activity
20062026
most citedExoClock project II: A large-scale integrated study with 180 updated exoplanet ephemerides

56 citations · 77 across the 7 of their papers we have counts for

collaborators

7 papers

astro-ph.IM2026

The Tartu Observatory Fiber-fed Echelle Spectrograph (TOFES) Data Reduction Pipeline

Sandipan P. D. Borthakur, Tõnis Eenmäe, Nikolai Piskunov +9

We introduce the data reduction pipeline for the Tartu Observatory Fiber-fed Echelle Spectrograph (TOFES). TOFES is installed in the Coudé room and will be connected to the 1.5 m T…

astro-ph.SR2025★ 1 cited

Photometric and spectroscopic variability of the blue supergiant rho Leo

V. A. Checha, A. Aret, I. Kolka +12

Context. The post-main-sequence evolution of massive stars remains poorly understood, particularly for blue supergiants. These objects play a crucial role in the dynamical and chem…

astro-ph.SR2025

Atmospheric dynamics of the hypergiant RW Cep during the Great Dimming

A. Kasikov, I. Kolka, A. Aret +5

The hypergiant RW Cep is one of the largest stars in our galaxy. The evolution and mass loss of such stars has profound effects on their surrounding regions and the galaxy as a who…

astro-ph.SR2023★ 2 cited

New Insight into the FS CMa System MWC 645 from Near-Infrared and Optical Spectroscopy

Andrea F. Torres, María L. Arias, Michaela Kraus +2

The B[e] phenomenon is manifested by a heterogeneous group of stars surrounded by gaseous and dusty circumstellar envelopes with similar physical conditions. Among these stars, the…

astro-ph.EP2021★ 56 cited

ExoClock project II: A large-scale integrated study with 180 updated exoplanet ephemerides

A. Kokori, A. Tsiaras, B. Edwards +102

The ExoClock project is an inclusive, integrated, and interactive platform that was developed to monitor the ephemerides of the Ariel targets to increase the mission efficiency. Th…

astro-ph.SR2018★ 14 cited

A new outburst of the yellow hypergiant star Rho Cas

Michaela Kraus, Indrek Kolka, Anna Aret +5

Yellow hypergiants are evolved massive stars that were suggested to be in post-red supergiant stage. Post-red supergiants that evolve back to the blue, hot side of the Hertzsprung-…

astro-ph2006★ 4 cited

Estimation of time delays from unresolved photometry

A. Hirv, T. Eenmäe, T. Liimets +2

Longtime monitoring of gravitational lens systems is often done using telescopes and recording equipment with modest resolution. Still, it would be interesting to get as much infor…