Staring at the sun: Using disc-integrated solar spectra to model stellar activity for exoplanet detection 1 month ago Be among the first 25 applicants Organization National Aeronautics and Space Administration (NASA) Organization National Aeronautics and Space Administration (NASA) Reference Code 0269-NPP-NOV25-JPL-Astrophys How To Apply All applications must be submitted in Zintellect Please visit the NASA Postdoctoral Program website for application instructions and requirements: How to Apply | NASA Postdoctoral Program (orau.org) A complete application to the NASA Postdoctoral Program includes: Research proposal Three letters of recommendation Official doctoral transcript documents Application Deadline 11/1/2025 6:00:59 PM Eastern Time Zone Description About the NASA Postdoctoral Program The NASA Postdoctoral Program (NPP) offers unique research opportunities to highly-talented scientists to engage in ongoing NASA research projects at a NASA Center, NASA Headquarters, or at a NASA-affiliated research institute. These one- to three-year fellowships are competitive and are designed to advance NASA’s missions in space science, Earth science, aeronautics, space operations, exploration systems, and astrobiology. Description: Our group uses high resolution ground-based optical and near-infrared solar spectra to diagnose and model different manifestations of stellar activity. Nearby sun-like stars are a crucial sample of targets for future NASA flagship direct imaging missions, as these are the prime candidates for directly imaging exo-Earths. Surveying these stars with ground-based extremely precise radial velocity (ERPV) measurements is critical in this pursuit, as EPRVs provide the necessary planet masses and detections to support future imaging missions such as the Habitable-Worlds Observatory (HWO). However, detection of a true Earth analog via Doppler EPRV measurements is currently beyond our reach, buried beneath a wealth of systematic stellar noise, Earth's atmosphere, and instrumental limits. This project focuses on using solar spectra from a variety of EPRV instruments to better understand the connection between physical processes in the solar photosphere and the high resolution EPRV spectra at a variety of timescales (daily to yearly). The data to be analyzed will be from a combination of facilities, including the the Keck Planet Finder (KPF), PARVI, and NEID instruments, each of which has (or will soon have) a dedicated solar feed that delivers hundreds of daily disc-integrated spectra to the instrument. The successful applicant will work closely with a team of field-leading exoplanet detection experts to analyze high resolution spectroscopic data of the Sun from a variety of ground-based optical and near-infrared facilities. The research will focus on leveraging a library of high-resolution spectra of the Sun to derive and test different spectroscopic measurement metrics and techniques aimed at identifying stellar activity signals in radial velocity time series. Field of Science: Astrophysics Advisors: Samuel Halverson samuel.halverson@jpl.nasa.gov (650) 392-5909 Applications with citizens from Designated Countries will not be accepted at this time, unless they are Legal Permanent Residents of the United States. A complete list of Designated Countries can be found at: Eligibility is currently open to: U.S. Citizens; U.S. Lawful Permanent Residents (LPR); Foreign Nationals eligible for an Exchange Visitor J-1 visa status; and, Applicants for LPR, asylees, or refugees in the U.S. at the time of application with 1) a valid EAD card and 2) I-485 or I-589 forms in pending status Questions about this opportunity? Please email npp@orau.org Point of Contact Mikeala Eligibility Requirements Degree: Doctoral Degree. Seniority level Seniority level Internship Employment type Employment type Full-time Job function Job function Other Industries Government Administration Referrals increase your chances of interviewing at ORAU by 2x Get notified about new Staring at the sun: Using disc-integrated solar spectra to model stellar activity for exoplanet detection jobs in Pasadena, CA . Pathway Home Time Limited Subsidy Navigator Part-Time Math Teaching Assistant (Grades K-6) Los Angeles, CA $85,000 - $110,000 2 weeks ago City of Industry, CA $26.10 - $50 2 weeks ago Upper School Varsity Basketball Head Coach Flex Male Model - Culver City Photo Studio We’re unlocking community knowledge in a new way. Experts add insights directly into each article, started with the help of AI. #J-18808-Ljbffr ORAU
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