WFPC2 imaging of the circumstellar nebulosity of HL Tauri

Karl R. Stapelfeldt; Christopher J. Burrows; John E. Krist; John T. Trauger; J. Jeff Hester; Jon A. Holtzman; Gilda E. Ballester; Stefano Casertano; John T. Clarke; David Crisp; Robin W. Evans; John S. Gallagher; Richard E. Griffiths; John G. Hoessel; Jeremy R. Mould; Paul Scowen; Alan M. Watson; James A. Westphal

doi:10.1086/176106

WFPC2 imaging of the circumstellar nebulosity of HL Tauri

Karl R. Stapelfeldt, Christopher J. Burrows, John E. Krist, John T. Trauger, J. Jeff Hester, Jon A. Holtzman, Gilda E. Ballester, Stefano Casertano, John T. Clarke, David Crisp, Robin W. Evans, John S. Gallagher, Richard E. Griffiths, John G. Hoessel, Jeremy R. Mould, Paul Scowen, Alan M. Watson, James A. Westphal

Research output: Contribution to journal › Article › peer-review

56 Scopus citations

Abstract

Planetary camera images of HL Tauri have been obtained through V-, R-, and I-band niters using the Wide Field and Planetary Camera 2 aboard the refurbished Hubble Space Telescope. These images show that HL Tairi is entirely reflection nebulosity at optical wavelengths, with no optical star visible to a limiting magnitude of V = 25.5. The optical nebula extends northeast of the stellar position along the direction of HL Tau's optical jet and has an unusual C-shaped morphology. The bright core of the nebula is only 1″ in size and is centered only 1″.2 from the actual stellar position. We estimate that visual extinction toward the unseen point source is at least 22 mag and that the stellar photospheric luminosity must be at least 3 L_⊙. These findings corroborate other evidence that this star is significantly younger and more embedded than typical T Tauri stars.

Original language	English (US)
Pages (from-to)	888-893
Number of pages	6
Journal	Astrophysical Journal
Volume	449
Issue number	2
DOIs	https://doi.org/10.1086/176106
State	Published - Aug 20 1995

Keywords

Circumstellar matter
Stars: individual (HL Tauri)
Stars: pre-main-sequence

ASJC Scopus subject areas

Astronomy and Astrophysics
Space and Planetary Science

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10.1086/176106

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Stapelfeldt, K. R., Burrows, C. J., Krist, J. E., Trauger, J. T., Hester, J. J., Holtzman, J. A., Ballester, G. E., Casertano, S., Clarke, J. T., Crisp, D., Evans, R. W., Gallagher, J. S., Griffiths, R. E., Hoessel, J. G., Mould, J. R., Scowen, P., Watson, A. M., & Westphal, J. A. (1995). WFPC2 imaging of the circumstellar nebulosity of HL Tauri. Astrophysical Journal, 449(2), 888-893. https://doi.org/10.1086/176106

Stapelfeldt, KR, Burrows, CJ, Krist, JE, Trauger, JT, Hester, JJ, Holtzman, JA, Ballester, GE, Casertano, S, Clarke, JT, Crisp, D, Evans, RW, Gallagher, JS, Griffiths, RE, Hoessel, JG, Mould, JR, Scowen, P, Watson, AM & Westphal, JA 1995, 'WFPC2 imaging of the circumstellar nebulosity of HL Tauri', Astrophysical Journal, vol. 449, no. 2, pp. 888-893. https://doi.org/10.1086/176106

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title = "WFPC2 imaging of the circumstellar nebulosity of HL Tauri",

abstract = "Planetary camera images of HL Tauri have been obtained through V-, R-, and I-band niters using the Wide Field and Planetary Camera 2 aboard the refurbished Hubble Space Telescope. These images show that HL Tairi is entirely reflection nebulosity at optical wavelengths, with no optical star visible to a limiting magnitude of V = 25.5. The optical nebula extends northeast of the stellar position along the direction of HL Tau's optical jet and has an unusual C-shaped morphology. The bright core of the nebula is only 1″ in size and is centered only 1″.2 from the actual stellar position. We estimate that visual extinction toward the unseen point source is at least 22 mag and that the stellar photospheric luminosity must be at least 3 L⊙. These findings corroborate other evidence that this star is significantly younger and more embedded than typical T Tauri stars.",

keywords = "Circumstellar matter, Stars: individual (HL Tauri), Stars: pre-main-sequence",

author = "Stapelfeldt, {Karl R.} and Burrows, {Christopher J.} and Krist, {John E.} and Trauger, {John T.} and Hester, {J. Jeff} and Holtzman, {Jon A.} and Ballester, {Gilda E.} and Stefano Casertano and Clarke, {John T.} and David Crisp and Evans, {Robin W.} and Gallagher, {John S.} and Griffiths, {Richard E.} and Hoessel, {John G.} and Mould, {Jeremy R.} and Paul Scowen and Watson, {Alan M.} and Westphal, {James A.}",

year = "1995",

month = aug,

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doi = "10.1086/176106",

language = "English (US)",

volume = "449",

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T1 - WFPC2 imaging of the circumstellar nebulosity of HL Tauri

AU - Stapelfeldt, Karl R.

AU - Burrows, Christopher J.

AU - Krist, John E.

AU - Trauger, John T.

AU - Hester, J. Jeff

AU - Holtzman, Jon A.

AU - Ballester, Gilda E.

AU - Casertano, Stefano

AU - Clarke, John T.

AU - Crisp, David

AU - Evans, Robin W.

AU - Gallagher, John S.

AU - Griffiths, Richard E.

AU - Hoessel, John G.

AU - Mould, Jeremy R.

AU - Scowen, Paul

AU - Watson, Alan M.

AU - Westphal, James A.

PY - 1995/8/20

Y1 - 1995/8/20

N2 - Planetary camera images of HL Tauri have been obtained through V-, R-, and I-band niters using the Wide Field and Planetary Camera 2 aboard the refurbished Hubble Space Telescope. These images show that HL Tairi is entirely reflection nebulosity at optical wavelengths, with no optical star visible to a limiting magnitude of V = 25.5. The optical nebula extends northeast of the stellar position along the direction of HL Tau's optical jet and has an unusual C-shaped morphology. The bright core of the nebula is only 1″ in size and is centered only 1″.2 from the actual stellar position. We estimate that visual extinction toward the unseen point source is at least 22 mag and that the stellar photospheric luminosity must be at least 3 L⊙. These findings corroborate other evidence that this star is significantly younger and more embedded than typical T Tauri stars.

AB - Planetary camera images of HL Tauri have been obtained through V-, R-, and I-band niters using the Wide Field and Planetary Camera 2 aboard the refurbished Hubble Space Telescope. These images show that HL Tairi is entirely reflection nebulosity at optical wavelengths, with no optical star visible to a limiting magnitude of V = 25.5. The optical nebula extends northeast of the stellar position along the direction of HL Tau's optical jet and has an unusual C-shaped morphology. The bright core of the nebula is only 1″ in size and is centered only 1″.2 from the actual stellar position. We estimate that visual extinction toward the unseen point source is at least 22 mag and that the stellar photospheric luminosity must be at least 3 L⊙. These findings corroborate other evidence that this star is significantly younger and more embedded than typical T Tauri stars.

KW - Circumstellar matter

KW - Stars: individual (HL Tauri)

KW - Stars: pre-main-sequence

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WFPC2 imaging of the circumstellar nebulosity of HL Tauri

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Keywords

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