Sebastiaan Haffert
Assistant professor
- Name
- Dr. S.Y. Haffert
- Telephone
- 071 5278492
- haffert@strw.leidenuniv.nl
- ORCID iD
- 0000-0001-5130-9153
ᅠ
Assistant professor
- Science
- Sterrewacht
- Sterrewacht
- Xie C., Haffert S.Y., Boer J. de, Kenworthy M.A., Brinchmann J., Girard J., Snellen I.A.G. & Keller C.U. (2021), A MUSE view of the asymmetric jet from HD 163296, Astronomy and Astrophysics 650: L6.
- Xie C., Haffert S.Y., Boer J. de, Kenworthy M.A., Brinchmann J., Girard J., Snellen I.A.G. & Keller C.U. (2020), Searching for proto-planets with MUSE, Astronomy and Astrophysics 644: A149.
- Haffert S.Y., Por E.H., Keller C.U., Kenworthy M.A., Doelman D.S., Snik F. & Escuti M.J. (2020), The Single-mode Complex Amplitude Refinement (SCAR) coronagraph. II. Lab verification, and toward the characterization of Proxima b, Astronomy and Astrophysics 635: A56.
- Haffert S.Y., Holstein R.G. van, Ginski C., Brinchmann J., Snellen I.A.G., Milli J. Stolker T., Keller C.U. & Girard J. (2020), CS Cha B: a disc-obscured M-type star mimicking a polarised planetary companion, Astronomy and Astrophysics 640: L12.
- Haffert S.Y., Harris R.J., Zanutta A., Pike F.A., Bianco A., Redaelli E., Benoit A., MacLachlan D.G., Ross C.A., Gris-Sánchez I., Trappen M.D., Xu Y., Blaicher M., Maier P., Riva G., Sinquin B., Kulcsár C., Bharmal N.A., Gendron E., Staykov L., Morris T.J., Barboza S., Muench N., Bardou L., Prengère L., Raynaud H.-F., Hottinger P., Anagnos T., Osborn J., Koos C., Thomson R.R., Birks T.A., Snellen I.A.G. & Keller C.U. (2020), Diffraction-limited integral-field spectroscopy for extreme adaptive optics systems with the multicore fiber-fed integral-field unit, Journal of Astronomical Telescopes, Instruments, and Systems 6(4): 045007.
- Por E.H. & Haffert S.Y. (2020), The Single-mode Complex Amplitude Refinement (SCAR) coronagraph. I. Concept, theory, and design, Astronomy and Astrophysics 635: A55.
- Landman R. & Haffert S.Y. (2020), Nonlinear wavefront reconstruction with convolutional neural networks for Fourier-based wavefront sensors, Optics Express 28(11): 16644-16657.
- Landman R, Haffert S.Y., Radhakrishnan V.M. & Keller C.U. (2020), Self-optimizing adaptive optics control with reinforcement learning. Schmidt D., Schreiber L. & Vernet E. (Eds.), Proceedings Volume 11448, Adaptive Optics Systems VII. SPIE Astronomical Telescopes + Instrumentation 2020 14 December 2020 - 18 December 2020 no. 11448: SPIE.
- Boccaletti A., Chauvin G., Mouillet D., Absil O., Allard F., Antoniucci S., Augereau J.C., Barge P., Baruffolo A., Baudino J.L., Baudoz P., Beaulieu M., Benisty M., Beuzit J.L., Bianco A., Biller B., Bonavita B., Bonnefoy M., Bos S., Bouret J.C., Brandner W., Buchschache N., Carry B., Cantalloube F., Cascone E., Carlotti A., Charnay B., Chiavassa A., Choquet E., Clenet Y., Crida A., Boer J. de, Caprio V. de, Desidera S., Desert J.M., Delisle J.B., Delorme P., Dohlen K., Doelman D.S., Dominik C., Orazi V.D., Dougados C., Doute S., Fedele D., Feldt M., Ferreira F., Fontanive C., Fusco T., Galicher R., Garufi A., Gendron E., Ghedina A., Ginski C., Gonzalez J.F., Gratadour D., Gratton R., Guillot T., Haffert S.Y., Hagelberg J., Henning T., Huby E., Janson M., Kamp I., Keller C., Kenworthy M.A., Kervella P., Kral Q., Kuhn J., Lagadec E., Laibe G., Langlois M., Lagrange A.M., Launhardt R., Leboulleux L., Coroller H.Le., Causi G.Li., Loupias M., Maire A.L., Marleau G., Martinache F., Martinez P., Mary D., Mattioli M., Mazoyer J., Meheut H., Menard F., Mesa D., Meunier N., Miguel Y., Milli J., Min M., Molliere P.M., Mordasini C., Moretto G., Mugnier L., Arena G.Muro., Nardetto N., Diaye M.N., Nesvadba N., Pedichini F., Pinilla P., Por E.H., Potier A., Quanz S., Rameau J., Roelfsema R., Rouan D., Rigliaco E., Salasnich B., Samland M., Sauvage J.F., Schmid H.M., Segransan D., Snellen I.A.G., Snik F., Soulez F., Stadler E., Stam D., Tallon M., Thebault P., Thiebaut E., Tschudi C., Udry S., Holstein R.G. van, Vernazza P., Vidal F., Vigan A., Waters R., Wildi F., Willson M., Zanutta A., Zavagno A. & Zurlo A. (2020), SPHERE+: imaging young Jupiters down to the snowline. arXiv. [white paper].
- Anagnos T., Maier P., Hottinger P., Betters C.H., Feger T., Leon-Saval S.G., Gris-Sanchez I., Yerolatsitis S., Lozi J., Birks T.A., Vievard S., Jovanovic N., Rains A.D., Ireland M.J., Harris R.J., Kuo Tiong B.C., Guyon O., Norris B., Haffert S.Y., Blaicher M., Xu Y., Straub M., Pott J.-U., Sawodny O., Neureuther P.L., Coutts D.W., Schwab C., Koos C. & Quirrenbach A. (2020), An innovative integral field unit upgrade with 3D-printed micro-lenses for the RHEA at Subaru. Navarro R. & Geyl R. (Eds.), Proceedings Volume 11451, Advances in Optical and Mechanical Technologies for Telescopes and Instrumentation IV. SPIE Astronomical Telescopes + Instrumentation 2020 14 December 2020 - 18 December 2020 no. 11451: SPIE. 114516Y.
- Pike F.A., Benoit A., MacLachlan D.G., Ross C.A., Harris R.J., Haffert S.Y., Gris-Sanchez I., Birks T.A. & Thomson R.R. (2020), Multi-core fiber-fed integral field spectrograph (MCIFU) - III: an ultrafast laser inscribed photonic reformatter and mask. Navarro R. & Geyl R. (Eds.), Proceedings Volume 11451, Advances in Optical and Mechanical Technologies for Telescopes and Instrumentation IV. SPIE Astronomical Telescopes + Instrumentation 2020 14 December 2020 - 18 December 2020 no. 11451: SPIE. 1145166.
- Harris R.J., Pike F.A., Trappen M., Haffert S.Y., Xu Y., Benoit A., Ross C., MacLachlan D.G., Barboza S., Munch N., Gris-Sanchez I., Blaicher M., Maier P., Koos C., Birks T.A. & Thomson R.R. (2020), Multi-core fibre-fed integral field spectrograph (MCIFU) IV: the fiber link. Navarro R. & Geyl R. (Eds.), Proceedings Volume 11451, Advances in Optical and Mechanical Technologies for Telescopes and Instrumentation IV. SPIE Astronomical Telescopes + Instrumentation 2020 14 December 2020 - 18 December 2020 no. 11451: SPIE. 1145124.
- Haffert S.Y., Harris R.J., Zanutta A., Pike F.A., Bianco A., Redaelli E., Benoit A., MacLachlan D.G., Ross C.A., Gris-Sanchez I., Trappen M.D., Xu Y., Blaicher M., Maier P., Riva G., Sinquin B., Kulcsar C., Bharmal N.A., Gendron E., Staykov L., Morris T.J., Barboza S., Muench N., Bardour L., Prengere L., Raynaud H.-F., Hottinger P., Anagnos T., Osborn J., Koos C., Thompson R.R., Birks T.A., Snellen I.A.G., Keller C.U., Close L. & Males J.R. (2020), Multi-core fibre-fed integral-field unit (MCIFU): overview and first-light. Schreiber L., Schmidt D. & Vernet E. (Eds.), Proceedings Volume 11448, Adaptive Optics Systems VII. SPIE Astronomical Telescopes + Instrumentation 2020 14 December 2020 - 18 December 2020 no. 11448: SPIE. 114484M.
- Close L.M., Males J., Long J.D., Gorkom K. van, Hedglen A.D., Kautz M., Lumbres J., Haffert S.Y., Follette K., Wagner K., Miller K.L., Apai D., Wu Y.-L., Guyon O., Schatz L., Rodack A., Doelman D.S., Snik F., Knight J.M., Morzinski K., Gasho V., Keller C.U., Pearce L., Weinberger A., Perez L. & Doyon R. (2020), Prediction of the planet yield of the MaxProtoPlanetS high-contrast survey for H-alpha protoplanets with MagAO-X based on first light contrasts. Schreiber L., Schmidt D. & Vernet E. (Eds.), Proceedings Volume 11448, Adaptive Optics Systems VII. SPIE Astronomical Telescopes + Instrumentation 2020 14 December 2020 - 18 December 2020 no. 11448: SPIE. 114480U.
- Haffert S.Y. (26 November 2019), High-resolution integral-field spectroscopy of exoplanets (Dissertatie. Sterrewacht, Science, Leiden). Supervisor(s) and Co-supervisor(s): Keller C., Snellen I.
- Haffert S.Y., Bohn A.J., Boer J.de, Snellen I.A.G., Brinchmann J., Girard J.H., Keller C.U. & Bacon R. (2019), Two accreting protoplanets around the young star PDS 70, Nature Astronomy 3: 749-754.
- Haffert S.Y., Por E.H. & Keller C.U. (2019), Highly multiplexed Bragg gratings for large field of view gas sensing in planetary atmospheres, Optics Express 27(23): 33925-33941.
- Haffert S.Y., Wilby M.J., Keller C.U., Snellen I.A.G., Doelman D.S., Por E.H., Kooten M. van, Bos S.P. & Wardenier J. (2018), On-sky results of the Leiden EXoplanet Instrument (LEXI). Close L.M., Schreiber L. & Schmidt D. (Eds.), Proceedings Adaptive Optics Systems VI. SPIE Astronomical Telescopes + Instrumentation 10 June 2018 - 15 June 2018 no. 10703: SPIE. 1070323.
- Ruane G., Riggs A., Mazoyer J., Por E.H., N'Diaye M., Huby E., Baudoz P., Galicher R., Douglas E., Knight J., Carlomagno B., Fogarty K., Pueyo L., Zimmerman N., Absil O., Beaulieu M., Cady E., Carlotti A., Doelman D., Guyon O., Haffert S., Jewell J., Jovanovic N., Keller C., Kenworthy M.A., Kuhn J., Miller K., Sirbu D., Snik F., Wallace J.K., Wilby M. & Ygouf M. (2018), Review of high-contrast imaging systems for current and future ground- and space-based telescopes I: coronagraph design methods and optical performance metrics. Lystrup M., MacEwen H.A., Fazio G.G., Batalha N., Siegler N. & Tong E.C. (Eds.), Space Telescopes and Instrumentation 2018: Optical, Infrared, and Millimeter Wave. SPIE Astronomical Telescopes + Instrumentation 10 June 2018 - 15 June 2018 no. 10698: SPIE. 106982S.
- Jovanovic N., Absil O., Baudoz P., Beaulieu M., Bottom M., Cady E., Carlomagno B., Carlotti A., Doelman D., Fogarty K., Galicher R., Guyon O., Haffert S., Huby E., Jewell J., Keller C., Kenworthy M.A., Knight J., Kühn J., Miller K., Mazoyer J., N'Diaye M., Por E., Pueyo L., Riggs A.J.E., Ruane G., Sirbu D., Snik F., Wallace J.K., Wilby M. & Ygouf M. (2018), Review of high-contrast imaging systems for current and future ground-based and space-based telescopes: Part II. Common path wavefront sensing/control and coherent differential imaging. Close L.M. & Schreiber Schmidt D. (Eds.), Proceedings Adaptive Optics Systems VI. SPIE Astronomical Telescopes + Instrumentation 10 June 2018 - 15 June 2018 no. 10703: SOIE. 107031U.
- Por E.H., Haffert S.Y., Radhakrishnan V.M., Doelman D.S., Kooten M. van & Bos S.P. (2018), High Contrast Imaging for Python (HCIPy): an open-source adaptive optics and coronagraph simulator. Close L.M., Schreiber L. & Schmidt D. (Eds.), Society of Photo-Optical Instrumentation Engineers (SPIE) Conference Series. SPIE Astronomical Telescopes + Instrumentation 10 June 2018 - 15 June 2018 no. 10703: SPIE. 1070342.
- Snik F., Absil O., Baudoz P., Beaulieu M., Bendek E., Cady E., Carlomagno B., Carlotti A., Cvetojevic N., Doelman D., Fogarty K., Galicher R., Guyon O., Haffert S., Huby E., Jewell J., Jovanovic N., Keller C., Kenworthy M.A., Knight J., Kuhn J., Mazoyer J., Miller K., N'Diaye M., Norris B., Por E., Pueyo L., Riggs A.J.E., Ruane G., Sirbu D., Wallace J.K., Wilby M. & Ygouf M. (2018), Review of high-contrast imaging systems for current and future ground-based and space-based telescopes III: technology opportunities and pathways. Navarro R. & Geyl R. (Eds.), Advances in Optical and Mechanical Technologies for Telescopes and Instrumentation III. SPIE Astronomical Telescopes + Instrumentation 10 June 2018 - 15 June 2018 no. 10706: SPIE. 107062L.
- Wilby M.J., Keller C.U., Haffert S., Korkiakoski V.A., Snik F. & Pietrow A.G.M. (2016), Designing and testing the coronagraphic Modal Wavefront Sensor: a fast non-common path error sensor for high-contrast imaging, Society of Photo-Optical Instrumentation Engineers (SPIE) Conference Series. SPIE no. 9909 990921.
- Haffert S.Y., Wilby M.J., Keller C.U. & Snellen I.A.G. (2016), The Leiden EXoplanet Instrument (LEXI): a high-contrast high-dispersion spectrograph, Society of Photo-Optical Instrumentation Engineers (SPIE) Conference Series. no. 9908 990867.
- Haffert S.Y. (2016), Generalised optical differentiation wavefront sensor: a sensitive high dynamic range wavefront sensor, Optics Express 24(17): 18986-19007.
- Mooij E. de, Brogi M., Kok R., Snellen I.A.G., Croll B., Jayawardhana R., Hoekstra H., Otten G.P.P.L., Bekkers D., Haffert S. & Houdt J. van (2013), Search for Rayleigh Scattering in the Atmosphere of GJ1214b, The Astrophysical Journal 771: 109.