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©2019 by John A. Kypriotakis

Projects

Optical counterparts/Theory and observations in polarimetry of Pulsars

2018 ongoing

This project's goal is to study the optical emission of pulsars both with respect to their spectral properties and with respect to their polarization properties in those wavelengths. To do that, a first step is to create a catalog of optical counterparts to the already detected radio pulsars (Manchester et. al. 2004 +).

On this note, I have searched the PANSTARRS-1 catalog for counterparts given the ephemerids of the pulsars in the ATNF catalog. A map of the spatial distribution (in galactic corrdinates) of the 18 preliminarly detected pulsars follows:

Spatial distribution of the preliminarly detected pulsars in galactic coordinates. Red denotes millisecond pulsars.

Polarimetry with PASIPHAE

2017 ongoing

Spectral-Line mapping of the physical parameters of supernova remnants in our Galaxy.

2016 ongoing

This project's goal was to use spectral-line mapping techniques to measure physical parameters for supernova remnants in oure Galaxy. We took advantage of narrow-band imaging as opposed to the classical usage of spectroscopy, thus being able to map the parameters in hand, instead of measuring their values inside a slit. Additionally we produced an automated python pipeline to automatically repeat the analysis. This is a work still in process, so for the time being the following is the only publishable result:

False-color image of the G67.8+0.5 SNR in optical wavelengths. With red we depict Ha 6562.8 Å line, with blue the [SII] 6716.3Å, 6730.7Å lines and with green the [OIII] 5006.8 Å line.

High steeady-state column density of I(2P3/2) atoms from I2 photodissociation. Towards parity non-conservation measurements.

Conducted 2014, Published 2016

(a) Schematic of the experimental setup used for the study of atomic iodine production from photodissociation of molecular iodine at 532 nm. (b) The iodine glass cell. (c) The iodine cell with the green photodissociating laser passing through it.