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1

MAGNETIC PROPERTIES OF YOUNG STARS IN THE TW HYDRAE ASSOCIATION

Yang, Hao, Johns-Krull, Christopher M., Valenti, Jeff A.

Journal:

The Astronomical Journal

Year:

2008

Language:

english

File:

PDF, 291 KB

english, 2008

2

STELLAR AND CIRCUMSTELLAR PROPERTIES OF CLASS I PROTOSTARS

Prato, L., Lockhart, K. E., Johns-Krull, Christopher M., Rayner, John T.

Journal:

The Astronomical Journal

Year:

2009

Language:

english

File:

PDF, 576 KB

english, 2009

3

Astrophysics: Magnetic bond

Johns-Krull, Christopher M.

Journal:

Year:

2009

Language:

english

File:

PDF, 655 KB

english, 2009

4

Reflected light from sand grains in the terrestrial zone of a protoplanetary disk

Herbst, William, Hamilton, Catrina M., LeDuc, Katherine, Winn, Joshua N., Johns-Krull, Christopher M., Mundt, Reinhard, Ibrahimov, Mansur

Journal:

Year:

2008

Language:

english

File:

PDF, 841 KB

english, 2008

5

Astrophysics: Secret ingredient exposed

Johns-Krull, Christopher M.

Journal:

Year:

2014

Language:

english

File:

PDF, 703 KB

english, 2014

6

HOT GAS LINES IN T TAURI STARS

Ardila, David R., Herczeg, Gregory J., Gregory, Scott G., Ingleby, Laura, France, Kevin, Brown, Alexander, Edwards, Suzan, Johns-Krull, Christopher, Linsky, Jeffrey L., Yang, Hao, Valenti, Jeff A., Ab

Journal:

The Astrophysical Journal Supplement Series

Year:

2013

Language:

english

File:

PDF, 2.84 MB

english, 2013

7

THE LIGHT CURVE OF THE WEAKLY ACCRETING T TAURI BINARY KH 15D FROM 2005-2010: INSIGHTS INTO THE NATURE OF ITS PROTOPLANETARY DISK

Herbst, William, LeDuc, Katherine, Hamilton, Catrina M., Winn, Joshua N., Ibrahimov, Mansur, Mundt, Reinhard, Johns-Krull, Christopher M.

Journal:

The Astronomical Journal

Year:

2010

Language:

english

File:

PDF, 648 KB

english, 2010

8

Evaluation of Algorithms for Reconstructing Electron Spectra from Their Bremsstrahlung Hard X‐Ray Spectra

Brown, John C., Emslie, A. Gordon, Holman, Gordon D., Johns‐Krull, Christopher M., Kontar, Eduard P., Lin, Robert P., Massone, Anna Maria, Piana, Michele

Journal:

The Astrophysical Journal

Year:

2006

Language:

english

File:

PDF, 1.37 MB

english, 2006

9

DIAGNOSING MASS FLOWS AROUND HERBIG Ae/Be STARS USING THE HE I λ10830 LINE

Cauley, P. Wilson, Johns-Krull, Christopher M.

Journal:

The Astrophysical Journal

Year:

2014

File:

PDF, 821 KB

2014

10

MAGNETICALLY CONTROLLED ACCRETION ON THE CLASSICAL T TAURI STARS GQ LUPI AND TW HYDRAE

Johns-Krull, Christopher M., Chen, Wei, Valenti, Jeff A., Jeffers, Sandra V., Piskunov, Nikolai E., Kochukhov, Oleg, Makaganiuk, V., Stempels, H. C., Snik, Frans, Keller, Christoph, Rodenhuis, M.

Journal:

The Astrophysical Journal

Year:

2013

Language:

english

File:

PDF, 477 KB

english, 2013

11

SPECTROPOLARIMETRY OF THE CLASSICAL T TAURI STAR BP TAU

Chen, Wei, Johns-Krull, Christopher M.

Journal:

The Astrophysical Journal

Year:

2013

Language:

english

File:

PDF, 2.24 MB

english, 2013

12

[AIP COOL STARS, STELLAR SYSTEMS AND THE SUN: Proceedings of the 15th Cambridge Workshop on Cool Stars, Stellar Systems and the Sun - St. Andrews (Scotland) (21–25 July 2008)] AIP Conference Proceedings - Magnetic Fields of the T Tauri Stars in the Orion Nebula Cluster

Yang, Hao, Johns-Krull, Christopher M., Stempels, Eric

Year:

2009

File:

PDF, 209 KB

2009

13

AIP Conference Proceedings [AIP STELLAR POLARIMETRY: FROM BIRTH TO DEATH - Madison, WI, USA (27–30 June 2011)] - Spectropolarimetry of the classical T Tauri star BP Tauri

Chen, Wei, Johns-Krull, Christopher

Year:

2012

Language:

english

File:

PDF, 102 KB

english, 2012

14

MAGNETIC FIELD MEASUREMENTS OF T TAURI STARS IN THE ORION NEBULA CLUSTER

Yang, Hao, Johns-Krull, Christopher M.

Journal:

The Astrophysical Journal

Year:

2011

Language:

english

File:

PDF, 416 KB

english, 2011

15

The Magnetic Fields of Classical T Tauri Stars

Johns‐Krull, Christopher M.

Journal:

The Astrophysical Journal

Year:

2007

Language:

english

File:

PDF, 305 KB

english, 2007

16

OPTICAL MASS FLOW DIAGNOSTICS IN HERBIG AE/BE STARS

Cauley, P. Wilson, Johns-Krull, Christopher M.

Journal:

The Astrophysical Journal

Year:

2015

Language:

english

File:

PDF, 2.14 MB

english, 2015

17

SPIE Proceedings [SPIE SPIE Astronomical Telescopes + Instrumentation - Marseille, France (Monday 23 June 2008)] Ground-based and Airborne Instrumentation for Astronomy II - The upgrade of HARPS to a full-Stokes high-resolution spectropolarimeter

Snik, Frans, McLean, Ian S., Casali, Mark M., Jeffers, Sandra, Keller, Christoph, Piskunov, Nikolai, Kochukhov, Oleg, Valenti, Jeff, Johns-Krull, Christopher

Year:

2008

Language:

english

File:

PDF, 734 KB

english, 2008

18

Inferring Rotation Periods of Young Stars from Synoptic Observations

Hartigan, Patrick, Johns-Krull, Christopher M., Scowen, Paul

Journal:

Proceedings of the International Astronomical Union

Year:

2011

Language:

english

File:

PDF, 280 KB

english, 2011

19

SpS1-Measuring magnetic fields on young stars

Johns-Krull, Christopher M., Valenti, Jeff A.

Journal:

Proceedings of the International Astronomical Union

Year:

2009

Language:

english

File:

PDF, 70 KB

english, 2009

20

Measurements of magnetic fields on T Tauri stars

Johns–Krull, Christopher M.

Journal:

Proceedings of the International Astronomical Union

Year:

2007

Language:

english

File:

PDF, 213 KB

english, 2007

21

Measuring T Tauri star magnetic fields

Johns–Krull, Christopher M.

Journal:

Proceedings of the International Astronomical Union

Year:

2008

Language:

english

File:

PDF, 415 KB

english, 2008

22

The search for magnetic fields in mercury-manganese stars

Makaganiuk, Vitalii, Kochukhov, Oleg, Piskunov, Nikolai, Jeffers, Sandra V., Johns-Krull, Christopher M., Keller, Christoph U., Rodenhuis, Michiel, Snik, Frans, Stempels, Henricus C., Valenti, Jeff A.

Journal:

Proceedings of the International Astronomical Union

Year:

2010

Language:

english

File:

PDF, 152 KB

english, 2010

23

Accurate M Dwarf Metallicities from Spectral Synthesis: A Critical Test of Model Atmospheres

Bean, Jacob L., Sneden, Christopher, Hauschildt, Peter H., Johns‐Krull, Christopher M., Benedict, G. Fritz

Journal:

The Astrophysical Journal

Year:

2006

Language:

english

File:

PDF, 598 KB

english, 2006

24

Mapping the Circumstellar Environment of T Tauri with Fluorescent H 2 Emission

Walter, Frederick M., Herczeg, Gregory, Brown, Alexander, Ardila, David R., Gahm, Gsta F., Johns-Krull, Christopher M., Lissauer, Jack J., Simon, Michal, Valenti, Jeff A.

Journal:

The Astronomical Journal

Year:

2003

Language:

english

File:

PDF, 524 KB

english, 2003

25

XO‐5b: A Transiting Jupiter‐sized Planet with a 4 Day Period

Burke, Christopher J., McCullough, P. R., Valenti, Jeff A., Long, Doug, Johns‐Krull, Christopher M., Machalek, P., Janes, Kenneth A., Taylor, B., Fleenor, Michael L., Foote, C. N., Gary, Bruce L., Gar

Journal:

The Astrophysical Journal

Year:

2008

Language:

english

File:

PDF, 871 KB

english, 2008

26

An IUE Atlas of Pre–Main‐Sequence Stars. III. Co‐added Final Archive Spectra from the Long‐Wavelength Cameras

Valenti, Jeff A., Fallon, Adam A., Johns‐Krull, Christopher M.

Journal:

The Astrophysical Journal Supplement Series

Year:

2003

Language:

english

File:

PDF, 1.42 MB

english, 2003

27

KH 15D: A Spectroscopic Binary

Johnson, John Asher, Marcy, Geoffrey W., Hamilton, Catrina M., Herbst, William, Johns-Krull, Christopher M.

Journal:

The Astronomical Journal

Year:

2004

Language:

english

File:

PDF, 220 KB

english, 2004

28

Testing the Reality of Strong Magnetic Fields on T Tauri Stars: The Naked T Tauri Star Hubble 4

Johns‐Krull, Christopher M., Valenti, Jeff A., Saar, Steven H.

Journal:

The Astrophysical Journal

Year:

2004

Language:

english

File:

PDF, 341 KB

english, 2004

29

XO‐2b: Transiting Hot Jupiter in a Metal‐rich Common Proper Motion Binary

Burke, Christopher J., McCullough, P. R., Valenti, Jeff A., Johns‐Krull, Christopher M., Janes, Kenneth A., Heasley, J. N., Summers, F. J., Stys, J. E., Bissinger, R., Fleenor, Michael L., Foote, Cind

Journal:

The Astrophysical Journal

Year:

2007

Language:

english

File:

PDF, 3.52 MB

english, 2007

30

Natural Coronagraphic Observations of the Eclipsing T Tauri System KH 15D: Evidence of Accretion and Bipolar Outflow in a Weak-Line T Tauri Star

Hamilton, Catrina M., Herbst, William, Mundt, Reinhard, Bailer-Jones, Coryn A. L., Johns-Krull, Christopher M.

Journal:

The Astrophysical Journal

Year:

2003

Language:

english

File:

PDF, 84 KB

english, 2003

31

The Far‐Ultraviolet Spectra of TW Hydrae. II. Models of H 2 Fluorescence in a Disk

Herczeg, Gregory J., Wood, Brian E., Linsky, Jeffrey L., Valenti, Jeff A., Johns‐Krull, Christopher M.

Journal:

The Astrophysical Journal

Year:

2004

Language:

english

File:

PDF, 934 KB

english, 2004

32

Measuring the Magnetic Field of the Classical T Tauri Star TW Hydrae

Yang, Hao, Johns‐Krull, Christopher M., Valenti, Jeff A.

Journal:

The Astrophysical Journal

Year:

2005

Language:

english

File:

PDF, 259 KB

english, 2005

33

Spectropolarimetry of the Classical T Tauri Star TW Hydrae

Yang, Hao, Johns-Krull, Christopher M., Valenti, Jeff A.

Journal:

The Astronomical Journal

Year:

2007

Language:

english

File:

PDF, 241 KB

english, 2007

34

The Origins of Fluorescent H 2 Emission From T Tauri Stars

Herczeg, Gregory J., Linsky, Jeffrey L., Walter, Frederick M., Gahm, Gosta F., Johns‐Krull, Christopher M.

Journal:

The Astrophysical Journal Supplement Series

Year:

2006

Language:

english

File:

PDF, 1.16 MB

english, 2006

35

Transition Region Emission from Very Low Mass Stars

Hawley, Suzanne L., Johns-Krull, Christopher M.

Journal:

The Astrophysical Journal

Year:

2003

Language:

english

File:

PDF, 68 KB

english, 2003

36

Spectropolarimetry of the Classical T Tauri Star T Tauri

Daou, Antoun G., Johns-Krull, Christopher M., Valenti, Jeff A.

Journal:

The Astronomical Journal

Year:

2006

Language:

english

File:

PDF, 350 KB

english, 2006

37

From Radio to X‐Ray: The Quiescent Atmosphere of the dMe Flare Star EV Lacertae

Osten, Rachel A., Hawley, Suzanne L., Allred, Joel, Johns‐Krull, Christopher M., Brown, Alexander, Harper, Graham M.

Journal:

The Astrophysical Journal

Year:

2006

Language:

english

File:

PDF, 1.24 MB

english, 2006

38

The Loopy Ultraviolet Line Profiles of RU Lupi: Accretion, Outflows, and Fluorescence

Herczeg, Gregory J., Walter, Frederick M., Linsky, Jeffrey L., Gahm, Gösta F., Ardila, David R., Brown, Alexander, Johns-Krull, Christopher M., Simon, Michal, Valenti, Jeff A.

Journal:

The Astronomical Journal

Year:

2005

Language:

english

File:

PDF, 877 KB

english, 2005

39

How Hot is the Wind from TW Hydrae?

Johns‐Krull, Christopher M., Herczeg, Gregory J.

Journal:

The Astrophysical Journal

Year:

2007

Language:

english

File:

PDF, 243 KB

english, 2007

40

From Radio to X‐Ray: Flares on the dMe Flare Star EV Lacertae

Osten, Rachel A., Hawley, Suzanne L., Allred, Joel C., Johns‐Krull, Christopher M., Roark, Christine

Journal:

The Astrophysical Journal

Year:

2005

Language:

english

File:

PDF, 1.30 MB

english, 2005

41

Convective Dynamos and the Minimum X‐Ray Flux in Main‐Sequence Stars

Bercik, D. J., Fisher, G. H., Johns‐Krull, Christopher M., Abbett, W. P.

Journal:

The Astrophysical Journal

Year:

2005

Language:

english

File:

PDF, 535 KB

english, 2005

42

Measuring the Magnetic Field on the Classical T Tauri Star BP Tauri

Johns‐Krull, Christopher M., Valenti, Jeff A., Koresko, Christopher

Journal:

The Astrophysical Journal

Year:

1999

Language:

english

File:

PDF, 255 KB

english, 1999

43

Spectral Synthesis of TiO Lines

Valenti, Jeff A., Piskunov, Nikolai, Johns‐Krull, Christopher M.

Journal:

The Astrophysical Journal

Year:

1998

Language:

english

File:

PDF, 747 KB

english, 1998

44

An IUE Atlas of Pre–Main‐Sequence Stars. II. Far‐Ultraviolet Accretion Diagnostics in T Tauri Stars

Johns‐Krull, Christopher M., Valenti, Jeff A., Linsky, Jeffrey L.

Journal:

The Astrophysical Journal

Year:

2000

Language:

english

File:

PDF, 497 KB

english, 2000

45

The Relationship Between X‐Ray Radiance and Magnetic Flux

Pevtsov, Alexei A., Fisher, George H., Acton, Loren W., Longcope, Dana W., Johns‐Krull, Christopher M., Kankelborg, Charles C., Metcalf, Thomas R.

Journal:

The Astrophysical Journal

Year:

2003

Language:

english

File:

PDF, 109 KB

english, 2003

46

Starspot‐Induced Radial Velocity Variability in LkCa 19

Huerta, Marcos, Johns‐Krull, Christopher M., Prato, L., Hartigan, Patrick, Jaffe, D. T.

Journal:

The Astrophysical Journal

Year:

2008

Language:

english

File:

PDF, 768 KB

english, 2008

47

Spectropolarimetry of Magnetospheric Accretion on the Classical T Tauri Star BP Tauri

Johns-Krull, Christopher M., Valenti, Jeff A., Hatzes, Artie P., Kanaan, Antonio

Journal:

The Astrophysical Journal

Year:

1999

Language:

english

File:

PDF, 77 KB

english, 1999

48

Observations of T Tauri Stars using Hubble Space Telescope GHRS. I. Far‐Ultraviolet Emission Lines

Ardila, David R., Basri, Gibor, Walter, Frederick M., Valenti, Jeff A., Johns‐Krull, Christopher M.

Journal:

The Astrophysical Journal

Year:

2002

Language:

english

File:

PDF, 2.57 MB

english, 2002

49

XO‐3b: A Massive Planet in an Eccentric Orbit Transiting an F5 V Star

Johns‐Krull, Christopher M., McCullough, Peter R., Burke, Christopher J., Valenti, Jeff A., Janes, K. A., Heasley, J. N., Prato, L., Bissinger, R., Fleenor, M., Foote, C. N., Garcia‐Melendo, E., Gary,

Journal:

The Astrophysical Journal

Year:

2008

Language:

english

File:

PDF, 774 KB

english, 2008

50

A CANDIDATE YOUNG MASSIVE PLANET IN ORBIT AROUND THE CLASSICAL T TAURI STAR CI TAU

Johns-Krull, Christopher M., McLane, Jacob N., Prato, L., Crockett, Christopher J., Jaffe, Daniel T., Hartigan, Patrick M., Beichman, Charles A., Mahmud, Naved I., Chen, Wei, Skiff, B. A., Cauley, P.

Journal:

The Astrophysical Journal

Year:

2016

Language:

english

File:

PDF, 1.55 MB

english, 2016

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