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<p class="MsoNormal" align="center" style="mso-margin-top-alt:0in;margin-right:5.65pt;margin-bottom:0in;margin-left:5.0pt;margin-bottom:.0001pt;text-align:center">
<a name="_Hlk132007790"><b><span style="font-size:14.0pt">Postdoctoral Position in Time-Series Astronomy with the NASA TESS Mission Data<o:p></o:p></span></b></a></p>
<p class="MsoBodyText" style="mso-margin-top-alt:0in;margin-right:5.65pt;margin-bottom:0in;margin-left:0in;margin-bottom:.0001pt">
<span style="mso-bookmark:_Hlk132007790"><span style="font-size:12.0pt;font-family:"Calibri",sans-serif"><o:p> </o:p></span></span></p>
<p class="MsoBodyText" style="mso-margin-top-alt:0in;margin-right:5.65pt;margin-bottom:0in;margin-left:0in;margin-bottom:.0001pt">
<span style="mso-bookmark:_Hlk132007790"><span style="font-size:12.0pt;font-family:"Calibri",sans-serif">Applications are now being accepted for one or more Postdoctoral Research Associates in the analysis of time-series astronomy data from the NASA TESS mission,
based at NASA’s Goddard Space Flight Center (GSFC) in Greenbelt MD. The position consists of a postdoctoral appointment in the University of Maryland, Baltimore County’s (UMBC) Center for Space Sciences and Technology (</span></span><a href="https://csst.umbc.edu/"><span style="mso-bookmark:_Hlk132007790"><span style="font-size:12.0pt;font-family:"Calibri",sans-serif">CSST</span></span><span style="mso-bookmark:_Hlk132007790"></span></a><span style="mso-bookmark:_Hlk132007790"><span style="font-size:12.0pt;font-family:"Calibri",sans-serif">),
funded by NASA through the Center for Research and Exploration in Space Science and Technology II (</span></span><a href="https://cresst2.umd.edu/"><span style="mso-bookmark:_Hlk132007790"><span style="font-size:12.0pt;font-family:"Calibri",sans-serif">CRESST
II</span></span><span style="mso-bookmark:_Hlk132007790"></span></a><span style="mso-bookmark:_Hlk132007790"><span style="font-size:12.0pt;font-family:"Calibri",sans-serif">).<b><o:p></o:p></b></span></span></p>
<p class="MsoBodyText" style="margin-left:0in"><span style="mso-bookmark:_Hlk132007790"><b><span style="font-size:12.0pt;font-family:"Calibri",sans-serif"><o:p> </o:p></span></b></span></p>
<p class="Default"><span style="mso-bookmark:_Hlk132007790"><span style="font-family:"Calibri",sans-serif">The successful applicant(s) will work with
<span style="letter-spacing:-.25pt">Dr. </span>Christina Hedges to extract time-series flux data from
<span style="letter-spacing:-.2pt">NASA’s </span>TESS mission on solar system objects.
<span style="letter-spacing:-.2pt">NASA’s </span>TESS mission is a <span style="letter-spacing:-.2pt">
survey, </span>observing large portions of the sky each month at high cadence. TESS data includes “Full Frame Images” (FFIs) that each cover approximately 12 square degrees on the
<span style="letter-spacing:-.25pt">sky. </span>This dataset is valuable for searching for time-domain astronomical phenomena such as transiting exoplanets, stellar flares, and supernovae.
<span style="letter-spacing:-.15pt">T</span>hese surveys also observe bright solar system objects in these FFIs which provides a unique window into solar system objects with long baseline, uninterrupted
<span style="letter-spacing:-.15pt">photometry. However, </span>they are challenging to extract due to their motion, and TESS noise. The successful applicant(s) will work to build on and improve existing methods and Python tools to extract solar system objects
from the TESS data and produce and analyze a dataset of the time-series<span style="letter-spacing:-.3pt">
</span><span style="letter-spacing:-.15pt">photometry.</span> <o:p></o:p></span></span></p>
<p class="Default"><span style="mso-bookmark:_Hlk132007790"><span style="font-family:"Calibri",sans-serif"><o:p> </o:p></span></span></p>
<p class="Default"><span style="mso-bookmark:_Hlk132007790"><span style="font-family:"Calibri",sans-serif">GSFC is a v</span></span><span style="mso-bookmark:_Hlk132007790"><span style="font-family:"Calibri",sans-serif">ibrant community of over
</span></span><span style="mso-bookmark:_Hlk132007790"><span style="font-family:"Calibri",sans-serif">100 Ph.D. astronomers and encourages part</span></span><span style="mso-bookmark:_Hlk132007790"><span style="font-family:"Calibri",sans-serif">icipation and
collaboration. The successful candidates will have</span></span><span style="mso-bookmark:_Hlk132007790"><span style="font-family:"Calibri",sans-serif"> at least 20%-time to pursue independent research. All duties related to the TESS Mission and independent
research are fully funded through this position.<o:p></o:p></span></span></p>
<p class="MsoBodyText" style="mso-margin-top-alt:0in;margin-right:15.05pt;margin-bottom:0in;margin-left:0in;margin-bottom:.0001pt">
<span style="mso-bookmark:_Hlk132007790"><span style="font-size:12.0pt;font-family:"Calibri",sans-serif"><o:p> </o:p></span></span></p>
<p class="MsoBodyText" style="mso-margin-top-alt:0in;margin-right:15.05pt;margin-bottom:0in;margin-left:0in;margin-bottom:.0001pt">
<span style="mso-bookmark:_Hlk132007790"><span style="font-size:12.0pt;font-family:"Calibri",sans-serif">Candidates for the position must have a Ph.D. in
<span style="letter-spacing:-.15pt">astronomy, </span>astrophysics, physics, computer science, data science or a related field by the date of the appointment. A qualified candidate would have experience in the<span style="letter-spacing:-.35pt">
</span>following:<o:p></o:p></span></span></p>
<p class="MsoListParagraph" style="mso-margin-top-alt:0in;margin-right:17.95pt;margin-bottom:0in;margin-left:41.0pt;margin-bottom:.0001pt;mso-list:l0 level1 lfo1">
<span style="mso-bookmark:_Hlk132007790"><![if !supportLists]><span style="letter-spacing:-.65pt"><span style="mso-list:Ignore">●<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span style="font-size:12.0pt;font-family:"Calibri",sans-serif">Working with time-series data from space-based observatories (e.g. NASA
<span style="letter-spacing:-.15pt">Kepler, </span>K2, TESS,<span style="letter-spacing:-.1pt">
</span>HST)<o:p></o:p></span></span></p>
<p class="MsoListParagraph" style="margin-top:0in;mso-list:l0 level1 lfo1"><span style="mso-bookmark:_Hlk132007790"><![if !supportLists]><span style="letter-spacing:-.65pt"><span style="mso-list:Ignore">●<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span style="font-size:12.0pt;font-family:"Calibri",sans-serif">Photometry<span style="letter-spacing:-.1pt">
</span>methods<o:p></o:p></span></span></p>
<p class="MsoListParagraph" style="margin-top:0in;mso-list:l0 level1 lfo1"><span style="mso-bookmark:_Hlk132007790"><![if !supportLists]><span style="letter-spacing:-.65pt"><span style="mso-list:Ignore">●<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span style="font-size:12.0pt;font-family:"Calibri",sans-serif">Statistical analyses of time-series<span style="letter-spacing:-.3pt">
</span>data<o:p></o:p></span></span></p>
<p class="MsoListParagraph" style="margin-top:0in;mso-list:l0 level1 lfo1"><span style="mso-bookmark:_Hlk132007790"><![if !supportLists]><span style="letter-spacing:-.65pt"><span style="mso-list:Ignore">●<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span style="font-size:12.0pt;font-family:"Calibri",sans-serif">Building and working with Python pipelines for working with astronomical<span style="letter-spacing:-1.45pt">
</span>data<o:p></o:p></span></span></p>
<p class="MsoListParagraph" style="margin-top:0in;mso-list:l0 level1 lfo1"><span style="mso-bookmark:_Hlk132007790"><![if !supportLists]><span style="letter-spacing:-.65pt"><span style="mso-list:Ignore">●<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span style="font-size:12.0pt;font-family:"Calibri",sans-serif;letter-spacing:-.15pt">Version
</span></span><span style="mso-bookmark:_Hlk132007790"><span style="font-size:12.0pt;font-family:"Calibri",sans-serif">controlling with<span style="letter-spacing:-.05pt">
</span>git/github<o:p></o:p></span></span></p>
<p class="MsoBodyText" style="margin-left:0in"><span style="mso-bookmark:_Hlk132007790"><span style="font-size:12.0pt;font-family:"Calibri",sans-serif"><o:p> </o:p></span></span></p>
<p class="MsoBodyText" style="margin-left:0in"><span style="mso-bookmark:_Hlk132007790"><span style="font-size:12.0pt;font-family:"Calibri",sans-serif">Additional expertise in any of the following is beneficial, but not required:<o:p></o:p></span></span></p>
<p class="MsoListParagraph" style="margin-top:0in;mso-list:l0 level1 lfo1"><span style="mso-bookmark:_Hlk132007790"><![if !supportLists]><span style="letter-spacing:-.65pt"><span style="mso-list:Ignore">●<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span style="font-size:12.0pt;font-family:"Calibri",sans-serif">Detrending time-series<span style="letter-spacing:-1.2pt">
</span>data<o:p></o:p></span></span></p>
<p class="MsoListParagraph" style="margin-top:0in;mso-list:l0 level1 lfo1"><span style="mso-bookmark:_Hlk132007790"><![if !supportLists]><span style="letter-spacing:-.65pt"><span style="mso-list:Ignore">●<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span style="font-size:12.0pt;font-family:"Calibri",sans-serif">Working with large<span style="letter-spacing:-1.35pt">
</span>datasets<o:p></o:p></span></span></p>
<p class="MsoListParagraph" style="margin-top:0in;mso-list:l0 level1 lfo1"><span style="mso-bookmark:_Hlk132007790"><![if !supportLists]><span style="letter-spacing:-.65pt"><span style="mso-list:Ignore">●<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span style="font-size:12.0pt;font-family:"Calibri",sans-serif">High performance<span style="letter-spacing:-.15pt">
</span>computing<o:p></o:p></span></span></p>
<p class="MsoListParagraph" style="margin-top:0in;mso-list:l0 level1 lfo1"><span style="mso-bookmark:_Hlk132007790"><![if !supportLists]><span style="letter-spacing:-.65pt"><span style="mso-list:Ignore">●<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span style="font-size:12.0pt;font-family:"Calibri",sans-serif">Working with bayesian modeling frameworks (such as<span style="letter-spacing:-.7pt">
</span>pymc3)<o:p></o:p></span></span></p>
<p class="MsoListParagraph" style="margin-top:0in;mso-list:l0 level1 lfo1"><span style="mso-bookmark:_Hlk132007790"><![if !supportLists]><span style="letter-spacing:-.65pt"><span style="mso-list:Ignore">●<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span style="font-size:12.0pt;font-family:"Calibri",sans-serif">Building hierarchical<span style="letter-spacing:-.15pt">
</span>models<o:p></o:p></span></span></p>
<p class="MsoListParagraph" style="margin-top:0in;mso-list:l0 level1 lfo1"><span style="mso-bookmark:_Hlk132007790"><![if !supportLists]><span style="letter-spacing:-.65pt"><span style="mso-list:Ignore">●<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span style="font-size:12.0pt;font-family:"Calibri",sans-serif">Python<span style="letter-spacing:-.1pt">
</span>packaging<o:p></o:p></span></span></p>
</div>
<span style="font-size:12.0pt;font-family:"Calibri",sans-serif;mso-fareast-language:EN-US"><br clear="all" style="page-break-before:always">
</span>
<div class="WordSection2">
<p class="MsoBodyText" style="mso-margin-top-alt:0in;margin-right:12.1pt;margin-bottom:0in;margin-left:5.95pt;margin-bottom:.0001pt">
<span style="mso-bookmark:_Hlk132007790"><span style="font-size:12.0pt;font-family:"Calibri",sans-serif">Candidates should send a cover letter, CV (including publication list), a 3-page statement of research interests, and contact information for three references
via email to Ms. Katherine McKee</span></span><a href="mailto:katherine.mckee@nasa.gov"><span style="mso-bookmark:_Hlk132007790"><span style="font-size:12.0pt;font-family:"Calibri",sans-serif;color:windowtext;text-decoration:none"> (</span></span><span style="mso-bookmark:_Hlk132007790"><span style="font-size:12.0pt;font-family:"Calibri",sans-serif;color:#0562C1">katherine.mckee@nasa.gov</span></span><span style="mso-bookmark:_Hlk132007790"><span style="font-size:12.0pt;font-family:"Calibri",sans-serif;color:blue;text-decoration:none">)</span></span><span style="mso-bookmark:_Hlk132007790"></span></a><span style="mso-bookmark:_Hlk132007790"><span style="font-size:12.0pt;font-family:"Calibri",sans-serif">.
Complete applications received by August 27, 2023, will receive full consideration, this position will otherwise remain open until filled.
<o:p></o:p></span></span></p>
<p class="MsoBodyText" style="mso-margin-top-alt:0in;margin-right:12.1pt;margin-bottom:0in;margin-left:5.95pt;margin-bottom:.0001pt">
<span style="mso-bookmark:_Hlk132007790"><span style="font-size:12.0pt;font-family:"Calibri",sans-serif"><o:p> </o:p></span></span></p>
<p class="MsoBodyText" style="mso-margin-top-alt:0in;margin-right:12.1pt;margin-bottom:0in;margin-left:5.95pt;margin-bottom:.0001pt">
<span style="mso-bookmark:_Hlk132007790"><span style="font-size:12.0pt;font-family:"Calibri",sans-serif">The nominal start date for this position is in Summer 2023, the exact date to be decided by mutual agreement. This position is funded for 2 years, with
the possibility of extension depending on the availability of funding. Flexible work from home options are available for this position. The successful candidate will be expected to be onsite at GSFC a minimum of 2 days a week, though they may work onsite up
to 5 days a week.<o:p></o:p></span></span></p>
<p class="MsoBodyText" style="margin-left:0in"><span style="mso-bookmark:_Hlk132007790"><span style="font-size:12.0pt;font-family:"Calibri",sans-serif"><o:p> </o:p></span></span></p>
<p class="MsoBodyText" style="margin-left:5.0pt"><span style="mso-bookmark:_Hlk132007790"><span style="font-size:12.0pt;font-family:"Calibri",sans-serif">Salary and benefits are competitive, commensurate with experience and qualifications. For more information
about the proposed research, contact Dr. Christina Hedges (</span></span><a href="mailto:christina.l.hedges@nasa.gov"><span style="mso-bookmark:_Hlk132007790"><span style="font-size:12.0pt;font-family:"Calibri",sans-serif">christina.l.hedges@nasa.gov</span></span><span style="mso-bookmark:_Hlk132007790"></span></a><span style="mso-bookmark:_Hlk132007790"><span style="font-size:12.0pt;font-family:"Calibri",sans-serif">).
For information about CRESST II or UMBC, contact Dr. Don Engel (</span></span><a href="mailto:donengel@umbc.edu"><span style="mso-bookmark:_Hlk132007790"><span style="font-size:12.0pt;font-family:"Calibri",sans-serif">donengel@umbc.edu</span></span><span style="mso-bookmark:_Hlk132007790"></span></a><span style="mso-bookmark:_Hlk132007790"><span style="font-size:12.0pt;font-family:"Calibri",sans-serif">).
Vaccination is strongly recommended for UMBC students, faculty, and staff. UMBC is committed to inclusive excellence and innovation and strongly encourages applications from women, minorities, veterans, and individuals with disabilities. UMBC is an equal opportunity
employer and welcomes all to apply. We strongly encourage members of underrepresented groups to apply.<o:p></o:p></span></span></p>
<p class="MsoBodyText" style="mso-margin-top-alt:0in;margin-right:5.65pt;margin-bottom:0in;margin-left:5.0pt;margin-bottom:.0001pt">
<span style="mso-bookmark:_Hlk132007790"><span style="font-size:12.0pt;font-family:"Calibri",sans-serif"><o:p> </o:p></span></span></p>
<p class="MsoNormal"><span style="mso-bookmark:_Hlk132007790">Best,<span style="mso-ligatures:none"><o:p></o:p></span></span></p>
<p class="MsoNormal"><span style="mso-bookmark:_Hlk132007790">Katie McKee (she/her)<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-bookmark:_Hlk132007790">CRESST II Career Development Manager<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-bookmark:_Hlk132007790">NASA/Goddard Space Flight Center<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-bookmark:_Hlk132007790">(301) 286-3063 / (301) 286-1681 (F)</span><o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
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