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Main Authors: Tandoi, C., Guns, S., Foster, A., Ade, P. A. R., Anderson, A. J., Ansarinejad, B., Archipley, M., Balkenhol, L., Benabed, K., Bender, A. N., Benson, B. A., Bianchini, F., Bleem, L. E., Bouchet, F. R., Bryant, L., Camphuis, E., Carlstrom, J. E., Cecil, T. W., Chang, C. L., Chaubal, P., Chichura, P. M., Chou, T. -L., Coerver, A., Crawford, T. M., Cukierman, A., Daley, C., de Haan, T., Dibert, K. R., Dobbs, M. A., Doussot, A., Dutcher, D., Everett, W., Feng, C., Ferguson, K. R., Fichman, K., Galli, S., Gambrel, A. E., Gardner, R. W., Ge, F., Goeckner-Wald, N., Gualtieri, R., Guidi, F., Halverson, N. W., Hivon, E., Holder, G. P., Holzapfel, W. L., Hood, J. C., Huang, N., Kéruzoré, F., Knox, L., Korman, M., Kornoelje, K., Kuo, C. -L., Lee, A. T., Levy, K., Lowitz, A. E., Lu, C., Maniyar, A., Menanteau, F., Millea, M., Montgomery, J., Moon, Y., Nakato, Y., Natoli, T., Noble, G. I., Novosad, V., Omori, Y., Padin, S., Pan, Z., Paschos, P., Phadke, K. A., Prabhu, K., Qu, Z., Quan, W., Rahimi, M., Rahlin, A., Reichardt, C. L., Reuter, C., Rouble, M., Ruhl, J. E., Schiappucci, E., Smecher, G., Sobrin, J. A., Stark, A. A., Stephen, J., Suzuki, A., Thompson, K. L., Thorne, B., Trendafilova, C., Tucker, C., Umilta, C., Vieira, J. D., Wan, Y., Wang, G., Whitehorn, N., Wu, W. L. K., Yefremenko, V., Young, M. R., Zebrowski, J. A.
Format: Preprint
Published: 2024
Subjects:
Solar and Stellar Astrophysics
Astrophysics of Galaxies
Online Access:https://arxiv.org/abs/2401.13525
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author Tandoi, C.
Guns, S.
Foster, A.
Ade, P. A. R.
Anderson, A. J.
Ansarinejad, B.
Archipley, M.
Balkenhol, L.
Benabed, K.
Bender, A. N.
Benson, B. A.
Bianchini, F.
Bleem, L. E.
Bouchet, F. R.
Bryant, L.
Camphuis, E.
Carlstrom, J. E.
Cecil, T. W.
Chang, C. L.
Chaubal, P.
Chichura, P. M.
Chou, T. -L.
Coerver, A.
Crawford, T. M.
Cukierman, A.
Daley, C.
de Haan, T.
Dibert, K. R.
Dobbs, M. A.
Doussot, A.
Dutcher, D.
Everett, W.
Feng, C.
Ferguson, K. R.
Fichman, K.
Galli, S.
Gambrel, A. E.
Gardner, R. W.
Ge, F.
Goeckner-Wald, N.
Gualtieri, R.
Guidi, F.
Halverson, N. W.
Hivon, E.
Holder, G. P.
Holzapfel, W. L.
Hood, J. C.
Huang, N.
Kéruzoré, F.
Knox, L.
Korman, M.
Kornoelje, K.
Kuo, C. -L.
Lee, A. T.
Levy, K.
Lowitz, A. E.
Lu, C.
Maniyar, A.
Menanteau, F.
Millea, M.
Montgomery, J.
Moon, Y.
Nakato, Y.
Natoli, T.
Noble, G. I.
Novosad, V.
Omori, Y.
Padin, S.
Pan, Z.
Paschos, P.
Phadke, K. A.
Prabhu, K.
Qu, Z.
Quan, W.
Rahimi, M.
Rahlin, A.
Reichardt, C. L.
Reuter, C.
Rouble, M.
Ruhl, J. E.
Schiappucci, E.
Smecher, G.
Sobrin, J. A.
Stark, A. A.
Stephen, J.
Suzuki, A.
Thompson, K. L.
Thorne, B.
Trendafilova, C.
Tucker, C.
Umilta, C.
Vieira, J. D.
Wan, Y.
Wang, G.
Whitehorn, N.
Wu, W. L. K.
Yefremenko, V.
Young, M. R.
Zebrowski, J. A.
author_facet Tandoi, C.
Guns, S.
Foster, A.
Ade, P. A. R.
Anderson, A. J.
Ansarinejad, B.
Archipley, M.
Balkenhol, L.
Benabed, K.
Bender, A. N.
Benson, B. A.
Bianchini, F.
Bleem, L. E.
Bouchet, F. R.
Bryant, L.
Camphuis, E.
Carlstrom, J. E.
Cecil, T. W.
Chang, C. L.
Chaubal, P.
Chichura, P. M.
Chou, T. -L.
Coerver, A.
Crawford, T. M.
Cukierman, A.
Daley, C.
de Haan, T.
Dibert, K. R.
Dobbs, M. A.
Doussot, A.
Dutcher, D.
Everett, W.
Feng, C.
Ferguson, K. R.
Fichman, K.
Galli, S.
Gambrel, A. E.
Gardner, R. W.
Ge, F.
Goeckner-Wald, N.
Gualtieri, R.
Guidi, F.
Halverson, N. W.
Hivon, E.
Holder, G. P.
Holzapfel, W. L.
Hood, J. C.
Huang, N.
Kéruzoré, F.
Knox, L.
Korman, M.
Kornoelje, K.
Kuo, C. -L.
Lee, A. T.
Levy, K.
Lowitz, A. E.
Lu, C.
Maniyar, A.
Menanteau, F.
Millea, M.
Montgomery, J.
Moon, Y.
Nakato, Y.
Natoli, T.
Noble, G. I.
Novosad, V.
Omori, Y.
Padin, S.
Pan, Z.
Paschos, P.
Phadke, K. A.
Prabhu, K.
Qu, Z.
Quan, W.
Rahimi, M.
Rahlin, A.
Reichardt, C. L.
Reuter, C.
Rouble, M.
Ruhl, J. E.
Schiappucci, E.
Smecher, G.
Sobrin, J. A.
Stark, A. A.
Stephen, J.
Suzuki, A.
Thompson, K. L.
Thorne, B.
Trendafilova, C.
Tucker, C.
Umilta, C.
Vieira, J. D.
Wan, Y.
Wang, G.
Whitehorn, N.
Wu, W. L. K.
Yefremenko, V.
Young, M. R.
Zebrowski, J. A.
contents We present a flare star catalog from four years of non-targeted millimeter-wave survey data from the South Pole Telescope (SPT). The data were taken with the SPT-3G camera and cover a 1500-square-degree region of the sky from $20^{h}40^{m}0^{s}$ to $3^{h}20^{m}0^{s}$ in right ascension and $-42^{\circ}$ to $-70^{\circ}$ in declination. This region was observed on a nearly daily cadence from 2019-2022 and chosen to avoid the plane of the galaxy. A short-duration transient search of this survey yields 111 flaring events from 66 stars, increasing the number of both flaring events and detected flare stars by an order of magnitude from the previous SPT-3G data release. We provide cross-matching to Gaia DR3, as well as matches to X-ray point sources found in the second ROSAT all-sky survey. We have detected flaring stars across the main sequence, from early-type A stars to M dwarfs, as well as a large population of evolved stars. These stars are mostly nearby, spanning 10 to 1000 parsecs in distance. Most of the flare spectral indices are constant or gently rising as a function of frequency at 95/150/220 GHz. The timescale of these events can range from minutes to hours, and the peak $νL_ν$ luminosities range from $10^{27}$ to $10^{31}$ erg s$^{-1}$ in the SPT-3G frequency bands.
format Preprint
id arxiv_https___arxiv_org_abs_2401_13525
institution arXiv
publishDate 2024
record_format arxiv
spellingShingle Flaring Stars in a Non-targeted mm-wave Survey with SPT-3G
Tandoi, C.
Guns, S.
Foster, A.
Ade, P. A. R.
Anderson, A. J.
Ansarinejad, B.
Archipley, M.
Balkenhol, L.
Benabed, K.
Bender, A. N.
Benson, B. A.
Bianchini, F.
Bleem, L. E.
Bouchet, F. R.
Bryant, L.
Camphuis, E.
Carlstrom, J. E.
Cecil, T. W.
Chang, C. L.
Chaubal, P.
Chichura, P. M.
Chou, T. -L.
Coerver, A.
Crawford, T. M.
Cukierman, A.
Daley, C.
de Haan, T.
Dibert, K. R.
Dobbs, M. A.
Doussot, A.
Dutcher, D.
Everett, W.
Feng, C.
Ferguson, K. R.
Fichman, K.
Galli, S.
Gambrel, A. E.
Gardner, R. W.
Ge, F.
Goeckner-Wald, N.
Gualtieri, R.
Guidi, F.
Halverson, N. W.
Hivon, E.
Holder, G. P.
Holzapfel, W. L.
Hood, J. C.
Huang, N.
Kéruzoré, F.
Knox, L.
Korman, M.
Kornoelje, K.
Kuo, C. -L.
Lee, A. T.
Levy, K.
Lowitz, A. E.
Lu, C.
Maniyar, A.
Menanteau, F.
Millea, M.
Montgomery, J.
Moon, Y.
Nakato, Y.
Natoli, T.
Noble, G. I.
Novosad, V.
Omori, Y.
Padin, S.
Pan, Z.
Paschos, P.
Phadke, K. A.
Prabhu, K.
Qu, Z.
Quan, W.
Rahimi, M.
Rahlin, A.
Reichardt, C. L.
Reuter, C.
Rouble, M.
Ruhl, J. E.
Schiappucci, E.
Smecher, G.
Sobrin, J. A.
Stark, A. A.
Stephen, J.
Suzuki, A.
Thompson, K. L.
Thorne, B.
Trendafilova, C.
Tucker, C.
Umilta, C.
Vieira, J. D.
Wan, Y.
Wang, G.
Whitehorn, N.
Wu, W. L. K.
Yefremenko, V.
Young, M. R.
Zebrowski, J. A.
Solar and Stellar Astrophysics
Astrophysics of Galaxies
We present a flare star catalog from four years of non-targeted millimeter-wave survey data from the South Pole Telescope (SPT). The data were taken with the SPT-3G camera and cover a 1500-square-degree region of the sky from $20^{h}40^{m}0^{s}$ to $3^{h}20^{m}0^{s}$ in right ascension and $-42^{\circ}$ to $-70^{\circ}$ in declination. This region was observed on a nearly daily cadence from 2019-2022 and chosen to avoid the plane of the galaxy. A short-duration transient search of this survey yields 111 flaring events from 66 stars, increasing the number of both flaring events and detected flare stars by an order of magnitude from the previous SPT-3G data release. We provide cross-matching to Gaia DR3, as well as matches to X-ray point sources found in the second ROSAT all-sky survey. We have detected flaring stars across the main sequence, from early-type A stars to M dwarfs, as well as a large population of evolved stars. These stars are mostly nearby, spanning 10 to 1000 parsecs in distance. Most of the flare spectral indices are constant or gently rising as a function of frequency at 95/150/220 GHz. The timescale of these events can range from minutes to hours, and the peak $νL_ν$ luminosities range from $10^{27}$ to $10^{31}$ erg s$^{-1}$ in the SPT-3G frequency bands.
title Flaring Stars in a Non-targeted mm-wave Survey with SPT-3G
topic Solar and Stellar Astrophysics
Astrophysics of Galaxies
url https://arxiv.org/abs/2401.13525

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