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Graham M Harper
Graham M Harper
Center for Astrophysics and Space Astronomy, University of Colorado Boulder
Verifierad e-postadress på colorado.edu
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The RIASS Coronathon: Joint X-ray and ultraviolet observations of normal FK stars
TR Ayres, TA Fleming, T Simon, BM Haisch, A Brown, D Lenz, ...
Astrophysical Journal Supplement Series (ISSN 0067-0049), vol. 96, no. 1, p …, 1995
1531995
A New VLA–Hipparcos Distance to Betelgeuse and its Implications
GM Harper, A Brown, EF Guinan
The Astronomical Journal 135 (4), 1430, 2008
1222008
The Environment of the Optically Brightest Herbig Ae Star, HD 104237a bcde
CA Grady, B Woodgate, CAO Torres, T Henning, D Apai, J Rodmann, ...
The Astrophysical Journal 608 (2), 809, 2004
1172004
A spatially resolved, semiempirical model for the extended atmosphere of α orionis (m2 iab)
GM Harper, A Brown, J Lim
The Astrophysical Journal 551 (2), 1073, 2001
1042001
Goddard High-Resolution Spectrograph Observations of Procyon and HR1099
BE Wood, GM Harper, JL Linsky, RC Dempsey
The Astrophysical Journal, 1996
971996
Far-ultraviolet emissions of the Sun in time: probing solar magnetic activity and effects on evolution of paleoplanetary atmospheres
EF Guinan, I Ribas, GM Harper
The Astrophysical Journal 594 (1), 561, 2003
802003
The close circumstellar environment of Betelgeuse-V. Rotation velocity and molecular envelope properties from ALMA
P Kervella, L Decin, AMS Richards, GM Harper, I McDonald, E O’Gorman, ...
Astronomy & Astrophysics 609, A67, 2018
732018
Buried alive in the coronal graveyard
TR Ayres, A Brown, GM Harper
The Astrophysical Journal 598 (1), 610, 2003
712003
An updated 2017 astrometric solution for Betelgeuse
GM Harper, A Brown, EF Guinan, E O’gorman, AMS Richards, P Kervella, ...
The Astronomical Journal 154 (1), 11, 2017
622017
The far-ultraviolet “continuum” in protoplanetary disk systems. II. Carbon monoxide fourth positive emission and absorption
K France, RN Schindhelm, EB Burgh, GJ Herczeg, GM Harper, A Brown, ...
The Astrophysical Journal 734 (1), 31, 2011
602011
Space Telescope Imaging Spectrograph survey of far-ultraviolet coronal forbidden lines in late-type stars
TR Ayres, A Brown, GM Harper, RA Osten, JL Linsky, BE Wood, ...
The Astrophysical Journal 583 (2), 963, 2003
592003
From radio to X-ray: The quiescent atmosphere of the dMe flare star EV Lacertae
RA Osten, SL Hawley, J Allred, CM Johns-Krull, A Brown, GM Harper
The Astrophysical Journal 647 (2), 1349, 2006
572006
ALMA sub-mm maser and dust distribution of VY Canis Majoris
AMS Richards, CMV Impellizzeri, EM Humphreys, C Vlahakis, ...
Astronomy & Astrophysics 572, L9, 2014
552014
ALMA observations of anisotropic dust mass loss in the inner circumstellar environment of the red supergiant VY Canis Majoris
E O’Gorman, W Vlemmings, AMS Richards, A Baudry, E De Beck, L Decin, ...
Astronomy & Astrophysics 573, L1, 2015
542015
The wind outflow of Zeta Aurigae: a model revision using Hubble Space Telescope spectra
R Baade, T Kirsch, D Reimers, F Toussaint, PD Bennett, A Brown, ...
Astrophysical Journal v. 466, p. 979 466, 979, 1996
491996
The inhomogeneous submillimeter atmosphere of Betelgeuse
E O’gorman, P Kervella, GM Harper, AMS Richards, L Decin, ...
Astronomy & Astrophysics 602, L10, 2017
472017
Water vapor on betelgeuse as revealed by TEXES high-resolution 12 μm spectra
N Ryde, GM Harper, MJ Richter, TK Greathouse, JH Lacy
The Astrophysical Journal 637 (2), 1040, 2006
472006
Digging deeper in the coronal graveyard
TR Ayres, A Brown, GM Harper, PD Bennett, JL Linsky, KG Carpenter, ...
The Astrophysical Journal 491 (2), 876, 1997
461997
A semiempirical determination of the wind velocity structure for the hybrid-chromosphere star Alpha Trianguli Australis
GM Harper, BE Wood, JL Linsky, PD Bennett, TR Ayres, A Brown
Astrophysical Journal v. 452, p. 407 452, 407, 1995
461995
GHRS Observations of Cool, Low-Gravity Stars. V. The Outer Atmosphere and Wind of the Nearby K Supergiant λ Velorum
KG Carpenter, RD Robinson, GM Harper, PD Bennett, A Brown, ...
The Astrophysical Journal 521 (1), 382, 1999
451999
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Artiklar 1–20