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Astronomy Research

2021 OHS Submissions to SAS

Stanford OHS 2021 Astronomy Research Seminar Projects

These projects were submitted to the Society of Astronomical Sciences Conference in June, 2021.

SAS Introduction

RR Lyraes in Globular Clusters

by Avni Bansal and Paul Hamrick

Summary: We characterized the distance, age, and composition of 4 star clusters by analyzing the photometry of their stars compared to theoretical isochrones, computed new pulsation periods for some RR Lyrae stars, and discovered some potential new pulsators.

Studies of Double Star Systems

by Ronan Boyarski and Liam Dugan

Summary: We analyzed and made measurements of 10 different systems: including one known binary and several potential binaries.  The systems studied included a quadruple system and a few high-delta-magnitude pairs.  We present evidence to support the classification of two previously-unclassified doubles.

Double star paper, poster

An Analysis of Exoplanet WASP-50b with EXOTIC

by Ramy Mizrachi, Dylan Ly, and Leon Bewersdorff

Summary: We used 10 years worth of images from a 6-inch MicroObservatory robotic telescope to study the transits of WASP-50b and update the ephemeris of this Hot Jupiter exoplanet.

WASP-50b paper, poster

The Age and Expansion Rate of the Crab Nebula

by Elias Koubaa and Adhvaith Thurvas

Summary: We studied images of the Crab Nebula and used differences in the images over time to estimate the time of the explosion that created the nebula.

Crab Nebula paper, poster

Ephemeris Update of WASP-43 b Using EXOTIC

by Eli Gendreau-Distler, Elliott Chalcraft, Timothy Felten, and Milla Ivanova

Summary: We used images from Las Cumbres Observatory robotic telescopes to update the ephemeris of WASP-43b, a Hot Jupiter exoplanet.

WASP-43b paper, poster

Eclipsing Binaries Identified as Part of the TESS Followup Observing Program

by Gavin Wang

Summary: In examining images from the Transit Exoplanet Survey Satellite Follow-up Observing Program, I discovered four binary star pairs orbiting such that they periodically eclipsed each other.

Eclipsing Binaries paper, poster