The Galactic O-Star Spectroscopic Survey : I. Classification system and bright northern stars in the Blue-Violet at R ∼ 2500

por Sota, Alfredo, Maíz Apellániz, Jesús, Walborn, Nolan Revere, Alfaro, Emilio J., Barbá, Rodolfo Héctor, Morrell, Nidia Irene, Gamen, Roberto Claudio, Arias, Julia Inés
Publicado 2011

The first orbital solution for the massive colliding-wind binary HD 93162 (≡WR 25)

por Gamen, Roberto Claudio, Gosset, E., Morrell, Nidia Irene, Niemelä, Virpi Sinikka, Sana, H., Nazé, Y., Rauw, G., Barbá, Rodolfo Héctor, Solivella, Gladys Rebeca
Publicado 2006

SB9: The ninth catalogue of spectroscopic binary orbits

por Pourbaix, D., Tokovinin, A. A., Batten, A. H., Fekel, F. C., Hartkopf, W. I., Levato, Orlando Hugo, Morrell, Nidia Irene, Torres, G., Udry, S.
Publicado 2004

The Nature of Transition Circumstellar Disks : II. Southern Molecular Clouds

por Romero, Gisela Andrea, Schreiber, Matthias R., Cieza, Lucas A., Rebassa-Mansergas, Alberto, Merín, Bruno, Smith Castelli, Analía Viviana, Allen, Lori, Morrell, Nidia Irene
Publicado 2012

Further Results from the Galactic O-Star Spectroscopic Survey: Rapidly Rotating Late ON Giants

por Walborn, Nolan Revere, Maíz Apellániz, Jesús, Sota, Alfredo, Alfaro, Emilio J., Morrell, Nidia Irene, Barbá, Rodolfo Héctor, Arias, Julia Inés, Gamen, Roberto Claudio
Publicado 2011

Early results from the galactic O-star spectroscopic survey: C III emission lines in of spectra

por Walborn, Nolan Revere, Sota, Alfredo, Maíz Apellániz, Jesús, Alfaro, Emilio J., Morrell, Nidia Irene, Barbá, Rodolfo Héctor, Arias, Julia Inés, Gamen, Roberto Claudio
Publicado 2010

The HD 5980 multiple system: masses and evolutionary status

por Koenigsberger, G., Morrell, Nidia Irene, Hillier, D. J., Gamen, Roberto Claudio, Schneider, F. R. N., González Jiménez, N., Langer, N., Barbá, Rodolfo Héctor
Publicado 2014

The eccentric short-period orbit of the supergiant fast X-ray transient HD 74194 (=LM Vel)

por Gamen, Roberto Claudio, Barbá, Rodolfo Héctor, Walborn, N. R., Morrell, Nidia Irene, Arias, Julia Inés, Maíz Apellániz, J., Sota, A., Alfaro, E. J.
Publicado 2015

The Galactic O-Star Spectroscopic Survey (GOSSS) : II. Bright southern stars

por Sota, Alfredo, Maíz Apellániz, Jesús, Morrell, Nidia Irene, Barbá, Rodolfo Héctor, Walborn, Nolan Revere, Gamen, Roberto Claudio, Arias, Julia Inés, Alfaro, Emilio J.
Publicado 2014

Non-synchronous rotations in massive binary systems: HD 93343 revisited

por Putkuri, Cristina Ester, Gamen, Roberto Claudio, Morrell, Nidia Irene, Simón Díaz, S., Barbá, Rodolfo Héctor, Ferrero Sosa, Gabriel Antonio, Arias, Julia Inés, Solivella, Gladys Rebeca
Publicado 2018

Type II Supernova Spectral Diversity. II. Spectroscopic and Photometric Correlations

por Gutiérrez, Claudia P., Anderson, Joseph P., Hamuy, Mario, González Gaitan, Santiago, Galbany, Lluis, Dessart, Luc, Stritzinger, Maximilian D., Phillips, Mark M., Morrell, Nidia Irene, Folatelli, Gastón
Publicado 2017

On the multiplicity of the zero-age main-sequence O star Herschel 36

por Arias, Julia Inés, Barbá, Rodolfo Héctor, Gamen, Roberto Claudio, Morrell, Nidia Irene, Maíz Apellániz, Jesús, Alfaro, Emilio J., Sota, Alfredo, Walborn, Nolan Revere, Moni Bidin, Cristian
Publicado 2010

Spectroscopic and photometric analysis of the early-type spectroscopic binary HD 161853 in the centre of an H II region

por Gamen, Roberto Claudio, Putkuri, Cristina Ester, Morrell, Nidia Irene, Barbá, Rodolfo Héctor, Arias, Julia Inés, Maíz Apellániz, J., Walborn, N. R., Sota, A., Alfaro, E. J.
Publicado 2015

Ruprecht 55: An OB association at the edge of our Galaxy

por Bosch, Guillermo Luis, Barbá, Rodolfo Héctor, Morrell, Nidia Irene, Niemelä, Virpi Sinikka, Ostrov, Pablo Gabriel, Arnal, Edmundo Marcelo, Cappa, Cristina Elisabet, Morras, Ricardo, Giménez de Castro, Guillermo
Publicado 2003

A three-decade outburst of the LMC luminous blue variable R127 draws to a close

por Walborn, Nolan Revere, Stahl, O., Gamen, Roberto Claudio, Szeifert, T., Morrell, Nidia Irene, Smith, N. I., Howarth, I. D., Humphreys, R. M., Bond, H. E., Lennon, D. J.
Publicado 2008

A new spectral classification system for the earliest O stars: Definition of type O2

por Walborn, Nolan Revere, Howarth, Ian D., Lennon, Daniel J., Massey, Philip, Oey, M. S., Moffat, Anthony F. J., Skalkowski, Gwen, Morrell, Nidia Irene, Drissenz, Laurent, Parker, Joel W.
Publicado 2002

Nebular phase observations of the Type-Ib supernova iPTF13bvn favour a binary progenitor

por Kuncarayakti, H., Maeda, K., Bersten, Melina Cecilia, Folatelli, Gastón, Morrell, Nidia Irene, Hsiao, E. Y., González Gaitán, S., Anderson, J. P., Hamuy, M., Jaeger, T. de, Gutiérrez, C. P., Kawabata, K. S.
Publicado 2015

Optical spectroscopy of X-Mega targets : II. The massive double-lined O-type binary HD93205

por Morrell, Nidia Irene, Barbá, Rodolfo Héctor, Niemelä, Virpi Sinikka, Corti, Mariela Alejandra, Albacete Colombo, Juan Facundo, Rauw, G., Corcoran, Michael, Morel, T., Bertrand, J. F., Moffat, Anthony, St-Louis, Nicole
Publicado 2001

The Onfp class in the Magellanic Clouds

por Walborn, Nolan Revere, Howarth, Ian D., Evans, Christopher J., Crowther, Paul A., Moffat, Anthony F. J., St-Louis, Nicole, Fariña, Cecilia, Bosch, Guillermo Luis, Morrell, Nidia Irene, Barbá, Rodolfo Héctor, Loon, Jacco T. van
Publicado 2010

Supernova 2010ev: A reddened high velocity gradient type Ia supernova

por Gutiérrez, Claudia P., González Gaitán, Santiago, Folatelli, Gastón, Pignata, Giuliano, Anderson, Joseph P., Hamuy, Mario, Morrell, Nidia Irene, Stritzinger, Maximilian D., Taubenberger, Stefan, Bufano, Filomena, Olivares, Felipe, Haislip, Joshua B., Reichart, Daniel E.
Publicado 2016