58 citations · 364 across the 36 of their papers we have counts for
9 papers · 1 filter
Near-Infrared Spectroscopy of Ultracompact \ion{H}{2} regions in W51A with NIFS/ALTAIR
Cassio L. Barbosa, Felipe Navarete, Robert D. Blum +1
W51A is the most active star formation region of the Giant \ion{H}{2} region W51. It harbors the two massive proto-clusters W51e and W51\,IRS2, which are very rare in the Galaxy. W…
The long-term spectral changes of eta Carinae: are they caused by a dissipating occulter as indicated by CMFGEN models?
A. Damineli, D. J. Hillier, F. Navarete +23
Eta Carinae (\,Car) exhibits a unique set of P Cygni profiles with both broad and narrow components. Over many decades, the spectrum has changed -- there has been an increase in…
Distance and age of the massive stellar cluster Westerlund 1. II. The eclipsing binary W36
Danilo F. Rocha, Leonardo A. Almeida, Augusto Damineli +3
Westerlund 1 (Wd 1) is one of the most relevant star clusters in the Milky Way to study massive star formation, although it is still poorly known. Here, we used photometric and spe…
Changes in the Na D Absorption Components of Carinae Provide Clues on the Location of the Dissipating Central Occulter
Connor S. Pickett, Noel D. Richardson, Theodore Gull +9
The Na D absorption doublet in the spectrum of Carinae is complex, with multiple absorption features associated with the Great Eruption (1840s), the Lesser Eruption (1890s), an…
The GRANDMA network in preparation for the fourth gravitational-wave observing run
S. Agayeva, V. Aivazyan, S. Alishov +98
GRANDMA is a world-wide collaboration with the primary scientific goal of studying gravitational-wave sources, discovering their electromagnetic counterparts and characterizing the…
NICER X-ray Observations of Eta Carinae During its Most Recent Periastron Passage
David Espinoza-Galeas, Michael Francis Corcoran, Kenji Hamaguchi +12
We report high-precision X-ray monitoring observations in the 0.4-10 keV band of the luminous, long-period colliding-wind binary Eta Carinae up to and through its most recent X-ray…
Eta Carinae: an evolving view of the central binary, its interacting winds and its foreground ejecta
Theodore R. Gull, D. John Hillier, Henrik Hartman +13
FUV spectra of Eta Car, recorded across two decades with HST/STIS, document multiple changes in resonant lines caused by dissipating extinction in our line of sight. The FUV flux h…
Distance and age of the massive stellar cluster Westerlund 1. I. Parallax method using Gaia-EDR3
Felipe Navarete, Augusto Damineli, Aura E. Ramirez +2
Westerlund 1 (Wd 1) is one of the most massive young star clusters in the Milky Way. Although relevant for star formation and evolution, its fundamental parameters are not yet very…
GRANDMA Observations of ZTF/Fink Transients during Summer 2021
V. Aivazyan, M. Almualla, S. Antier +80
We present our follow-up observations with GRANDMA of transient sources revealed by the Zwicky Transient Facility (ZTF). Over a period of six months, all ZTF triggers were examined…