A spectroscopic and kinematic survey of fast hot subdwarfs

Authors: Geier, S., Heber, U., Irrgang, A., Dorsch, M., Bastian, A., Neunteufel, P., Kupfer, T., Bloemen, S., Kreuzer, S., Möller, L., Schindewolf, M., Schneider, D., Ziegerer, E., Pelisoli, I., Schaffenroth, V., Barlow, B. N., Raddi, R., Geier, S. J., Reindl, N., Rauch, T., Nemeth, P., Gänsicke, B. T.

Source: A&A 690, A368 (2024)

Subject Terms: Astrophysics - Solar and Stellar Astrophysics, Astrophysics - Astrophysics of Galaxies

Access URL: http://arxiv.org/abs/2407.04479

A 500 pc volume-limited sample of hot subluminous stars I. Space density, scale height, and population properties

Authors: Dawson, H., Geier, S., Heber, U., Pelisoli, I., Dorsch, M., Schaffenroth, V., Reindl, N., Culpan, R., Pritzkuleit, M., Vos, J., Soemitro, A. A., Roth, M. M., Schneider, D., Uzundag, M., Vučković, M., Amaral, L. Antunes, Istrate, A. G., Justham, S., Østensen, R. H., Telting, J. H., Djupvik, A. A., Raddi, R., Green, E. M., Jeffery, C. S., Kepler, S. O., Munday, J., Steinmetz, T., Kupfer, T.

Subject Terms: Astrophysics - Solar and Stellar Astrophysics, Astrophysics - Astrophysics of Galaxies

Access URL: http://arxiv.org/abs/2403.15513

SHOTGLAS II. MUSE spectroscopy of blue horizontal branch stars in the core of $\omega$ Centauri and NGC 6752

Authors: Latour, M., Hämmerich, S., Dorsch, M., Heber, U., Husser, T. -O., Kamann, S., Dreizler, S., Brinchmann, J.

Source: A&A 677, A86 (2023)

Subject Terms: Astrophysics - Solar and Stellar Astrophysics, Astrophysics - Astrophysics of Galaxies

Access URL: http://arxiv.org/abs/2306.14549

The first massive compact companion in a wide orbit around a hot subdwarf star

Authors: Geier, S., Dorsch, M., Dawson, H., Pelisoli, I., Munday, J., Marsh, T. R., Schaffenroth, V., Heber, U.

Source: A&A 677, A11 (2023)

Subject Terms: Astrophysics - Solar and Stellar Astrophysics, Astrophysics - High Energy Astrophysical Phenomena

Access URL: http://arxiv.org/abs/2305.03475

Sub-stellar Companions of Intermediate-mass Stars with CoRoT: CoRoT-34b, CoRoT-35b, and CoRoT-36b

Authors: Sebastian, D., Guenther, E. W., Deleuil, M., Dorsch, M., Heber, U., Heuser, C., Gandolfi, D., Grziwa, S., Deeg, H. J., Alonso, R., Bouchy, F., Csizmadia, Sz., Cusano, F., Fridlund, M., Geier, S., Irrgang, A., Korth, J., Nespral, D., Rauer, H., Tal-Or, L.

Subject Terms: Astrophysics - Earth and Planetary Astrophysics, Astrophysics - Solar and Stellar Astrophysics

Access URL: http://arxiv.org/abs/2207.08742

Discovery and analysis of three magnetic hot subdwarf stars: evidence for merger-induced magnetic fields

Authors: Pelisoli, Ingrid, Dorsch, M., Heber, U., Gänsicke, B., Geier, S., Kupfer, T., Németh, P., Scaringi, S., Schaffenroth, V.

Subject Terms: Astrophysics - Solar and Stellar Astrophysics

Access URL: http://arxiv.org/abs/2204.06575

The OmegaWhite Survey for Short-Period Variable Stars VII: High amplitude, short period blue variables

Authors: Ramsay, G., Woudt, P. A., Kupfer, T., van Roestel, J., Patterson, K., Warner, B., Buckley, D. A. H., Groot, P. J., Heber, U., Irrgang, A., Jeffery, C. S., Motsoaledi, M., Schwartz, M. J., Wevers, T.

Subject Terms: Astrophysics - Solar and Stellar Astrophysics

Access URL: http://arxiv.org/abs/2204.03265

Radial velocity variability and evolution of hot subdwarf stars

Authors: Geier, S., Dorsch, M., Pelisoli, I., Reindl, N., Heber, U., Irrgang, A.

Source: A&A 661, A113 (2022)

Subject Terms: Astrophysics - Solar and Stellar Astrophysics

Access URL: http://arxiv.org/abs/2202.09608

Mysterious Odd Radio Circle near the Large Magellanic Cloud -- An Intergalactic Supernova Remnant?

Authors: Filipović, Miroslav D., Payne, J. L., Alsaberi, R. Z. E., Norris, R. P., Macgregor, P. J., Rudnick, L., Koribalski, B. S., Leahy, D., Ducci, L., Kothes, R., Andernach, H., Barnes, L., Bojičić, I. S., Bozzetto, L. M., Brose, R., Collier, J. D., Crawford, E. J., Crocker, R. M., Dai, S., Galvin, T. J., Haberl, F., Heber, U., Hill, T., Hopkins, A. M., Hurley-Walker, N., Ingallinera, A., Jarrett, T., Kavanagh, P. J., Lenc, E., Luken, K. J., Mackey, D., Manojlović, P., Maggi, P., Maitra, C., Pennock, C. M., Points, S., Riggi, S., Rowell, G., Safi-Harb, S., Sano, H., Sasaki, M., Shabala, S., Stevens, J., van Loon, J. Th., Tothill, N. F. H., Umana, G., Urošević, D., Velović, V., Vernstrom, T., West, J. L., Wan, Z.

Subject Terms: Astrophysics - High Energy Astrophysical Phenomena, Astrophysics - Cosmology and Nongalactic Astrophysics

Access URL: http://arxiv.org/abs/2201.10026

Discovery of a highly magnetic He-sdO star from a double-degenerate binary merger

Authors: Dorsch, M., Reindl, N., Pelisoli, I., Heber, U., Geier, S., Istrate, A. G., Justham, S.

Source: A&A 658, L9 (2022)

Subject Terms: Astrophysics - Solar and Stellar Astrophysics

Access URL: http://arxiv.org/abs/2201.08146

Kinematic properties of white dwarfs. Galactic orbital parameters and age-velocity dispersion relation

Authors: Raddi, R., Torres, S., Rebassa-Mansergas, A., Maldonado, J., Camisassa, M. E., Koester, D., Fusillo, N. P. Gentile, Tremblay, P. -E., Dimpel, M., Heber, U., Cunningham, T., Ren, J. -J.

Source: A&A 658, A22 (2022)

Subject Terms: Astrophysics - Solar and Stellar Astrophysics, Astrophysics - Astrophysics of Galaxies

Access URL: http://arxiv.org/abs/2111.01145

A hot subdwarf-white dwarf super-Chandrasekhar candidate supernova Ia progenitor

Authors: Pelisoli, Ingrid, Neunteufel, P., Geier, S., Kupfer, T., Heber, U., Irrgang, A., Schneider, D., Bastian, A., van Roestel, J., Schaffenroth, V., Barlow, B. N.

Subject Terms: Astrophysics - Solar and Stellar Astrophysics, Astrophysics - Cosmology and Nongalactic Astrophysics, Astrophysics - High Energy Astrophysical Phenomena

Access URL: http://arxiv.org/abs/2107.09074

EC 22536-5304: a lead-rich and metal-poor long-period binary

Authors: Dorsch, M., Jeffery, C. S., Irrgang, A., Woolf, V., Heber, U.

Source: A&A 653, A120 (2021)

Subject Terms: Astrophysics - Solar and Stellar Astrophysics

Access URL: http://arxiv.org/abs/2107.06340

Space observations of AA Doradus provide consistent mass determinations. New HW-Vir systems observed with TESS

Authors: Baran, A. S., Østensen, R. H., Heber, U., Irrgang, A., Sanjayan, S., Telting, J. H., Reed, M. D., Ostrowski, J.

Source: 2021, MNRAS, 503, 2157

Subject Terms: Astrophysics - Solar and Stellar Astrophysics

Access URL: http://arxiv.org/abs/2105.01074

A quantitative in-depth analysis of the prototype sdB+BD system SDSS J08205+0008 revisited in the Gaia era

Authors: Schaffenroth, V., Casewell, S. L., Schneider, D., Kilkenny, D., Geier, S., Heber, U., Irrgang, A., Przybilla, N., Marsh, T. R., Littlefair, S. P., Dhillon, V. S.

Subject Terms: Astrophysics - Solar and Stellar Astrophysics

Access URL: http://arxiv.org/abs/2011.10013

EPIC 216747137: a new HW Vir eclipsing binary with a massive sdOB primary and a low-mass M-dwarf companion

Authors: Silvotti, R., Schaffenroth, V., Heber, U., Østensen, R. H., Telting, J. H., Vos, J., Kilkenny, D., Mancini, L., Ciceri, S., Irrgang, A., Drechsel, H.

Subject Terms: Astrophysics - Solar and Stellar Astrophysics

Access URL: http://arxiv.org/abs/2010.13524

Heavy-metal enrichment of intermediate He-sdOB stars: the pulsators Feige 46 and LS IV -14 116 revisited

Authors: Dorsch, M., Latour, M., Heber, U., Irrgang, A., Charpinet, S., Jeffery, C. S.

Source: A&A 643, A22 (2020)

Subject Terms: Astrophysics - Solar and Stellar Astrophysics

Access URL: http://arxiv.org/abs/2009.09032

Mode identification in three pulsating hot subdwarfs observed with TESS satellite

Authors: Sahoo, S. K., Baran, A. S., Heber, U., Ostrowski, J., Sanjayan, S., Silvotti, R., Irrgang, A., Uzundag, M., Reed, M. D., Shoaf, K. A., Raddi, R., Vuckovic, M., Ghasemi, H., Zong, W., Bell, K. J.

Source: Monthly Notices of the Royal Astronomical Society, Volume 495, Issue 3, July 2020, Pages 2844-2857

Subject Terms: Astrophysics - Solar and Stellar Astrophysics

Access URL: http://arxiv.org/abs/2006.04126

Hypervelocity Stars in the Gaia era. Revisiting the most extreme stars from the MMT survey

Authors: Kreuzer, S., Irrgang, A., Heber, U.

Source: A&A 637, A53 (2020)

Subject Terms: Astrophysics - Solar and Stellar Astrophysics, Astrophysics - Astrophysics of Galaxies

Access URL: http://arxiv.org/abs/2003.12766

TESS first look at evolved compact pulsators : Discovery and asteroseismic probing of the g-mode hot B subdwarf pulsator EC 21494-7018

Authors: Charpinet, S., Brassard, P., Fontaine, G., Van Grootel, V., Zong, W., Giammichele, N., Heber, U., Bognár, Zs., Geier, S., Green, E. M., Hermes, J. J., Kilkenny, D., Østensen, R. H., Pelisoli, I., Silvotti, R., Telting, J. H., Vučković, M., Worters, H. L., Baran, A. S., Bell, K. J., Bradley, P. A., Debes, J. H., Kawaler, S. D., Kołaczek-Szymański, P., Murphy, S. J., Pigulski, A., Sódor, À., Uzundag, M., Handberg, R., Kjeldsen, H., Ricker, G. R., Vanderspek, R. K.

Source: A&A 632, A90 (2019)

Subject Terms: Astrophysics - Solar and Stellar Astrophysics

Access URL: http://arxiv.org/abs/1910.04234