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researcher

Johann Sejpka

4 papers hereh-index 4112 citations13 works total

Matching runs newest-first, so older work may not be attached to this profile yet.

author position
  • middle author4

Across the 4 of 4 papers where every author was matched, so the position is known.

fields
  • astro-ph.EP3
  • astro-ph.SR1

identity via Semantic Scholar / OpenAlex

activity
20132022
most citedPlanet Hunters. VIII. Characterization of 41 Long-Period Exoplanet Candidates from Kepler Archival Data

71 citations · 181 across the 4 of their papers we have counts for

collaborators
Showing astro-ph.EPShow all

3 papers · 1 filter

astro-ph.EP2016★ 27 cited

Planet Hunters X: Searching for Nearby Neighbors of 75 Planet and Eclipsing Binary Candidates from the K2 Kepler Extended Mission

Joseph R. Schmitt, Andrei Tokovinin, Ji Wang +22

We present high-resolution observations of a sample of 75 K2 targets from Campaigns 1-3 using speckle interferometry on the Southern Astrophysical Research (SOAR) telescope and ada…

astro-ph.EP2015★ 71 cited

Planet Hunters. VIII. Characterization of 41 Long-Period Exoplanet Candidates from Kepler Archival Data

Ji Wang, Debra A. Fischer, Thomas Barclay +30

The census of exoplanets is incomplete for orbital distances larger than 1 AU. Here, we present 41 long-period planet candidates in 38 systems identified by Planet Hunters based on…

astro-ph.EP2013★ 59 cited

Planet Hunters. VI: An Independent Characterization of KOI-351 and Several Long Period Planet Candidates from the Kepler Archival Data

Joseph R. Schmitt, Ji Wang, Debra A. Fischer +29

We report the discovery of 14 new transiting planet candidates in the Kepler field from the Planet Hunters citizen science program. None of these candidates overlapped with Kepler…

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