3 papers
astro-ph.SR2026
Joint Observations of PTPS Targets (JOTA). Combined spectroscopic and photometric analysis of 16 SB1 systems
Robert Jaros, Andrzje Niedzielski, Sohaib Ali +9
Context. The Pennsylvania-Toruń Planet Search, which operates on a sample of 1000 northern-hemisphere stars, has been underway since 2004. Stars with radial velocity (RV) amp…
astro-ph.SR2025
Planetary-mass companions to a retired B star BD+37 3172 and a retired F star BD+42 2315
Andrzej Niedzielski, Robert Jaros, Artur Paczuski +5
Radial velocity searches may lead to detection of exoplanets at large orbital separations only if long-enough time-series of data are available. Therefore publication of precise me…
astro-ph.SR2025
Low-mass companions to nine stars
Andrzej Niedzielski, Robert Jaros, Divyansh Srivastava +5
We present an independent spectroscopic and radial velocity analysis for nine stars from the Pennsylvania-Toruń Planet Search. For BD+24 4697, we present an updated true companion'…