Zobrazeno 1 - 10
of 66
pro vyhledávání: '"Vaisanen, Petri"'
Autor:
Gutiérrez, Claudia P., Mattila, Seppo, Lundqvist, Peter, Dessart, Luc, González-Gaitán, Santiago, Jonker, Peter G., Dong, Subo, Coppejans, Deanne, Chen, Ping, Charalampopoulos, Panos, Elias-Rosa, Nancy, Reynolds, Thomas, Kochanek, Christopher, Fraser, Morgan, Pastorello, Andrea, Gromadzki, Mariusz, Neustadt, Jack, Benetti, Stefano, Kankare, Erkki, Kangas, Tuomas, Kotak, Rubina, Stritzinger, Maximilian D., Wevers, Thomas, Zhang, Bing, Bersier, David, Bose, Subhash, Buckley, David A. H., Dastidar, Raya, Gangopadhyay, Anjasha, Hamanowicz, Aleksandra, Kollmeier, Juna, Mao, Jirong, Potter, Stephen B., Romero-Colmenero, Encarni, Singh, Mridweeka, Somero, Auni, Terreran, Giacomo, Vaisanen, Petri, Wyrzykowski, Lukasz
We present ultraviolet, optical and near-infrared photometric and optical spectroscopic observations of the luminous, fast blue optical transient (LFBOT), CSS161010:045834-081803 (CSS161010). The transient was found in a low-redshift (z=0.033) dwarf
Externí odkaz:
http://arxiv.org/abs/2408.04698
Akademický článek
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Autor:
Buckley, David A. H., Andreoni, Igor, Barway, Sudhanshu, Cooke, Jeff, Crawford, Steven M., Gorbovskoy, Evgeny, Gromadzki, Mariusz, Lipunov, Vladimir, Mao, Jirong, Potter, Stephen B., Pretorius, Magaretha L., Pritchard, Tyler A., Romero-Colmenero, Encarni, Shara, Michael M., Vaisanen, Petri, Williams, Ted B.
We report on SALT low resolution optical spectroscopy and optical/IR photometry undertaken with other SAAO telescopes (MASTER-SAAO and IRSF) of the kilonova AT 2017gfo (aka SSS17a) in the galaxy NGC4993 during the first 10 days of discovery. This eve
Externí odkaz:
http://arxiv.org/abs/1710.05855
We describe observations of the apparently empty ring galaxy ESO 474-G040 obtained with the Southern African Large Telescope (SALT). The observations, consisting of imaging, long-slit spectroscopy and Fabry-Perot mapping of the H-alpha line, allow de
Externí odkaz:
http://arxiv.org/abs/1506.00409
Autor:
Mamajek, Eric E., Barenfeld, Scott A., Ivanov, Valentin D., Kniazev, Alexei Y., Vaisanen, Petri, Beletsky, Yuri, Boffin, Henri M. J.
Publikováno v:
2015, Astrophysical Journal Letters 800, L17
Passing stars can perturb the Oort Cloud, triggering comet showers and potentially extinction events on Earth. We combine velocity measurements for the recently discovered, nearby, low-mass binary system WISE J072003.20-084651.2 ("Scholz's star") to
Externí odkaz:
http://arxiv.org/abs/1502.04655
An analysis of the star cluster population in a low-luminosity early type galaxy, NGC 2328, is presented. The clusters are found in a tight star-forming nuclear spiral/ring pattern and we also identify a bar from structural 2D decomposition. These ma
Externí odkaz:
http://arxiv.org/abs/1411.3385
Autor:
Mguda, Zolile, Faltenbacher, Andreas, van der Heyden, Kurt, Gottlöber, Stefan, Cress, Catherine, Vaisanen, Petri, Yepes, Gustavo
In this paper we use the MareNostrum Universe Simulation, a large scale, hydrodynamic, non-radiative simulation in combination with a simple abundance matching approach to determine the ram pressure statistics for bent radio sources (BRSs). The abund
Externí odkaz:
http://arxiv.org/abs/1410.5994
Using the latest generation of adaptive optics imaging systems together with laser guide stars on 8m-class telescopes, we are finally revealing the previously-hidden population of supernovae in starburst galaxies. Finding these supernovae and measuri
Externí odkaz:
http://arxiv.org/abs/1408.0593
Autor:
Randriamanakoto, Zara, Escala, Andres, Vaisanen, Petri, Kankare, Erkki, Kotilainen, Jari, Mattila, Seppo, Ryder, Stuart
We have established a relation between the brightest super star cluster magnitude in a galaxy and the host star formation rate (SFR) for the first time in the near infrared (NIR). The data come from a statistical sample of ~ 40 luminous IR galaxies (
Externí odkaz:
http://arxiv.org/abs/1308.6293
This work investigates the preferred environment of local Luminous IR Galaxies (LIRGs) in terms of the host halos that they inhabit, and in comparison to a control galaxy sample. The LIRGs are drawn from the IRAS Point Source Catalogue redshift surve
Externí odkaz:
http://arxiv.org/abs/1307.5763