RNDr. Jan Janík, Ph.D.

2026

• A distant brown dwarf coplanar to a warm Jupiter and a hot super-Earth

  JONES Matias I. NAPONIELLO Luca TRIFONOV Trifon BRAHM Rafael PICHIERRI Gabriele ACUNA-AGUIRRE Lorena DE ROSA Robert J. TALA PINTO Marcelo BONOMO Aldo S. MANCINI Luigi SOZZETTI Alessandro REINARZ Yared MORBIDELLI Alessandro ESPINOZA Nestor ROSOTTI Giovanni NIELSEN Eric L. STEFANOV Stefan Y. HENNING Thomas JORDAN Andres EBERHARDT Jan HATZES Artie VANZI Leonardo JANÍK Jan KABATH Petr

  Peer-reviewed scientific article

  NATURE, year: 2026, volume: 654, edition: 8119, DOI

• Flares and superflares on the southern active binary CC Eri

  LEITZINGER M. ODERT P. GREIMEL R. KABATH P. LIPTAK J. GUENTHER E. W. HEINZEL P. GAJDOS P. ORNIK M. WOLLMANN J. SKARKA M. SRBA J. SKODA P. FRYDA J. BRAHM R. VANZI L. JANÍK Jan PINTR P.

  Peer-reviewed scientific article

  MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, year: 2026, volume: 545, edition: 4, DOI

• Hidden massive eclipsing binaries in red supergiant systems: The hierarchical triple system KQ Puppis and other candidates

  JADLOVSKÝ Daniel MOLNAR L. ERCOLINO A. BERNINI-PERON M. MERAND A. KRTIČKA Jiří WANG L. ADAM R. Z. BAADE D. BAYO A. GONZALEZ-TORA G. GRANZER T. HENRY G. W. JANÍK Jan KOLÁŘ Jakub KRAVCHENKO K. LANGER N. OSKINOVA L. M. PAULI D. RAMACHANDRAN V. RUBIO A. C. SANDER A. A. C. STRASSMEIER K. G. WEBER M. WITTKOWSKI M. BRAHM R. SCHAFFENROTH V. VANZI L. SKARKA M.

  Peer-reviewed scientific article

  ASTRONOMY & ASTROPHYSICS, year: 2026, volume: 712, edition: August, DOI

• PLATOSpec first results: Three new transiting warm Jupiters from the WINE survey, TIC 147027702, TIC 245076932, and TIC 87422071

  GAJDOS Pavol BRAHM Rafael ACUNA-AGUIRRE Lorena JONES Matias I. SALINAS Helem LIPTAK Jozef JORDAN Andres HENNING Thomas SRBA Jiri ZD'ARSKA Eva BALKOOVA Zuzana VÍTKOVÁ Michaela JANÍK Jan SKODA Petr ZAK Jiri MEKARNIA Djamel SUAREZ Olga ABE Lyu BELTRAME Matteo TRIAUD Amaury H. M. J. GUILLOT Tristan COLLINS Karen A. BARKAOUI Khalid BOYLE Gavin SUC Vincent ANTONUCCI Luca PINTO Marcelo Tala VOSTRETCOVA Elizaveta EBERHARDT Jan ESPINOZA Nestor MIRELES Ismael PINTR Pavel ROJAS Felipe I. SCHAFFENROTH Veronika VANZI Leo KABATH Petr

  Peer-reviewed scientific article

  ASTRONOMY & ASTROPHYSICS, year: 2026, volume: 708, edition: April, DOI

• PLATOSpec: a precise spectrograph in support of space missions

  KABATH P. SKARKA M. HATZES A. GUENTHER E. VANZI L. BRAHM R. JANÍK Jan PINTR P. GAJDOS P. LIPTAK J. ZAK J. BOFFIN H. M. J. ANTONUCCI L. AVILA G. BALKOOVA Z. BALL M. E. FLORES M. FUENTES A. FUCHS J. GREIMEL R. GAJARDO A. IVANOV V. D. KOHLER J. LEITZINGER M. LUDWIG M. R. MORAVCIK T. NECASEK J. NEUBERT R. J. U. ODERT P. OLGUIN G. PINTO M. Tala ROTH M. REZBA L. SCHAFFENROTH V. SIGWARTH M. SRBA J. SUAREZ A. SKODA P. SUBJAK J. VACLAVIK J. VESELY M. VESELY R. VÍTKOVÁ Michaela WINKLER J. U. ZUMMER M. ZDARSKA E.

  Peer-reviewed scientific article

  MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, year: 2026, volume: 545, edition: 1, DOI

• Study of doubly eclipsing quadruples – I. Methodology and results for 10 Northern sky systems

  KOLÁŘ Jakub PAČKOVÁ Sabina RICHTERKOVÁ Anna ZEJDA Miloslav AUER Reinhold Friedrich DŘEVĚNÝ Radek JANÍK Jan MAŠEK Martin MERLE Thibault OHLÍDAL Prokop PRIBULLA Theodor UHLÁR Milan VIEWEGH Petr VYSKOČIL Jakub

  Peer-reviewed scientific article

  Monthly Notices of the Royal Astronomical Society, year: 2026, volume: 547, edition: 4, DOI

• Traversing the Galactic Centre in space and time

  ZAJAČEK Michal CZERNY Bozena MONDEK Martin MITRA Samik LABAJ Matúš ONDRO Tomas JANÍK Jan DUSEK Jiri

  Article in Periodical (without peer review)

  Year: 2026, type: Article in Periodical (without peer review), DOI

• Unraveling the brown dwarf desert: Four new discoveries and a unifying period-coded picture

  SUBJAK Jan BRAHM Rafael LIPTAK Jozef EBERHARDT Jan TALA PINTO Marcelo CASEWELL Sarah L. HENNING Thomas HESSE Katharine TRIFONOV Trifon JORDAN Andres ROJAS Felipe I. VÍTKOVÁ Michaela SALINAS Helem BOYLE Gavin SUC Vincent ANTONUCCI Luca BERNACKI Krzysztof BRICENO Cesar COLLINS Karen A. FERNANDEZ FERNANDEZ Jorge GILL Samuel JANÍK Jan LAW Nicholas MANN Andrew W. MCCORMAC James POPOWICZ Adam SEBASTIAN Daniel SKARKA Marek VACLAVIK Jan VANZI Leonardo WEST Richard G. WILKIN Francis P. ZIEGLER Carl

  Peer-reviewed scientific article

  ASTRONOMY & ASTROPHYSICS, year: 2026, volume: 709, edition: May, DOI

2025

• PLATOSpec's first results: Planets WASP-35b and TOI-622b are on aligned orbits, and K2-237b is on a polar orbit

  ZAK J. KABATH P. BOFFIN H. M. J. LIPTAK J. SKARKA M. BRAHM R. GAJDOS P. BOCCHIERI A. ITRICH D. VANZI L. PINTR P. JANÍK Jan HATZES A.

  Peer-reviewed scientific article

  ASTRONOMY & ASTROPHYSICS, year: 2025, volume: 702, edition: October, DOI

• Spectroscopic observations of flares and superflares on AU Mic

  ODERT P. LEITZINGER M. GREIMEL R. KABÁTH Petr LIPTAK J. HEINZEL Petr KARJALAINEN R. WOLLMANN J. GUENTHER E. W. SKARKA Marek SRBA J. ŠKODA Petr FRYDA J. BRAHM R. VANZI L. JANÍK Jan

  Peer-reviewed scientific article

  Monthly Notices of the Royal Astronomical Society, year: 2025, volume: 537, edition: 1, DOI