Planet-finding near infrared spectrograph deployed on the 10 m Hobby Eberly Telescope in 2017-18.
Penn State University
Joined November 2014
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We have discovered a super-Earth in the Habitable Zone of a very nearby star, GJ 251. The system is close enough to us that it could potentially be imaged by upcoming 30-meter telescopes. Study led by HPF team member Corey Beard hpf.psu.edu/2025/10/23/gj251…
This was a huge collaborative effort, including partnership with HPF's sister spectrograph, @NEID_at_WIYN. Key participants include @mcdonaldobs @NOIRLabAstro @SuvrathM @gummiks @LubysLemmas
Exciting new HPF result led by @gummiks: radial velocities confirm the first astrometric exoplanet discoveries from Gaia! Post on the HPF blog: sites.psu.edu/hzpf/2025/02/0…
⚠️New paper!⚠️ We have discovered a planet, Gaia-4b, and a brown dwarf, Gaia-5b, using the @ESAGaia spacecraft. Gaia-4b is Gaia's first planet detected with astrometry alone and represents the tip-of-the-iceberg of the 100s-1000s of planets that Gaia is expected to detect.
Big announcement on the HPF blog: our HPF exoplanet survey has discovered a Neptune-mass exoplanet on a close-in orbit around a very low-mass star. This planet challenges our understanding of planet formation around low-mass stars: sites.psu.edu/hzpf/2023/11/3…
Our paper describing the discovery appears in Science today, and was led by @gummiks. h/t to @mcdonaldobs
Congratulations to HPF PI @SuvrathM on being named Verne M. Willaman Professor of Astronomy and Astrophysics!
Congratulations to #PennState researcher Suvrath Mahadevan on being named Verne M. Willaman Professor of Astronomy and Astrophysics! buff.ly/3tr3tzf @SuvrathM
Is a Neptune Desert still a desert if it's not as hot? Not according to this new HPF result! Check out the new blog post. Work led by HPF team members Luke Powers and Jessica Libby-Roberts. sites.psu.edu/hzpf/2023/07/1…
Newon the HPF blog: some history--and a new exoplanet discovery--from the original @mcdonaldobs M dwarf planet search. Data from @keckobservatory helped confirm the orbit, and astrometry gives a *true mass* for the planet! sites.psu.edu/hzpf/2023/06/1…
New science on the HPF blog: check out how a transiting planet helps us study massive polar starspots on TOI-3884! Post and research led by Jessica Libby-Roberts hpf.psu.edu/2023/05/16/the-u…
HPF retweeted
Joint gathering of the NEID and @HPFspectrograph teams at #EPRV5. Exciting to have such a talented and growing team!
Can a planet be too big to exist? Maybe not, but it can certainly be too big for planet formation theories to readily explain! Check out the new result from HPF at @mcdonaldobs and @NASA_TESS, led by @shubhamkanodia.
carnegiescience.edu/forbidde…
Read more details at the HPF blog! hpf.psu.edu/2023/02/20/toi-5…
HPF and NEID joined forces to characterize the exo-Venus GJ 3929b and its companion planet! Check out the story from Corey Beard at the NEID blog. @mcdonaldobs
Exciting new science on the NEID blog: characterizing an exo-Venus discovered by TESS. Blog post and paper led by Corey Beard. sites.psu.edu/neid/2022/12/1… @NOIRLabAstro @KittPeakNatObs @WIYNObservatory
New on the #HPF blog: HPF characterizes a potential "cold Haber world". What is a cold Haber world, and why might it be habitable? Read on! Blog post+paper led by HPF science team member and @UCIPhysAstro student Corey Beard. tinyurl.com/yc58dr4t @mcdonaldobs @SuvrathM
HPF retweeted
Congratulations to Shubham Kanodia and Caleb Cañas on their successful Ph.D defenses this week! @HPFspectrograph @NEID_at_WIYN @AstroPSU @shubhamkanodia
HPF studies really small stars all the time, but how about really small planets orbiting really close to those really small stars? New result from Caleb Cañas and the team: science.psu.edu/news/mars-si…
New science from HPF: @shubhamkanodia presents evidence for coronal rain on the ultra-cool star vB 10!
hpf.psu.edu/2021/11/25/does-…
@PSUScience press release here: psu.edu/news/eberly-college-…
HPF retweeted
Congratulations to @gummiks on receiving the Trumpler award for his PhD Thesis!
science.psu.edu/news/graduat…
@NEID_at_WIYN @HPFspectrograph @PSU_CEHW @PSU_CEHW @AstrobiologyPsu @WIYNObservatory @mcdonaldobs @PSUScience
Congratulations to @gummiks on winning the 2020 Robert J. Trumpler Award for his PhD dissertation, "Extreme Precision Photometry and Radial Velocimetry from the Ground"!
astrosociety.org/who-we-are/…
New on the HPF blog: using helium absorption to probe planetary atmospheres in the young V1298 Tau system. Not every day your target star flares in the middle of a planetary transit! Full details from @gummiks hpf.psu.edu/2021/08/13/a-sea…
