Zobrazeno 1 - 10
of 163
pro vyhledávání: '"Marsh, Tom"'
Autor:
Toloza, O., Gaensicke, Boris T., Guzman-Rincon, Laura M., Marsh, Tom R., Szkody, Paula, Schreiber, Matthias R., de Martino, Domitilla, Zorotovic, Monica, El-Badry, Kareem, Koester, Detlev, Lagos, Felipe
Some white dwarfs accreting from non-degenerate companions show anomalous carbon and nitrogen abundances in the photospheres of their stellar components which have been postulated to be descendants of supersoft X-ray binaries. Therefore the carbon-to
Externí odkaz:
http://arxiv.org/abs/2209.06873
Autor:
Doyle, J. Gerry, Irawati, Puji, Kolotkov, Dmitrii Y., Ramsay, Gavin, Nhalil, Nived Vilangot, Dhillon, Vik S., Marsh, Tom R., Yadav, Ram Kesh
Using the ULTRASPEC instrument mounted on the 2.4-m Thai National Telescope, we observed two large flares, each with a total energy close to 10^34 erg with sub-second cadence. A combination of a wavelet analysis, a Fourier transform plus an empirical
Externí odkaz:
http://arxiv.org/abs/2206.08070
Autor:
Brown, Alex J., Parsons, Steven G., Littlefair, Stuart P., Wild, James F., Ashley, Richard P., Breedt, Elme, Dhillon, Vik S., Dyer, Martin J., Green, Matthew J., Kerry, Paul, Marsh, Tom R., Pelisoli, Ingrid, Sahman, Dave I.
With the prevalence of wide-field, time-domain photometric sky surveys, the number of eclipsing white dwarf systems being discovered is increasing dramatically. An efficient method to follow these up will be key to determining any population trends a
Externí odkaz:
http://arxiv.org/abs/2204.05155
Autor:
Inight, keith, Gaensicke, Boris, Blondel, Dominic, Boyd, David, Ashley, Richard, Knigge, Christian, Long, Knox, Marsh, Tom, McCleery, Jack, Scaringi, Simone, Steeghs, Danny, Thorstensen, John, Vanmunster, Tonny, Wheatley, Peter
Despite being bright ($V=12$) and nearby ($d=212$ pc) ASAS J071404+7004.3 has only recently been identified as a nova-like cataclysmic variable. We present time-resolved optical spectroscopy obtained at the Isaac Newton Telescope together with $\text
Externí odkaz:
http://arxiv.org/abs/2109.14514
Autor:
Stringer, James G., Breton, Rene P., Clark, Colin J., Voisin, Guillaume, Kennedy, Mark R., Sànchez, Daniel Mata, Shahbaz, Tariq, Dhillon, Vik S., van Kerkwijk, Marten, Marsh, Tom R.
We present ULTRACAM multiband optical photometry of two transitional millisecond pulsars, PSR J1023+0038 and PSR J1227$-$4853, taken while both were in their radio pulsar states. The light curves show significant asymmetry about the flux maxima in al
Externí odkaz:
http://arxiv.org/abs/2107.11306
Autor:
Mong, Yik-Lun, Ackley, Kendall, Galloway, Duncan, Killestein, Tom, Lyman, Joe, Steeghs, Danny, Dhillon, Vik, O'Brien, Paul, Ramsay, Gavin, Poshyachinda, Saran, Kotak, Rubina, Nuttall, Laura, Pall'e, Enric, Pollacco, Don, Thrane, Eric, Dyer, Martin, Ulaczyk, Krzysztof, Cutter, Ryan, McCormac, James, Chote, Paul, Levan, Andrew, Marsh, Tom, Stanway, Elizabeth, Gompertz, Ben, Wiersema, Klaas, Chrimes, Ashley, Obradovic, Alexander, Mullaney, James, Daw, Ed, Littlefair, Stuart, Maund, Justyn, Makrygianni, Lydia, Burhanudin, Umar, Starling, Rhaana, Eyles, Rob, Tooke, Spencer, Duffy, Christopher, Aukkaravittayapun, Suparerk, Sawangwit, Utane, Awiphan, Supachai, Mkrtichian, David, Irawati, Puji, Mattila, Seppo, Heikkil"a, Teppo, Breton, Rene, Kennedy, Mark, Mata-Sanchez, Daniel, Rol, Evert
The amount of observational data produced by time-domain astronomy is exponentially in-creasing. Human inspection alone is not an effective way to identify genuine transients fromthe data. An automatic real-bogus classifier is needed and machine lear
Externí odkaz:
http://arxiv.org/abs/2008.10178
Autor:
Hollands, Mark A., Tremblay, Pier-Emmanuel, Gänsicke, Boris T., Camisassa, María E., Koester, Detlev, Aungwerojwit, Amornrat, Chote, Paul, Córsico, Alejandro H., Dhillon, Vik S., Gentile-Fusillo, Nicola P., Hoskin, Matthew J., Izquierdo, Paula, Marsh, Tom R., Steeghs, Danny
White dwarfs are dense, cooling stellar embers consisting mostly of carbon and oxygen, or oxygen and neon (with a few percent carbon) at higher initial stellar masses. These stellar cores are enveloped by a shell of helium which in turn is usually su
Externí odkaz:
http://arxiv.org/abs/2003.00028
Autor:
Watson, Christopher, de Mooij, Ernst, Steeghs, Danny, Marsh, Tom, Brogi, Matteo, Gibson, Neale, Matthews, Shannon
High-resolution Doppler spectroscopy is a powerful tool for identifying molecular species in the atmospheres of both transiting and non-transiting exoplanets. Currently, such data is analysed using cross-correlation techniques to detect the Doppler s
Externí odkaz:
http://arxiv.org/abs/1909.09219
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Autor:
Colón, Knicole D., Zhou, George, Shporer, Avi, Collins, Karen A., Bieryla, Allyson, Espinoza, Néstor, Murgas, Felipe, Pattarakijwanich, Petchara, Awiphan, Supachai, Armstrong, James D., Bailey, Jeremy, Barentsen, Geert, Bayliss, Daniel, Chakpor, Anurak, Cochran, William D., Dhillon, Vikram S., Horne, Keith, Ireland, Michael, Kedziora-Chudczer, Lucyna, Kielkopf, John F., Komonjinda, Siramas, Latham, David W., Marsh, Tom. R., Mkrtichian, David E., Pallé, Enric, Ruffolo, David, Sefako, Ramotholo, Tinney, Chris G., Wannawichian, Suwicha, Yuma, Suraphong
We present 45 ground-based photometric observations of the K2-22 system collected between December 2016 and May 2017, which we use to investigate the evolution of the transit of the disintegrating planet K2-22b. Last observed in early 2015, in these
Externí odkaz:
http://arxiv.org/abs/1809.06978