K2-288Bb

Date of the discovery: 7 January 2019

Short Description: K2-288Bb is a small planet in the “Fulton Gap”, with a radius of 1.9 earth radii. This means it could be either a rocky super-earth or a gassy mini-Neptune. It orbits a M-dwarf binary in the habitable zone.

Volunteer(s): Joanne Ault, Elisabeth Baeten, Alexander F. Jonkeren, James Langley, Houssen Moshinaly, Kirk Pearson, Christopher Tanner, and Joanna Treasure

Researchers in the discovery paper: Adina D. Feinstein, Joshua E. Schlieder, John H. Livingston, David R. Ciardi, Andrew W. Howard, Lauren Arnold, Geert Barentsen, Makennah Bristow, Jessie L. Christiansen, Ian J. M. Crossfield, Courtney D. Dressing, Erica J. Gonzales, Molly Kosiarek, Chris J. Lintott, Grant Miller, Farisa Y. Morales, Erik A. Petigura, Beverly Thackeray, Joanne Ault, Elisabeth Baeten, Alexander F. Jonkeren, James Langley, Houssen Moshinaly, Kirk Pearson, Christopher Tanner, and Joanna Treasure

Link to paper in ADS: https://ui.adsabs.harvard.edu/abs/2019AJ….157…40F/abstract

SIMBAD page: http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=K2-288Bb&submit=SIMBAD+search

Telescopes involved: IRTF:3.0m (SpeX) – , Keck:I (HIRES) – , Keck:II (NIRC2) – , Kepler – , Spitzer. –

Figure 2 of the paper showing the transit:
ajaafa70f2_hr
Other pages:

wikipedia: https://en.wikipedia.org/wiki/K2-288Bb

Press Release: https://aasnova.org/2019/02/08/citizen-scientists-find-an-unexpected-planet/

Project website: https://www.zooniverse.org/projects/ianc2/exoplanet-explorers

Credit for the header image: NASA Goddard SFC/Francis Reddy

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