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E. F. Guinan

Villanova University

44H-index
803Paper Count
8.0KCitation Count
Published Papers 80
Publication Date
HST-STIS Spectra of Antares (α Scorpii: M1.5 Iab)—Type II Supernova Progenitor and Betelgeuse’s Chromospheric Twin
err2026-04-27
err0
errOAAI
errGraham M. Harper; Thomas R. Ayres; Keiichi Ohnaka; Edward F. Guinan; Curtis DeWitt
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Hubble Space Telescope Snapshot Survey for Resolved Companions of Galactic Cepheids: Final Results (vol 905, 81, 2020)
err2024-07-10
err2
errOAAI
errEvans, Nancy Remage; Gunther, H. Moritz; Bond, Howard E.; Schaefer, Gail H.; Mason, Brian D.; Karovska, Margarita; Tingle, Evan; Wolk, Scott; Engle, Scott; Guinan, Edward; Pillitteri, Ignazio; Proffitt, Charles; Kervella, Pierre; Gallenne, Alexandre; Anderson, Richard I.; Moe, Maxwell
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X-Rays in Cepheids: Identifying Low-mass Companions of Intermediate-mass Stars*
err2022-10-21
err4
errOAAI
errEvans, Nancy Remage; Engle, Scott; Pillitteri, Ignazio; Guinan, Edward; Gunther, H. Moritz; Wolk, Scott; Neilson, Hilding; Marengo, Massimo; Matthews, Lynn D.; Moschou, Sofia; Drake, Jeremy J.; Winston, Elaine M.; Moe, Maxwell; Kervella, Pierre; Breuval, Louise
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SOFIA upGREAT/FIFI-LS Emission-line Observations of Betelgeuse during the Great Dimming of 2019/2020
err2021-11-17
err2
errOAAI
errHarper, Graham M.; Chambers, Edward; Vacca, William D.; Wiesemeyer, Helmut; Fadda, Dario; DeWitt, Curtis; Wasatonic, Richard; Richards, Anita M. S.; Ryde, Nils; Fischer, Christian; Richter, Matthew J.; Guinan, Edward F.; Minchin, Robert; Graf, Urs U.; Colditz, Sebastian
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X-Rays in Cepheids: XMM-Newton Observations of η Aql*
err2021-08-06
err4
errOAAI
errEvans, Nancy Remage; Pillitteri, Ignazio; Kervella, Pierre; Engle, Scott; Guinan, Edward; Gunther, H. Moritz; Wolk, Scott; Neilson, Hilding; Marengo, Massimo; Matthews, Lynn D.; Moschou, Sofia; Drake, Jeremy J.; Guzik, Joyce A.; Gallenne, Alexandre; Merand, Antoine; Hocde, Vincent
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Hubble Space Telescope Snapshot Survey for Resolved Companions of Galactic Cepheids: Final Results* †
err2020-12-15
err11
errOAAI
errEvans, Nancy Remage; Gunther, H. Moritz; Bond, Howard E.; Schaefer, Gail H.; Mason, Brian D.; Karovska, Margarita; Tingle, Evan; Wolk, Scott; Engle, Scott; Guinan, Edward; Pillitteri, Ignazio; Proffitt, Charles; Kervella, Pierre; Gallenne, Alexandre; Anderson, Richard I.; Moe, Maxwell
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The Photospheric Temperatures of Betelgeuse during the Great Dimming of 2019/2020: No New Dust Required
err2020-12-09
err29
errOAAI
errHarper, Graham M.; Guinan, Edward F.; Wasatonic, Richard; Ryde, Nils
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In Search for a Planet Better than Earth: Top Contenders for a Superhabitable World
err2020-12-01
err22
errOAAI
errSchulze-Makuch, Dirk; Heller, Rene; Guinan, Edward
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Spatially Resolved Ultraviolet Spectroscopy of the Great Dimming of Betelgeuse
err2020-08-13
err45
errOAAI
errDupree, Andrea K.; Strassmeier, Klaus G.; Matthews, Lynn D.; Uitenbroek, Han; Calderwood, Thomas; Granzer, Thomas; Guinan, Edward F.; Leike, Reimar; Montarges, Miguel; Richards, Anita M. S.; Wasatonic, Richard; Weber, Michael
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Rotation, Convective Core Overshooting, and Period Changes in Classical Cepheid Stellar Evolution Models
err2020-06-19
err11
errOAAI
errMiller, Cassandra L.; Neilson, Hilding R.; Evans, Nancy Remage; Engle, Scott G.; Guinan, Edward
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SOFIA-EXES Observations of Betelgeuse during the Great Dimming of 2019/2020
err2020-04-14
err10
errOAAI
errHarper, Graham M.; DeWitt, Curtis N.; Richter, Matthew J.; Guinan, Edward F.; Wasatonic, Richard; Ryde, Nils; Montiel, Edward J.; Townsend, Amanda J.
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X-Ray Observations of the Peculiar Cepheid V473 Lyr Identify A Low-mass Companion
err2020-02-21
err4
errOAAI
errEvans, Nancy Remage; Pillitteri, Ignazio; Molnar, Laszlo; Szabados, Laszlo; Plachy, Emese; Szabo, Robert; Engle, Scott; Guinan, Edward; Wolk, Scott; Gunther, H. Moritz; Neilson, Hilding; Marengo, Massimo; Matthews, Lynn D.; Moschou, Sofia; Drake, Jeremy J.; Kashyap, Vinay; Kervella, Pierre; Tordai, Tamas; Somogyi, Peter; Burki, Gilbert
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The Behavior of the Paschen and Calcium Triplet Lines in Cepheid Variables II: The 16-day Variable X Cygni
err2019-07-29
err4
errOAAI
errWallerstein, G.; Anderson, R., I; Farrell, E. M.; Guinan, E.; Albright, M.; Lacy, B.; Davis, C. E.; Ritchey, A.; Eyer, L.; Mowlavi, N.
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Stellar activity analysis of Barnard's Star: very slow rotation and evidence for long-term activity cycle
err2019-07-27
err29
errOAAI
errToledo-Padron, B.; Gonzalez Hernandez, J., I; Rodriguez-Lopez, C.; Mascareno, A. Suarez; Rebolo, R.; Butler, R. P.; Ribas, I; Anglada-Escude, G.; Johnson, E. N.; Reiners, A.; Caballero, J. A.; Quirrenbach, A.; Amado, P. J.; Bejar, V. J. S.; Morales, J. C.; Perger, M.; Jeffers, S., V; Vogt, S.; Teske, J.; Shectman, S.; Crane, J.; Diaz, M.; Arriagada, P.; Holden, B.; Burt, J.; Rodriguez, E.; Herrero, E.; Murgas, E.; Palle, E.; Morales, N.; Lopez-Gonzalez, M. J.; Diez Alonso, E.; Tuomi, M.; Kiraga, M.; Engle, S. G.; Guinan, E. F.; Strachan, J. B. P.; Aceituno, F. J.; Aceituno, J.; Casanova, V. M.; Martin-Ruiz, S.; Montes, D.; Ortiz, J. L.; Sota, A.; Briol, J.; Barbieri, L.; Cervini, I; Deldem, M.; Dubois, F.; Hambsch, F-J; Harris, B.; Kotnik, C.; Logie, L.; Lopez, J.; McNeely, M.; Ogmen, Y.; Perez, L.; Rau, S.; Rodriguez, D.; Urquijo, F. S.; Vanaverbeke, S.
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The Magnetic Future of the Sun
err2017-10-10
err6
errOAAI
errJudge, Philip G.; Egeland, Ricky; Metcalfe, Travis S.; Guinan, Edward; Engel, Scott
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An Updated 2017 Astrometric Solution for Betelgeuse
err2017-06-16
err45
errOAAI
errHarper, G. M.; Brown, A.; Guinan, E. F.; O'Gorman, E.; Richards, A. M. S.; Kervella, P.; Decin, L.
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The Secret Lives of Cepheids: δCep-The Prototype of a New Class of Pulsating X-Ray Variable Stars
err2017-03-24
err26
errOAAI
errEngle, Scott G.; Guinan, Edward F.; Harper, Graham M.; Cuntz, Manfred; Evans, Nancy Remage; Neilson, Hilding R.; Fawzy, Diaa E.
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SOFIA-EXES Mid-IR Observations of [Fe II] Emission from the Extended Atmosphere of Betelgeuse
err2017-02-06
err10
PREAI
errHarper, G. M.; DeWitt, C.; Richter, M. J.; Greathouse, T. K.; Ryde, N.; Guinan, E. F.; O'Gorman, E.; Vacca, W. D.
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The habitability of Proxima Centauri b I. Irradiation, rotation and volatile inventory from formation to the present
err2016-12-12
err183
errOAAI
errRibas, Ignasi; Bolmont, Emeline; Selsis, Franck; Reiners, Ansgar; Leconte, Jeremy; Raymond, Sean N.; Engle, Scott G.; Guinan, Edward F.; Morin, Julien; Turbet, Martin; Forget, Francois; Anglada-Escude, Guillem
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