Abundances of iron-peak elements in 58 bulge spheroid stars from APOGEE

Autor: Barbuy, B., Friaça, A. C. S., Ernandes, H., da Silva, P., Souza, S. O., Fernández-Trincado, J. G., Cunha, K., Smith, V. V., Masseron, T., Pérez-Villegas, A., Chiappini, C., Queiroz, A. B. A., Santiago, B. X., Beers, T. C., Anders, F., Schiavon, R. P., Valentini, M., Minniti, D., Geisler, D., Souto, D., Placco, V. M., Zoccali, M., Feltzing, S., Schultheis, M., Nitschelm, C.

Stars presently identified in the bulge spheroid are probably very old, and their abundances can be interpreted as due to the fast chemical enrichment of the early Galactic bulge. The abundances of the iron-peak elements are important tracers of nucl

Externí odkaz: http://arxiv.org/abs/2410.13751

Atypical Mg-poor Milky Way Field Stars with Globular Cluster Second-generation-like Chemical Patterns

Autor: Fernández-Trincado, J. G., Zamora, O., García-Hernández, D. A., Souto, Diogo, Dell’Agli, F., Schiavon, R. P., Geisler, D., Tang, B., Villanova, S., Hasselquist, Sten, Mennickent, R. E., Cunha, Katia, Shetrone, M., Prieto, Carlos Allende, Vieira, K., Zasowski, G., Sobeck, J., Hayes, C. R., Majewski, S. R., Placco, V. M., Beers, T. C., Schleicher, D. R. G., Robin, A. C., Mészáros, Sz., Masseron, T., Pérez, Ana E. García, Anders, F., Meza, A., Alves-Brito, A., Carrera, R., Minniti, D., Lane, R. R., Fernández-Alvar, E., Moreno, E., Pichardo, B., Pérez-Villegas, A., Schultheis, M., Roman-Lopes, A., Fuentes, C. E., Nitschelm, C., Harding, P., Bizyaev, D., Pan, K., Oravetz, D., Simmons, A., Ivans, Inese I., Blanco-Cuaresma, S., Hernández, J., Alonso-García, J., Valenzuela, O., Chanamé, J.

We report the peculiar chemical abundance patterns of 11 atypical Milky Way (MW) field red giant stars observed by the Apache Point Observatory Galactic Evolution Experiment (APOGEE). These atypical giants exhibit strong Al and N enhancements accompa

Externí odkaz: http://hdl.handle.net/10150/625816
http://arizona.openrepository.com/arizona/handle/10150/625816

Horizons: Nuclear Astrophysics in the 2020s and Beyond

Autor: Schatz, H., Reyes, A. D. Becerril, Best, A., Brown, E. F., Chatziioannou, K., Chipps, K. A., Deibel, C. M., Ezzeddine, R., Galloway, D. K., Hansen, C. J., Herwig, F., Ji, A. P., Lugaro, M., Meisel, Z., Norman, D., Read, J. S., Roberts, L. F., Spyrou, A., Tews, I., Timmes, F. X., Travaglio, C., Vassh, N., Abia, C., Adsley, P., Agarwal, S., Aliotta, M., Aoki, W., Arcones, A., Aryan, A., Bandyopadhyay, A., Banu, A., Bardayan, D. W., Barnes, J., Bauswein, A., Beers, T. C., Bishop, J., Boztepe, T., Côté, B., Caplan, M. E., Champagne, A. E., Clark, J. A., Couder, M., Couture, A., de Mink, S. E., Debnath, S., deBoer, R. J., Hartogh, J. den, Denissenkov, P., Dexheimer, V., Dillmann, I., Escher, J. E., Famiano, M. A., Farmer, R., Fisher, R., Fröhlich, C., Frebel, A., Fryer, C., Fuller, G., Ganguly, A. K., Ghosh, S., Gibson, B. K., Gorda, T., Gourgouliatos, K. N., Graber, V., Gupta, M., Haxton, W., Heger, A., Hix, W. R., Ho, W C. G., Holmbeck, E. M., Hood, A. A., Huth, S., Imbriani, G., Izzard, R. G., Jain, R., Jayatissa, H., Johnston, Z., Kajino, T., Kankainen, A., Kiss, G. G., Kwiatkowski, A., La Cognata, M., Laird, A. M., Lamia, L., Landry, P., Laplace, E., Launey, K. D., Leahy, D., Leckenby, G., Lennarz, A., Longfellow, B., Lovell, A. E., Lynch, W. G., Lyons, S. M., Maeda, K., Masha, E., Matei, C., Merc, J., Messer, B., Montes, F., Mukherjee, A., Mumpower, M., Neto, D., Nevins, B., Newton, W. G., Nguyen, L. Q., Nishikawa, K., Nishimura, N., Nunes, F. M., O'Connor, E., O'Shea, B. W., Ong, W-J., Pain, S. D., Pajkos, M. A., Pignatari, M., Pizzone, R. G., Placco, V. M., Plewa, T., Pritychenko, B., Psaltis, A., Puentes, D., Qian, Y-Z., Radice, D., Rapagnani, D., Rebeiro, B. M., Reifarth, R., Richard, A. L., Rijal, N., Roederer, I. U., Rojo, J. S., K, J. S, Saito, Y., Schwenk, A., Sergi, M. L., Sidhu, R. S., Simon, A., Sivarani, T., Skúladóttir, Á., Smith, M. S., Spiridon, A., Sprouse, T. M., Starrfield, S., Steiner, A. W., Strieder, F., Sultana, I., Surman, R., Szücs, T., Tawfik, A., Thielemann, F., Trache, L., Trappitsch, R., Tsang, M. B., Tumino, A., Upadhyayula, S., Martínez, J. O. Valle, Van der Swaelmen, M., Vázquez, C. Viscasillas, Watts, A., Wehmeyer, B., Wiescher, M., Wrede, C., Yoon, J., Zegers, R G. T., Zermane, M. A., Zingale, M.

Nuclear Astrophysics is a field at the intersection of nuclear physics and astrophysics, which seeks to understand the nuclear engines of astronomical objects and the origin of the chemical elements. This white paper summarizes progress and status of

Externí odkaz: http://arxiv.org/abs/2205.07996

From the bulge to the outer disc: StarHorse stellar parameters, distances, and extinctions for stars in APOGEE DR16 and other spectroscopic surveys

Autor: Queiroz, A. B. A., Anders, F., Chiappini, C., Khalatyan, A., Santiago, B. X., Steinmetz, M., Valentini, M., Miglio, A., Bossini, D., Barbuy, B., Minchev, I., Minniti, D., Hernández, D. A. García, Schultheis, M., Beaton, R. L., Beers, T. C., Bizyaev, D., Brownstein, J. R., Cunha, K., Fernández-Trincado, J. G., Frinchaboy, P. M., Lane, R. R., Majewski, S. R., Nataf, D., Nitschelm, C., Pan, K., Roman-Lopes, A., Sobeck, J. S., Stringfellow, G., Zamora, O.

Publikováno v: A&A 638, A76 (2020)

We combine high-resolution spectroscopic data from APOGEE-2 Survey Data Release 16 (DR16) with broad-band photometric data from several sources, as well as parallaxes from {\it Gaia} Data Release 2 (DR2). Using the Bayesian isochrone-fitting code {\t

Externí odkaz: http://arxiv.org/abs/1912.09778

The Southern Photometric Local Universe Survey (S-PLUS): improved SEDs, morphologies and redshifts with 12 optical filters

Autor: de Oliveira, C. Mendes, Ribeiro, T., Schoenell, W., Kanaan, A., Overzier, R. A., Molino, A., Sampedro, L., Coelho, P., Barbosa, C. E., Cortesi, A., Costa-Duarte, M. V., Herpich, F. R., Hernandez-Jimenez, J. A., Placco, V. M., Xavier, H. S., Abramo, L. R., Saito, R. K., Chies-Santos, A. L., Ederoclite, A., de Oliveira, R. Lopes, Gonçalves, D. R., Akras, S., Almeida, L. A., Almeida-Fernandes, F., Beers, T. C., Bonatto, C., Bonoli, S., Cypriano, E. S., de Lima, Erik V. R., de Souza, R. S., de Souza, G. Fabiano, Ferrari, F., Gonçalves, T. S., Gonzalez, A. H., Gutiérrez-Soto, L. A., Hartmann, E. A., Jaffe, Y., Kerber, L. O., Lima-Dias, C., Lopes, P. A. A., Menendez-Delmestre, K., Nakazono, L. M. I., Novais, P. M., Ortega-Minakata, R. A., Pereira, E. S., Perottoni, H. D., Queiroz, C., Reis, R. R. R., Santos, W. A., Santos-Silva, T., Santucci, R. M., Barbosa, C. L., Siffert, B. B., Sodré Jr., L., Torres-Flores, S., Westera, P., Whitten, D. D., Alcaniz, J. S., Alonso-García, Javier, Alencar, S., Alvarez-Candal, A., Amram, P., Azanha, L., Barbá, R. H., Bernardinelli, P. H., Fernandes, M. Borges, Branco, V., Brito-Silva, D., Buzzo, M. L., Caffer, J., Campillay, A., Cano, Z., Carvano, J. M., Castejon, M., Fernandes, R. Cid, Dantas, M. L. L., Daflon, S., Damke, G., de la Reza, R., de Azevedo, L. J. de Melo, De Paula, D. F., Diem, K. G., Donnerstein, R., Dors, O. L., Dupke, R., Eikenberry, S., Escudero, Carlos G., Faifer, Favio R., Farías, H., Fernandes, B., Fernandes, C., Fontes, S., Galarza, A., Hirata, N. S. T., Katena, L., Gregorio-Hetem, J., Hernández-Fernández, J. D., Izzo, L., Arancibia, M. Jaque, Jatenco-Pereira, V., Jiménez-Teja, Y., Kann, D. A., Krabbe, A. C., Labayru, C., Lazzaro, D., Neto, G. B. Lima, Lopes, Amanda R., Magalhães, R., Makler, M., de Menezes, R., Miralda-Escudé, J., Monteiro-Oliveira, R., Montero-Dorta, A. D., Muñoz-Elgueta, N., Nemmen, R. S., Castellón, J. L. Nilo, Oliveira, A. S., Ortíz, D., Pattaro, E., Pereira, C. B., Quint, B., Riguccini, L., Pinto, H. J. Rocha, Rodrigues, I., Roig, F., Rossi, S., Saha, Kanak, Santos, R., Müller, A. Schnorr, Sesto, Leandro A., Silva, R., Castelli, Analía V. Smith, Teixeira, Ramachrisna, Telles, E., de Souza, R. C. Thom, Thöne, C., Trevisan, M., Postigo, A. de Ugarte, Urrutia-Viscarra, F., Veiga, C. H., Vika, M., Vitorelli, A. Z., Werle, A., Werner, S. V., Zaritsky, D.

The Southern Photometric Local Universe Survey (S-PLUS) is imaging ~9300 deg^2 of the celestial sphere in twelve optical bands using a dedicated 0.8 m robotic telescope, the T80-South, at the Cerro Tololo Inter-American Observatory, Chile. The telesc

Externí odkaz: http://arxiv.org/abs/1907.01567