

Authors: Dovgal, Anya, Venn, Kim A., Sestito, Federico, Hayes, Christian R., McConnachie, Alan W., Navarro, Julio F., Placco, Vinicius M., Starkenburg, Else, Martin, Nicolas F., Pazder, John S., Chiboucas, Kristin, Deibert, Emily, Gamen, Roberto, Heo, Jeong-Eun, Kalari, Venu M., Martioli, Eder, Xu, Siyi, Diaz, Ruben, Gomez-Jiminez, Manuel, Henderson, David, Prado, Pablo, Quiroz, Carlos, Robertson, J. Gordon, Ruiz-Carmona, Roque, Simpson, Chris, Urrutia, Cristian, Waller, Fletcher, Berg, Trsytyn, Burley, Gregory, Hartman, Zachary, Ireland, Michael, Margheim, Steve, Perez, Gabriel, Thomas-Osip, Joanna

Source: MNRAS 527 (2024) 7810-7824

Subject Terms: Astrophysics - Astrophysics of Galaxies, Astrophysics - Solar and Stellar Astrophysics

Access URL: http://arxiv.org/abs/2310.03075

Gaia's brightest very metal-poor (VMP) stars. Metallicity catalogue of a thousand VMP stars from Gaia's radial velocity spectrometer spectra

Authors: Viswanathan, Akshara, Starkenburg, Else, Matsuno, Tadafumi, Venn, Kim A., Martin, Nicolas F., Longeard, Nicolas, Ardern-Arentsen, Anke, Carlberg, Raymond G., Fabbro, Sebastien, Kordopatis, Georges, Montelius, Martin, Sestito, Federico, Yuan, Zhen

Source: A&A 683, L11 (2024)

Subject Terms: Astrophysics - Astrophysics of Galaxies

Access URL: http://arxiv.org/abs/2309.06137