Bostroem et al. 2023: Early Spectroscopy and Dense Circumstellar Medium Interaction in SN 2023ixf

Early Spectroscopy and Dense Circumstellar Medium Interaction in SN 2023ixf K. Azalee Bostroem, Jeniveve Pearson, Manisha Shrestha, David J. Sand, Stefano Valenti, Saurabh W. Jha, Jennifer E. Andrews, Nathan Smith, Giacomo Terreran, Elizabeth Green, Yize Dong, Michael Lundquist, Joshua Haislip, Emily T. Hoang, Griffin Hosseinzadeh, Daryl Janzen, Jacob E. Jencson, …

Xing et al. 2023: From ZAMS to Merger: Detailed Binary Evolution Models of Coalescing Neutron Star-Black Hole Systems at Solar Metallicity

From ZAMS to Merger: Detailed Binary Evolution Models of Coalescing Neutron Star-Black Hole Systems at Solar Metallicity Zepei Xing, Simone S. Bavera, Tassos Fragos, Matthias U. Kruckow, Jaim Román-Garza, Jeff J. Andrews, Aaron Dotter, Konstantinos Kovlakas, Devina Misra, Philipp M. Srivastava, Kyle A. Rocha, Meng Sun, Emmanouil Zapartas Neutron star …

Siegel et al. 2023: Investigating the Lower Mass Gap with Low-mass X-Ray Binary Population Synthesis

Investigating the Lower Mass Gap with Low-mass X-Ray Binary Population Synthesis Jared C. Siegel, Ilia Kiato, Vicky Kalogera, Christopher P. L. Berry, Thomas J. Maccarone, Katelyn Breivik, Jeff J. Andrews, Simone S. Bavera, Aaron Dotter, Tassos Fragos, Konstantinos Kovlakas, Devina Misra, Kyle A. Rocha, Philipp M. Srivastava, Meng Sun, Zepei …

Bonanos et al. 2023: Introducing the ASSESS project: Episodic Mass Loss in Evolved Massive Stars – Key to Understanding the Explosive Early Universe

Introducing the ASSESS project: Episodic Mass Loss in Evolved Massive Stars – Key to Understanding the Explosive Early Universe A.Z. Bonanos, G. Maravelias, M. Yang, F. Tramper, S. de Wit, E. Zapartas, K. Antoniadis, E. Christodoulou, G. Munoz-Sanchez Episodic mass loss is not understood theoretically, neither accounted for in state-of-the-art …

ESO time granted for P112

Another successful ESO proposal! We managed to get about 1.5 nights for cycle P112, and in visitor mode! So, now that we are free to travel, we will have the PhD students Gonzalo Munoz-Sanchez (PI of the project) and Evangelia Christodoulou to travel to Paranal and observe from there. The …

Contributing to the 16th Hellenic Astronomical Conference

During 26-28 of July (2023), the ASSESS group actively participated in the 16th Hellenic Astronomical Conference, held in Athens. In total, we had three talks and five posters accepted. Alceste Bonanos provided an overview of the “Results of the ASSESS project: Episodic Mass Loss in Evolved Massive Stars: Key to …

Maravelias et al. 2023: Discovering New B[e] Supergiants and Candidate Luminous Blue Variables in Nearby Galaxies

Discovering New B[e] Supergiants and Candidate Luminous Blue Variables in Nearby Galaxies Grigoris Maravelias, Stephan de Wit, Alceste Z. Bonanos, Frank Tramper, Gonzalo Munoz-Sanchez and Evangelia Christodoulou Mass loss is one of the key parameters that determine stellar evolution. Despite the progress we have achieved over the last decades we …

Vink et al. 2023: X-Shooting ULLYSES: massive stars at low metallicity I. Project Description

X-Shooting ULLYSES: massive stars at low metallicityI. Project Description Jorick S. Vink, A. Mehner, P. A. Crowther, A. Fullerton, M. Garcia, F. Martins, N. Morrell, L.M. Oskinova, N. St-Louis, A. ud-Doula, A.A.C. Sander, H. Sana, J.-C. Bouret, B. Kubátová, P. Marchant, L.P. Martins, A. Wofford, J. Th. van Loon, O. …

Postdoctoral position on modeling evolved massive stars II

The Institute for Astronomy, Astrophysics, Space Applications and Remote Sensing (IAASARS) of the National Observatory of Athens invites applications for 1 postdoctoral position on modeling evolved massive stars in nearby galaxies in the framework of the ERC consolidator grant titled “Episodic Mass Loss in Massive Stars: Key to Understanding the …