Zobrazeno 1 - 10
of 6 487
pro vyhledávání: '"DOYLE, J."'
Publikováno v:
A&A 689, A288 (2024)
We have searched for stellar activity cycles in late low mass M dwarfs (M0--M6) located in the TESS north and south continuous viewing zones using data from sectors 1--61 (Cycle 1 to part way through Cycle 5). We utilise TESS-SPOC data which initiall
Externí odkaz:
http://arxiv.org/abs/2407.07607
Autor:
Rigney, J., Gallagher, P. T., Ramsay, G., Doyle, J. G., Long, D. M., Stepanyuk, O., Kozarev, K.
Publikováno v:
A&A 684, L7 (2024)
Shock waves are excited by coronal mass ejections (CMEs) and large-scale extreme-ultraviolet (EUV) wave fronts and can result in low-frequency radio emission under certain coronal conditions. In this work, we investigate a moving source of low-freque
Externí odkaz:
http://arxiv.org/abs/2403.17659
New instrumental and telescopes covering the optical and ultra-violet spectral regions have revealed a range of small-scale dynamic features, many which may be related. For example, the range of spicule-like features hints towards a spectrum of featu
Externí odkaz:
http://arxiv.org/abs/2306.02945
Autor:
Hiramoto, A., Masuda, T., Ang, D. G., Meisenhelder, C., Panda, C., Sasao, N., Uetake, S., Wu, X., Demille, D., Doyle, J. M., Gabrielse, G., Yoshimura, K.
This report shows the design and the performance of a large area Silicon Photomultiplier (SiPM) module developed detection of fluorescent light emitted from a 10 cm scale volume. The module was optimized for the planned ACME III electron electric dip
Externí odkaz:
http://arxiv.org/abs/2210.05727
We show signatures of spicules termed Rapid Blue-shifted Excursions (RBEs) in the Si iv 1394 {\AA} emission line using a semi-automated detection approach. We use the H{\alpha} filtergrams obtained by the CRISP imaging spectropolarimeter on the Swedi
Externí odkaz:
http://arxiv.org/abs/2207.01415
Autor:
Rigney, Jeremy, Ramsay, Gavin, Carley, Eoin P., Doyle, J. Gerry, Gallagher, Peter T., Wang, Yuanming, Pritchard, Joshua, Murphy, Tara, Lenc, Emil, Kaplan, David L.
Solar radio emission at low frequencies (<1 GHz) can provide valuable information on processes driving flares and coronal mass ejections (CMEs). Radio emission has been detected from active M dwarf stars, suggestive of much higher levels of activity
Externí odkaz:
http://arxiv.org/abs/2207.00405
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:
Antypas, D., Banerjee, A., Bartram, C., Baryakhtar, M., Betz, J., Bollinger, J. J., Boutan, C., Bowring, D., Budker, D., Carney, D., Carosi, G., Chaudhuri, S., Cheong, S., Chou, A., Chowdhury, M. D., Co, R. T., López-Urrutia, J. R. Crespo, Demarteau, M., DePorzio, N., Derbin, A. V., Deshpande, T., Di Luzio, L., Diaz-Morcillo, A., Doyle, J. M., Drlica-Wagner, A., Droster, A., Du, N., Döbrich, B., Eby, J., Essig, R., Farren, G. S., Figueroa, N. L., Fry, J. T., Gardner, S., Geraci, A. A., Ghalsasi, A., Ghosh, S., Giannotti, M., Gimeno, B., Griffin, S. M., Grin, D., Grote, H., Gundlach, J. H., Guzzetti, M., Hanneke, D., Harnik, R., Henning, R., Irsic, V., Jackson, H., Kimball, D. F. Jackson, Jaeckel, J., Kagan, M., Kedar, D., Khatiwada, R., Knirck, S., Kolkowitz, S., Kovachy, T., Kuenstner, S. E., Lasner, Z., Leder, A. F., Lehnert, R., Leibrandt, D. R., Lentz, E., Lewis, S. M., Liu, Z., Manley, J., Maruyama, R. H., Millar, A. J., Muratova, V. N., Musoke, N., Nagaitsev, S., Noroozian, O., O'Hare, C. A. J., Ouellet, J. L., Pappas, K. M. W., Peik, E., Perez, G., Phipps, A., Rapidis, N. M., Robinson, J. M., Robles, V. H., Rogers, K. K., Rudolph, J., Rybka, G., Safdari, M., Safronova, M. S., Salemi, C. P., Schmidt, P. O., Schumm, T., Schwartzman, A., Shu, J., Simanovskaia, M., Singh, J., Singh, S., Smith, M. S., Snow, W. M., Stadnik, Y. V., Sun, C., Sushkov, A. O., Tait, T. M. P., Takhistov, V., Tanner, D. B., Temples, D. J., Thirolf, P. G., Thomas, J. H., Tobar, M. E., Tretiak, O., Tsai, Y. -D., Tyson, J. A., Vandegar, M., Vermeulen, S., Visinelli, L., Vitagliano, E., Wang, Z., Wilson, D. J., Winslow, L., Withington, S., Wooten, M., Yang, J., Ye, J., Young, B. A., Yu, F., Zaheer, M. H., Zelevinsky, T., Zhao, Y., Zhou, K.
The last decade has seen unprecedented effort in dark matter model building at all mass scales coupled with the design of numerous new detection strategies. Transformative advances in quantum technologies have led to a plethora of new high-precision
Externí odkaz:
http://arxiv.org/abs/2203.14915
Observations made using TESS revealed a sample of low mass stars which show a periodic modulation on a period $<0.2$~d. Surprisingly many of these Ultra Fast Rotating (UFR) stars showed no evidence of flare activity which would be expected from such
Externí odkaz:
http://arxiv.org/abs/2202.06888