TT
T. Trifonov
astro-ph.EPastro-ph.SRastro-ph.IMastro-ph.GAastro-ph.COastro-ph.HECrystallographic infromation filePEDphysics.space-phRhNiAs
On Valency
published · living versionsW_sw29ydwg·v1 · currentpublished
A candidate super-Earth planet orbiting near the snow line of Barnard's star
with I. Ribas, M. Tuomi, A. Reiners, R. P. Butler +58
1 version
Preprints & journals
115 papers in the corpus · 2012–2026SOPHIE and TESS characterization of fourteen TESS Objects of Interest: nine planetary systems and five low-mass stellar companions2610.08584v1 · N. Heidari, G. H'ebrard, S. Sousa et al.2026 · 0 citationsarXiv
Constraining the orbit of the retrograde planet in the Octantis system2609.06885v1 · Alan Cefali Signor, Alexandre C.M. Correia, Maria Helena Moreira Morais et al.2026 · 0 citationsarXiv
A Catalog of Homogeneously Derived Stellar Parameters for Spectroscopic Survey Stars2608.17734v1 · Stefan Y. Stefanov, Evelina Zaharieva, Djemma Ruseva et al.2026 · 0 citationsPublications of the Astronomical Society of the Pacific, 138:084201 (11pp), 2026 August
Dynamical analysis of the 5:1 mean-motion resonance of the HD 202206 system2607.04396v2 · Yingyi Cao, Man Hoi Lee, Sabine Reffert et al.2026 · 0 citationsarXiv
ASTEP confirmation of a pair of long-period Jupiter-sized planets with extremely low densities transiting TOI-7912606.30016v1 · Georgina Dransfield, Antoine C. Petit, Amaury H.M.J. Triaud et al.2026 · 1 citationMonthly Notices of the Royal Astronomical Society, Volume 549, Issue 4, July 2026, stag864
A distant brown dwarf coplanar to a warm Jupiter and a hot super-Earth.42310114 · Jones, Matías I, Naponiello, Luca, Trifonov, Trifon et al.2026 · 1 citationNature. 2026;654(8119):614-618
A Warm Massive Pair of Planets around TOI-1232 Revealed with Transit-timing Variations and Doppler Spectroscopy2603.18395v1 · Deyan P. Mihaylov, Jan Eberhardt, Trifon Trifonov et al.2026 · 0 citationsDeyan P. Mihaylov et al 2026 AJ 171 173
Long-period magnetic activity in the K dwarf GJ 1137 and a new super-Earth on a 9-day orbit2603.04919v1 · Denitza Stoeva, Atanas K. Stefanov, Stefan Y. Stefanov et al.2026 · 0 citationsarXiv
Two warm sub-Saturn mass planets identified from the TESS Full Frame Images2602.16646v1 · Felipe I. Rojas, Rafael Brahm, Andr'es Jord'an et al.2026 · 0 citationsarXiv
TIC65910228b: A single-transit discovery of a massive long-period warm Jupiter with TESS2602.13125v1 · Felipe I. Rojas, Rafael Brahm, Mat'ias I. Jones et al.2026 · 0 citationsarXiv
Unraveling the Brown Dwarf Desert: Four New Discoveries and a Unifying, Period-Coded Picture2602.02836v1 · J'an Subjak, Rafael Brahm, Jozef Lipt'ak et al.2026 · 1 citationA&A 709, A130 (2026)
TOI-6692b: An eccentric 130 day period giant planet with a single transit from TESS2601.16357v1 · Allyson Bieryla, Karen A. Collins, George Zhou et al.2026 · 0 citationsarXiv
A Compact Multi-Planet System of Three Transiting Giant Planets Around TIC1187980352510.19162v1 · Rafael Brahm, Trifon Trifonov, Andr'es Jord'an et al.2025 · 2 citationsarXiv
A transiting hot Jupiter with two outer siblings orbiting an intermediate-mass post main-sequence star2509.26430v1 · Y. Reinarz, M. I. Jones, R. Brahm et al.2025 · 0 citationsarXiv
A Cold and Super-Puffy Planet on a Prograde Orbit2510.00102v3 · Juan I. Espinoza-Retamal, Rafael Brahm, Cristobal Petrovich et al.2025 · 2 citationsarXiv
Detection and characterisation of a 106-day transiting Jupiter : TOI-2449 b / NGTS-36 b2509.15424v1 · S. Ulmer-Moll, S. Gill, R. Brahm et al.2025 · 3 citationsA&A 703, A258 (2025)
Direct Imaging Explorations for Companions from the Subaru/IRD Strategic Program II; Discovery of a Brown-dwarf Companion around a Nearby mid-M~dwarf LSPM~J1446+46332509.13587v1 · Taichi Uyama, Masayuki Kuzuhara, Charles Beichman et al.2025 · 0 citationsarXiv
An updated catalog of HIRES/Keck radial velocity measurements. Including Ca II H&K measurements2509.06072v1 · Jerusalem T. Teklu, Volker Perdelwitz, R. Paul Butler et al.2025 · 0 citationsarXiv
Discovery of a transiting hot water-world candidate orbiting Ross 176 with TESS and CARMENES2507.15763v1 · S. Gerald'ia-Gonz'alez, J. Orell-Miquel, E. Pall'e et al.2025 · 1 citationarXiv
The mass of the exo-Venus Gliese 12 b, as revealed by HARPS-N, ESPRESSO, and CARMENES2506.20564v2 · Daisy A. Turner, Yoshi Nike Emilia Eschen, Felipe Murgas et al.2025 · 5 citationsarXiv
A retrograde planet in a tight binary star system with a white dwarf.40399630 · Cheng, Ho Wan, Trifonov, Trifon, Lee, Man Hoi et al.2025 · 3 citationsNature. 2025;641(8064):866-870
Precise radial velocities of giant stars -- XVII. Distinguishing planets from intrinsically induced radial velocity signals in evolved stars2504.09087v1 · Dane Spaeth, Sabine Reffert, Trifon Trifonov et al.2025 · 3 citationsarXiv
The CARMENES search for exoplanets around M dwarfs. Occurrence rates of Earth-like planets around very low-mass stars2504.03364v2 · A. Kaminski, S. Sabotta, J. Kemmer et al.2025 · 7 citationsarXiv
NGTS-EB-7, an eccentric, long-period, low-mass eclipsing binary2501.04523v3 · Toby Rodel, Christopher. A. Watson, Solene Ulmer-Moll et al.2025 · 5 citationsarXiv
Characterization of seven transiting systems including four warm Jupiters from SOPHIE and TESS2412.08527v1 · N. Heidari, G. H'ebrard, E. Martioli et al.2024 · 12 citationsA&A 694, A36 (2025)
TOI-4504: Exceptionally large Transit Timing Variations induced by two resonant warm gas giants in a three planet system2412.05609v1 · Michaela V'itkov'a, Rafael Brahm, Trifon Trifonov et al.2024 · 11 citationsarXiv
Three Warm Jupiters orbiting TOI-6628, TOI-3837, TOI-5027 and one sub-Saturn orbiting TOI-23282412.02069v1 · Marcelo Tala Pinto, Andr'es Jord'an, Lorena Acuna et al.2024 · 9 citationsA&A 694, A268 (2025)
Discovery and Characterization of an Eccentric, Warm Saturn Transiting the Solar Analog TOI-49942412.02769v1 · Romy Rodriguez Martinez, Jason D. Eastman, Karen Collins et al.2024 · 3 citationsarXiv
Radial velocity technique2410.11424v1 · Trifon Trifonov2024 · 0 citationsarXiv
TESS Giants Transiting Giants. VII. A Hot Saturn Orbiting an Oscillating Red Giant Star2410.11037v1 · Nicholas Saunders, Samuel K. Grunblatt, Daniel Huber et al.2024 · 5 citationsarXiv
Mass determination of two Jupiter-sized planets orbiting slightly evolved stars: TOI-2420 b and TOI-2485 b2408.05612v1 · Ilaria Carleo, Oscar Barr'agan, Carina M. Persson et al.2024 · 2 citationsarXiv
TOI-2490b- The most eccentric brown dwarf transiting in the brown dwarf desert2408.04475v1 · Beth A. Henderson, Sarah L. Casewell, Andr'es Jord'an et al.2024 · 15 citationsarXiv
The CARMENES search for exoplanets around M dwarfs. Revisiting the GJ 581 multi-planetary system with new Doppler measurements from CARMENES, HARPS, and HIRES2407.11520v1 · A. von Stauffenberg, T. Trifonov, A. Quirrenbach et al.2024 · 10 citationsarXiv
TOI-2447 b / NGTS-29 b: a 69-day Saturn around a Solar analogue2405.07367v1 · Samuel Gill, Daniel Bayliss, Solene Ulmer-Moll et al.2024 · 3 citationsarXiv
Three Warm Jupiters around Solar-analog stars detected with TESS2402.17592v1 · Jan Eberhardt, Melissa J. Hobson, Thomas Henning et al.2024 · 14 citationsThe Astronomical Journal, Volume 166, 2023, 20 pp
A long-period transiting substellar companion in the super-Jupiters to brown dwarfs mass regime and a prototypical warm-Jupiter detected by TESS2401.09657v1 · Matias I. Jones, Yared Reinarz, Rafael Brahm et al.2024 · 16 citationsarXiv
The EBLM Project XII. An eccentric, long-period eclipsing binary with a companion near the hydrogen-burning limit2312.09156v2 · Yasmin T. Davis, Amaury H.M.J. Triaud, Alix V. Freckelton et al.2023 · 11 citationsarXiv
Analysis of the public HARPS/ESO spectroscopic archive -- Ca II H&K time series for the HARPS radial velocity database2311.12438v2 · V. Perdelwitz, T. Trifonov, J. T. Teklu et al.2023 · 0 citationsarXiv
TOI-199 b: A well-characterized 100-day transiting warm giant planet with TTVs seen from Antarctica2309.14915v1 · Melissa J. Hobson, Trifon Trifonov, Thomas Henning et al.2023 · 23 citationsarXiv
Three long period transiting giant planets from TESS2304.02139v1 · Rafael Brahm, Solene Ulmer-Moll, Melissa J. Hobson et al.2023 · 23 citationsarXiv
The CARMENES search for exoplanets around M dwarfs. Guaranteed time observations Data Release 1 (2016-2020)2302.10528v2 · I. Ribas, A. Reiners, M. Zechmeister et al.2023 · 97 citationsarXiv
A 2:1 Mean-Motion Resonance Super-Jovian pair revealed by TESS, FEROS, and HARPS2302.10838v2 · Vladimir Bozhilov, Desislava Antonova, Melissa J. Hobson et al.2023 · 15 citationsApJL 946 L36 (2023)
TOI-2525 b and c: A pair of massive warm giant planets with a strong transit timing variations revealed by TESS2302.05694v1 · Trifon Trifonov, Rafael Brahm, Andres Jordan et al.2023 · 32 citationsarXiv
GJ 806 (TOI-4481): A bright nearby multi-planetary system with a transiting hot, low-density super-Earth2301.06873v1 · E. Palle, J. Orell-Miquel, M. Brady et al.2023 · 18 citationsA&A 678, A80 (2023)
The CARMENES search for exoplanets around M dwarfs, Wolf 1069 b: Earth-mass planet in the habitable zone of a nearby, very low-mass star2301.02477v2 · D. Kossakowski, M. Kurster, T. Trifonov et al.2023 · 33 citationsA&A 670, A84 (2023)
Radial Velocity Survey for Planets around Young stars (RVSPY) A transiting warm super-Jovian planet around HD 114082, a young star with a debris disk2211.08294v1 · O. Zakhozhay, R. Launhardt, T. Trifonov et al.2022 · 21 citationsA&A 667, L14 (2022)
TESS spots a mini-neptune interior to a hot saturn in the TOI-2000 system2209.14396v3 · Lizhou Sha, Andrew M. Vanderburg, Chelsea X. Huang et al.2022 · 29 citationsarXiv
The CARMENES search for exoplanets around M dwarfs: Stable radial-velocity variations at the rotation period of AD~Leonis -- A test case study of current limitations to treating stellar activity2209.05814v1 · D. Kossakowski, M. Kurster, Th. Henning et al.2022 · 36 citationsA&A 666, A143 (2022)
RVSPY -- Radial Velocity Survey for Planets around Young Stars. Target characterization and high-cadence survey2209.01125v1 · O. Zakhozhay, R. Launhardt, A. Mueller et al.2022 · 18 citationsA&A 667, A63 (2022)
Two long-period transiting exoplanets on eccentric orbits: NGTS-20 b (TOI-5152 b) and TOI-5153 b2207.03911v1 · S. Ulmer-Moll, M. Lendl, S. Gill et al.2022 · 29 citationsA&A 666, A46 (2022)
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