A high-resolution spectrograph for the 72cm Waltz Telescope at Landessternwarte, Heidelberg

M. Tala; P. Heeren; M. Grill; R. J. Harris; J. Stürmer; C. Schwab; T. Gutcke; S. Reffert; A. Quirrenbach; W. Seifert; H. Mandel; L. Geuer; L. Schäffner; G. Thimm; U. Seeman; J. Tietz; K. Wagner

doi:10.1117/12.2232730

A high-resolution spectrograph for the 72cm Waltz Telescope at Landessternwarte, Heidelberg

M. Tala^*, P. Heeren, M. Grill, R. J. Harris, J. Stürmer, C. Schwab, T. Gutcke, S. Reffert, A. Quirrenbach, W. Seifert, H. Mandel, L. Geuer, L. Schäffner, G. Thimm, U. Seeman, J. Tietz, K. Wagner

^*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceeding › Conference proceeding contribution › peer-review

3 Citations (Scopus)

Abstract

The Waltz Spectrograph is a fiber-fed high-resolution échelle spectrograph for the 72 cm Waltz Telescope at the Landessternwarte, Heidelberg. It uses a 31.6 lines/mm 63.5° blaze angle échelle grating in white-pupil configuration, providing a spectral resolving power of R ∼ 65,000 covering the spectral range between 450-800nm in one CCD exposure. A prism is used for cross-dispersion of échelle orders. The spectrum is focused by a commercial apochromat onto a 2k×2k CCD detector with 13.5μm per pixel. An exposure meter will be used to obtain precise photon-weighted midpoints of observations, which will be used in the computation of the barycentric corrections of measured radial velocities. A stabilized, newly designed iodine cell is employed for measuring radial velocities with high precision. Our goal is to reach a radial velocity precision of better than 5 m/s, providing an instrument with sufficient precision and sensitivity for the discovery of giant exoplanets. Here we describe the design of the Waltz spectrograph and early on-sky results.

Original language	English
Title of host publication	Ground-Based and Airborne Instrumentation for Astronomy VI
Editors	Christopher J. Evans, Luc Simard, Hideki Hideki
Place of Publication	Bellingham, Washington
Publisher	SPIE
Pages	1-7
Number of pages	7
ISBN (Electronic)	9781510601963
ISBN (Print)	9781510601956
DOIs	https://doi.org/10.1117/12.2232730
Publication status	Published - 2016
Event	Ground-Based and Airborne Instrumentation for Astronomy VI - Edinburgh, United Kingdom Duration: 26 Jun 2016 → 30 Jun 2016

Publication series

Name	Proceedings of SPIE
Publisher	SPIE
Volume	9908
ISSN (Print)	0277-786X
ISSN (Electronic)	1996-756X

Other

Other	Ground-Based and Airborne Instrumentation for Astronomy VI
Country/Territory	United Kingdom
City	Edinburgh
Period	26/06/16 → 30/06/16

Keywords

Doppler method
Echelle
Iodine cell
Radial velocities

Access to Document

10.1117/12.2232730

Cite this

Tala, M., Heeren, P., Grill, M., Harris, R. J., Stürmer, J., Schwab, C., Gutcke, T., Reffert, S., Quirrenbach, A., Seifert, W., Mandel, H., Geuer, L., Schäffner, L., Thimm, G., Seeman, U., Tietz, J., & Wagner, K. (2016). A high-resolution spectrograph for the 72cm Waltz Telescope at Landessternwarte, Heidelberg. In C. J. Evans, L. Simard, & H. Hideki (Eds.), Ground-Based and Airborne Instrumentation for Astronomy VI (pp. 1-7). [99086O] (Proceedings of SPIE; Vol. 9908). SPIE. https://doi.org/10.1117/12.2232730

@inproceedings{35821b8f1638407db38db185d39c4b11,

title = "A high-resolution spectrograph for the 72cm Waltz Telescope at Landessternwarte, Heidelberg",

abstract = "The Waltz Spectrograph is a fiber-fed high-resolution {\'e}chelle spectrograph for the 72 cm Waltz Telescope at the Landessternwarte, Heidelberg. It uses a 31.6 lines/mm 63.5° blaze angle {\'e}chelle grating in white-pupil configuration, providing a spectral resolving power of R ∼ 65,000 covering the spectral range between 450-800nm in one CCD exposure. A prism is used for cross-dispersion of {\'e}chelle orders. The spectrum is focused by a commercial apochromat onto a 2k×2k CCD detector with 13.5μm per pixel. An exposure meter will be used to obtain precise photon-weighted midpoints of observations, which will be used in the computation of the barycentric corrections of measured radial velocities. A stabilized, newly designed iodine cell is employed for measuring radial velocities with high precision. Our goal is to reach a radial velocity precision of better than 5 m/s, providing an instrument with sufficient precision and sensitivity for the discovery of giant exoplanets. Here we describe the design of the Waltz spectrograph and early on-sky results.",

keywords = "Doppler method, Echelle, Iodine cell, Radial velocities",

author = "M. Tala and P. Heeren and M. Grill and Harris, {R. J.} and J. St{\"u}rmer and C. Schwab and T. Gutcke and S. Reffert and A. Quirrenbach and W. Seifert and H. Mandel and L. Geuer and L. Sch{\"a}ffner and G. Thimm and U. Seeman and J. Tietz and K. Wagner",

year = "2016",

doi = "10.1117/12.2232730",

language = "English",

isbn = "9781510601956",

series = "Proceedings of SPIE",

publisher = "SPIE",

pages = "1--7",

editor = "Evans, {Christopher J.} and Luc Simard and Hideki Hideki",

booktitle = "Ground-Based and Airborne Instrumentation for Astronomy VI",

address = "United States",

note = "Ground-Based and Airborne Instrumentation for Astronomy VI ; Conference date: 26-06-2016 Through 30-06-2016",

}

Tala, M, Heeren, P, Grill, M, Harris, RJ, Stürmer, J, Schwab, C, Gutcke, T, Reffert, S, Quirrenbach, A, Seifert, W, Mandel, H, Geuer, L, Schäffner, L, Thimm, G, Seeman, U, Tietz, J & Wagner, K 2016, A high-resolution spectrograph for the 72cm Waltz Telescope at Landessternwarte, Heidelberg. in CJ Evans, L Simard & H Hideki (eds), Ground-Based and Airborne Instrumentation for Astronomy VI., 99086O, Proceedings of SPIE, vol. 9908, SPIE, Bellingham, Washington, pp. 1-7, Ground-Based and Airborne Instrumentation for Astronomy VI, Edinburgh, United Kingdom, 26/06/16. https://doi.org/10.1117/12.2232730

A high-resolution spectrograph for the 72cm Waltz Telescope at Landessternwarte, Heidelberg. / Tala, M.; Heeren, P.; Grill, M. et al.
Ground-Based and Airborne Instrumentation for Astronomy VI. ed. / Christopher J. Evans; Luc Simard; Hideki Hideki. Bellingham, Washington: SPIE, 2016. p. 1-7 99086O (Proceedings of SPIE; Vol. 9908).

Research output: Chapter in Book/Report/Conference proceeding › Conference proceeding contribution › peer-review

TY - GEN

T1 - A high-resolution spectrograph for the 72cm Waltz Telescope at Landessternwarte, Heidelberg

AU - Tala, M.

AU - Heeren, P.

AU - Grill, M.

AU - Harris, R. J.

AU - Stürmer, J.

AU - Schwab, C.

AU - Gutcke, T.

AU - Reffert, S.

AU - Quirrenbach, A.

AU - Seifert, W.

AU - Mandel, H.

AU - Geuer, L.

AU - Schäffner, L.

AU - Thimm, G.

AU - Seeman, U.

AU - Tietz, J.

AU - Wagner, K.

PY - 2016

Y1 - 2016

N2 - The Waltz Spectrograph is a fiber-fed high-resolution échelle spectrograph for the 72 cm Waltz Telescope at the Landessternwarte, Heidelberg. It uses a 31.6 lines/mm 63.5° blaze angle échelle grating in white-pupil configuration, providing a spectral resolving power of R ∼ 65,000 covering the spectral range between 450-800nm in one CCD exposure. A prism is used for cross-dispersion of échelle orders. The spectrum is focused by a commercial apochromat onto a 2k×2k CCD detector with 13.5μm per pixel. An exposure meter will be used to obtain precise photon-weighted midpoints of observations, which will be used in the computation of the barycentric corrections of measured radial velocities. A stabilized, newly designed iodine cell is employed for measuring radial velocities with high precision. Our goal is to reach a radial velocity precision of better than 5 m/s, providing an instrument with sufficient precision and sensitivity for the discovery of giant exoplanets. Here we describe the design of the Waltz spectrograph and early on-sky results.

AB - The Waltz Spectrograph is a fiber-fed high-resolution échelle spectrograph for the 72 cm Waltz Telescope at the Landessternwarte, Heidelberg. It uses a 31.6 lines/mm 63.5° blaze angle échelle grating in white-pupil configuration, providing a spectral resolving power of R ∼ 65,000 covering the spectral range between 450-800nm in one CCD exposure. A prism is used for cross-dispersion of échelle orders. The spectrum is focused by a commercial apochromat onto a 2k×2k CCD detector with 13.5μm per pixel. An exposure meter will be used to obtain precise photon-weighted midpoints of observations, which will be used in the computation of the barycentric corrections of measured radial velocities. A stabilized, newly designed iodine cell is employed for measuring radial velocities with high precision. Our goal is to reach a radial velocity precision of better than 5 m/s, providing an instrument with sufficient precision and sensitivity for the discovery of giant exoplanets. Here we describe the design of the Waltz spectrograph and early on-sky results.

KW - Doppler method

KW - Echelle

KW - Iodine cell

KW - Radial velocities

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U2 - 10.1117/12.2232730

DO - 10.1117/12.2232730

M3 - Conference proceeding contribution

AN - SCOPUS:85007227223

SN - 9781510601956

T3 - Proceedings of SPIE

SP - 1

EP - 7

BT - Ground-Based and Airborne Instrumentation for Astronomy VI

A2 - Evans, Christopher J.

A2 - Simard, Luc

A2 - Hideki, Hideki

PB - SPIE

CY - Bellingham, Washington

T2 - Ground-Based and Airborne Instrumentation for Astronomy VI

Y2 - 26 June 2016 through 30 June 2016

ER -

A high-resolution spectrograph for the 72cm Waltz Telescope at Landessternwarte, Heidelberg

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