PASIPHAE will measure the polarization induced by the ISM on starlight in order to map the magnetic field in 3 dimensions.

3-dimensional ISM properties and their effect on searches for B-modes

Searching for inflationary B modes: can dust emission properties be extrapolated from 350 GHz to 150 GHz? - MNRAS, 451, L90 (2015)   K. Tassis & V. Pavlidou

Maps of the number of HI clouds along the line of sight at high galactic latitude - ApJ, 902, 22 (2020)   G. V. Panopoulou & D. Lenz

Evidence for Line-of-Sight Frequency Decorrelation of Polarized Dust Emission in Planck Data - A&A, 647, 16 (2021)   V. Pelgrims, S. E. Clark, B. S. Hensley, G. V. Panopoulou, V. Pavlidou, K. Tassis, H. K. Eriksen, I. K. Wehus

The effect of cosmic variance on the characteristics of dust polarization power spectra - A&A, 658, 19 (2022)   V. Pelgrims, E. Ntormousi & K. Tassis

Polarization power spectra and dust cloud morphology - A&A, accepted (2022)    A. Konstantinou, V. Pelgrims, F. Fuchs & K. Tassis

Tomography of the magnetic field

Demonstration of magnetic field tomography with starlight polarization towards a diffuse sightline of the ISM - ApJ, 872, 56 (2019)   Georgia V. Panopoulou, Konstantinos Tassis, Raphael Skalidis, Dmitriy Blinov, Ioannis Liodakis, Vasiliki Pavlidou, Stephen B. Potter, Anamparambu N. Ramaprakash, Anthony C. S. Readhead, Ingunn K. Wehus

PASIPHAE: A high-Galactic-latitude, high-accuracy optopolarimetric survey - arXiv:1810.05652   Konstantinos Tassis, Anamparambu N. Ramaprakash, Anthony C. S. Readhead, Stephen B. Potter, Ingunn K. Wehus, Georgia V. Panopoulou, Dmitry Blinov, Hans Kristian Eriksen, Brandon Hensley, Ata Karakci, John A. Kypriotakis, Siddharth Maharana, Evangelia Ntormousi, Vasiliki Pavlidou, Timothy J. Pearson, Raphael Skalidis

Starlight-polarization-based tomography of the magnetized ISM: Pasiphae's line-of-sight inversion method - A&A, 670, A164 (2023)   V. Pelgrims, G. V. Panopoulou, K. Tassis, V. Pavlidou, A. Basyrov, D. Blinov, E. Gjerløw, S. Kiehlmann, N. Mandarakas, A. Papadaki, R. Skalidis, A. Tsouros, R. M. Anche, H. K. Eriksen, T. Ghosh, J. A. Kypriotakis, S. Maharana, E. Ntormousi, T. J. Pearson, S. B. Potter, A. N. Ramaprakash, A. C. S. Readhead, I. K. Wehus

ISM polarization far from the Galactic plane

Local Measurements of the Mean Interstellar Polarization at High Galactic Latitudes - A&A, 616, A52 (2018)   R. Skalidis, G. V. Panopoulou, K. Tassis, V. Pavlidou, D. Blinov, I. Komis, I. Liodakis

ISM polarization

Extreme starlight polarization in a region with highly polarized dust emission - A&A, 624, L8 (2019)   Georgia V. Panopoulou, Brandon S. Hensley, Raphael Skalidis, Dmitry Blinov, Konstantinos Tassis

3D structure of the local magnetized ISM

Local Bubble contribution to the 353-GHz dust polarized emission - A&A, 631, L11 (2019)   R. Skalidis & V. Pelgrims

Modeling the magnetized Local Bubble from dust data - A&A, 636, 15 (2020)    V. Pelgrims, K. Ferriere, F. Boulanger, R. Lallement & L. Montier

Galactic magnetometry

High-accuracy estimation of magnetic field strength in the interstellar medium from dust polarization - A&A, 647, 9 (2021)   R. Skalidis & K. Tassis

Why take the square root? An assessment of interstellar magnetic field strength estimation methods - A&A, 656, 12 (2021)   R. Skalidis, J. Sternberg, J. R. Beattie, V. Pavlidou, K. Tassis

HI-H2 transition: exploring the role of the magnetic field - A&A, 665, A77 (2022)   R. Skalidis, K. Tassis, G. V. Panopoulou, J. L. Pineda, Y. Gong, N. Mandarakas, D. Blinov, S. Kiehlmann, J. A. Kypriotakis


Lifting the dusty veil over inflation - Nature Astronomy, 5, 519 (2021) A. Ramaprakash, A. C. S. Readhead and K. Tassis

WALOP-South: A Four Camera One Shot Imaging Polarimeter for PASIPHAE Survey. Paper I — Optical Design - Accepted to JATIS   Siddharth Maharana, John A. Kypriotakis, A. N. Ramaprakash, Chaitanya Rajarshi, Ramya M. Anche, Shrish, Dmitry Blinov, Hans Kristian Eriksen, Tuhin Ghosh, Eirik Gjerløw, Nikolaos Mandarakas, Georgia V. Panopoulou, Vasiliki Pavlidou, Timothy J. Pearson, Vincent Pelgrims, Stephen B. Potter, Anthony C. S. Readhead, Raphael Skalidis, Konstantinos Tassis, Ingunn K. Wehus

WALOP-South: A wide-field one-shot linear optical polarimeter for PASIPHAE survey - SPIE Proceedings Vol. 11447, Ground-based and Airborne Instrumentation for Astronomy VIII; 114475E (2020)   Siddharth Maharana, John A. Kypriotakis, A. N. Ramaprakash, Pravin Khodade, Chaitanya Rajarshi, Bhushan S. Joshi, Pravin Chordia, Ramya M. Anche, Shrish Mishra, Dmitry Blinov, Hans Kristian Eriksen, Tuhin Ghosh, Eirik Gjerløw, Nikolaos Mandarakas, Georgia V. Panopoulou, Vasiliki Pavlidou, Timothy J. Pearson, Vincent Pelgrims, Stephen B. Potter, Anthony C. S. Readhead, Raphael Skalidis, Konstantinos Tassis, Ingunn K. Wehus

Stress-induced birefringence in the lenses of Wide-Area Linear Optical Polarimeter-South - Proceedings of the SPIE, Vol. 12188, id. 121882C, p. 13 (2022)    Anche Ramya M., Maharana Siddharth, Ramaprakash A. N., Khodade Pravin, Modi Deepa, Rajarshi Chaitanya, Kypriotakis John A., Blinov Dmitry, Eriksen Hans Kristian, Ghosh Tuhin, Panopoulou Georgia V., Pelgrims Vincent, Skalidis Raphael, Pearson Timothy J., Gjerløw Eirik, Mandarakas Nikolaos, Pavlidou Vasiliki, Potter Stephen B., Readhead Anthony C. S., Tassis Konstantinos, Basyrov Artem, Papadaki Katerina, Svalheim Trygve Leithe, Wehus Ingunn K.

WALOP-South: a four-camera one-shot imaging polarimeter for PASIPHAE survey. Paper II - polarimetric modeling and calibration - JATIS, Vol. 8, id. 038004 (2022)   Siddharth Maharana, Ramya M. Anche, A. N. Ramaprakash, Bhushan Joshi, Artem Basyrov, Dmitry Blinov, Carolina Casadio, Kishan Deka, Hans Kristian Eriksen, Tuhin Ghosh, Eirik Gjerløw, John A. Kypriotakis, Sebastian Kiehlmann, Nikolaos Mandarakas, Georgia V. Panopoulou, Katerina Papadaki, Vasiliki Pavlidou, Timothy J. Pearson, Vincent Pelgrims, Stephen B. Potter, Anthony C. S. Readhead, Raphael Skalidis, Trygve Leithe Svalheim, Konstantinos Tassis, Ingunn K. Wehus

Polarimetric standards & calibration of polarimeters

The RoboPol sample of optical polarimetric standards - arXiv:2307.06151   D. Blinov, S. Maharana, F. Bouzelou, C. Casadio, E. Gjerløw, J. Jormanainen, S. Kiehlmann, J. A. Kypriotakis, I. Liodakis, N. Mandarakas, L. Markopoulioti, G. V. Panopoulou, V. Pelgrims, A. Pouliasi, S. Romanopoulos, R. Skalidis, R. M. Anche, E. Angelakis, J. Antoniadis, B. J. Medhi, T. Hovatta, A. Kus, N. Kylafis, A. Mahabal, I. Myserlis, E. Paleologou, I. Papadakis, V. Pavlidou, I. Papamastorakis, T. J. Pearson, S. B. Potter, A. N. Ramaprakash, A. C. S. Readhead, P. Reig, A. Słowikowska, K. Tassis, J. A. Zensus

Bright-Moon Sky as a Wide-Field Linear Polarimetric Flat Source for Calibration - arXiv:2305.04270   S. Maharana, S. Kiehlmann, D. Blinov, V. Pelgrims, V. Pavlidou, K. Tassis, J. A. Kypriotakis, A. N. Ramaprakash, R. M. Anche, A. Basyrov, K. Deka, H. K. Eriksen, T. Ghosh, E. Gjerløw, N. Mandarakas, E. Ntormousi, G. V. Panopoulou, A. Papadaki, T. Pearson, S. B. Potter, A. C. S. Readhead, R. Skalidis, I. K. Wehus

Side projects

Search for AGN counterparts of unidentified Fermi-LAT sources with optical polarimetry: Demonstration of the technique - A&A, 623, A61 (2019)
   N. Mandarakas, D. Blinov, I. Liodakis, K. Kouroumpatzakis, A. Zezas, G. V. Panopoulou, I. Myserlis, E. Angelakis, T. Hovatta, S. Kiehlmann, K. Kokolakis, E. Paleologou, A. Pouliasi, R. Skalidis, V. Pavlidou

Probing the unidentified Fermi blazar-like population using optical polarization and machine learning - MNRAS, 486, 3415 (2019)
   I. Liodakis and D. Blinov

Software & Methods

  • Pasiphae's line-of-sight inversion method reported in this paper is implemented in the code available here.

Capabilities demonstration video                                                                                                                                                                              Credits: Fabian Fuchs, Vangelis Pantoulas, Vincent Pelgrims

© 2017 – 2022 PASIPHAE collaboration