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STABLE_FABRY

Calibration of Astronomical Spectrographs with Stabilized Fabry-Perot Etalons

Total Cost €

0

EC-Contrib. €

0

Partnership

0

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 STABLE_FABRY project word cloud

Explore the words cloud of the STABLE_FABRY project. It provides you a very rough idea of what is the project "STABLE_FABRY" about.

transition    extrasolar    motivating    consists    resolution    grail    star    exoplanet    science    drifts    data    velocity    extremely    indispensable    removing    precision    preliminary    indicates    twins    frequency    track    perot    uses    spectroscopy    stabilized    zone    holy    solves    observatory    detections    stability    referencing    etalon    broadband    characterizing    building    easily    habitable    tool    earth    chicken    sun    fabry    precise    optimized    doppler    demonstrated    standard    laser    nearly    comb    ready    relatively    egg    technique    perturbation    expensive    breakthrough    radial    sources    simply    light    spectrographs    planet    measuring    instruments    calibrator    rv    visible    cm    limitations    imperfections    significantly    twin    magnitude    reached    detecting    planets    infrared    spectrograph    echelle    stable    parent    calibration    inexpensive    near    spectrum    atomic    perform    secure    imposes    detection   

Project "STABLE_FABRY" data sheet

The following table provides information about the project.

Coordinator
RUPRECHT-KARLS-UNIVERSITAET HEIDELBERG 

Organization address
address: SEMINARSTRASSE 2
city: HEIDELBERG
postcode: 69117
website: www.uni-heidelberg.de

contact info
title: n.a.
name: n.a.
surname: n.a.
function: n.a.
email: n.a.
telephone: n.a.
fax: n.a.

 Coordinator Country Germany [DE]
 Project website http://www.lsw.uni-heidelberg.de
 Total cost 159˙460 €
 EC max contribution 159˙460 € (100%)
 Programme 1. H2020-EU.1.3.2. (Nurturing excellence by means of cross-border and cross-sector mobility)
 Code Call H2020-MSCA-IF-2014
 Funding Scheme MSCA-IF-EF-ST
 Starting year 2016
 Duration (year-month-day) from 2016-04-15   to  2018-04-30

 Partnership

Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 
1    RUPRECHT-KARLS-UNIVERSITAET HEIDELBERG DE (HEIDELBERG) coordinator 159˙460.00

Map

 Project objective

The “holy grail” of exoplanet research today is the detection of an Earth-like planet in the habitable zone of a Sun-like star. Doppler spectroscopy is an indispensable tool for finding and characterizing extrasolar planets; however, detecting an Earth twin by measuring the radial velocity (RV) perturbation it imposes on the parent star requires nearly one order of magnitude better RV precision than the best current spectrographs provide. A key component in addressing the limitations of existing instruments is the development of extremely precise calibration light sources that can be used to track drifts and imperfections of the spectrograph, removing them from the science data. A stable, reliable, and relatively inexpensive calibrator solves a “chicken and egg” problem in the field – motivating the building of more stable spectrographs, secure in the knowledge that they will be able to perform to their potential. Project STABLE_FABRY consists of developing a novel calibration technique that can be applied to a wide range of high resolution spectrographs. This technique uses a broadband Fabry-Perot etalon to provide the calibration spectrum; the etalon is stabilized by referencing it to an atomic transition using standard laser spectroscopy methods. Our preliminary work already indicates that a stability of 3 cm/s can be reached with this method, making it precise enough for detection of Earth-like planets. The only other currently available calibration technology with demonstrated precision at that level is the laser frequency comb, which is an order of magnitude more complex and significantly more expensive. Our technique can easily be adapted to different echelle spectrographs in the visible and near infrared by simply using an etalon optimized for that particular spectrograph. Developing this concept into an observatory-ready system will present a major breakthrough for high precision spectrographs, enabling detections of Earth twins with Doppler spectroscopy.

 Publications

year authors and title journal last update
List of publications.
2016 C. Schwab, N. Jovanovic, T. Feger, M. Bakovic, Y. V. Gurevich, J. Stürmer, R. Apodaca, L. Vanzi, S. Rukdee, J. S. Lawrence, D. W. Coutts, N. Cvetojevic, S. Mahadevan, G. K. Stefánsson, S. P. Halverson, O. Guyon
Adaptive optics fed single-mode spectrograph for high-precision Doppler measurements in the near-infrared
published pages: 991274, ISSN: , DOI: 10.1117/12.2234407
Advances in Optical and Mechanical Technologies for Telescopes and Instrumentation II 2019-06-18
2016 C. Schwab, A. Rakich, Q. Gong, S. Mahadevan, S. P. Halverson, A. Roy, R. C. Terrien, P. M. Robertson, F. R. Hearty, E. I. Levi, A. J. Monson, J. T. Wright, M. W. McElwain, C. F. Bender, C. H. Blake, J. Stürmer, Y. V. Gurevich, A. Chakraborty, L. W. Ramsey
Design of NEID, an extreme precision Doppler spectrograph for WIYN
published pages: 99087H, ISSN: , DOI: 10.1117/12.2234411
Ground-based and Airborne Instrumentation for Astronomy VI 2019-06-18
2017 J Baron, W C Campbell, D DeMille, J M Doyle, G Gabrielse, Y V Gurevich, P W Hess, N R Hutzler, E Kirilov, I Kozyryev, B R O’Leary, C D Panda, M F Parsons, B Spaun, A C Vutha, A D West, E P West, ACME Collaboration
Methods, analysis, and the treatment of systematic errors for the electron electric dipole moment search in thorium monoxide
published pages: 73029, ISSN: 1367-2630, DOI: 10.1088/1367-2630/aa708e
New Journal of Physics 19/7 2019-06-18

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