Micro Lux Chants (at RAW conference 2017, University of Texas at Dallas)

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An ongoing research project on the sonification of the life cycle of bioluminescent bacteria in collaboration with the Gassensmith Lab and the ArtSciLab at University of Texas at Dallas. Bioluminescence is the light that is produced naturally by organisms. Bacteria called Vibrio Fischeri live in the belly of the Hawaiian Bobtail Squid. These bioluminescent bacteria have a symbiotic relationship with the squid. We are experimenting on the sonification of the life cycle of these bioluminescent bacteria. What do they sound like during their lifetime? The Team Faculty: Jeremiah J Gassensmith, Scot Gresham Lancaster, Roger Malina, Cassini Nazir Students: Victoria Nguyen, Ritwik Kaikini, Anna Lynn Edwards, Ashton Brillante Presented at the RAW conference 2017, by School of Arts and Humanities at University of Texas at Dallas.

Sciences

Creatures of Light
Bristlemouths
Hawaiian Bobtail Squid
Lion’s Mane Jellyfish
Firefly
Algae at the seashore

Bioluminescence
Production and emission of light by organisms
Bio-chemical oxidation reaction
Hawaiian Bobtail Squid
Vibrio Fischeri

Gassensmith Lab
Jeremiah J Gassensmith
Chemistry and Biochemistry
Roger Malina
Arts and Technology
ArtSciLab
Bioluminescence in Art
Bioluminescence in Drug Delivery Systems
Bioluminescence and Sonification
Listening to Bioluminescent Bacteria?
Scot Gresham
Lancaster
Sound Design

1. Lag Phase 2.Log Phase 3.Stationary Phase
4.Death Phase
2 days +1 day +2 days
+2 days

Sonification
The use of any form of audio to convey information or data.
The data can be in the form of numbers, graph charts, images,
video or any other form.
Listening to data changes or just

Patches in Max/msp 7
Max/Msp is a visual programming
language
Patches are the programs written in Max.
A set of objects are connected together to
construct a patch.
PatchInput Output

Patch
Listening to the chants
from the bacteria
Diagnosis, Detection, Listening
Sound of bioluminescence
Visual footage of the
bacteria

Micro Lux Chants
To Sonify the Life Cycle of Bioluminescent Bacteria.
The prototype will help us determine the health of bacteria by
listening to them, enabling the prospect of a new form of
auscultation in medicine.
Listening to change is also seeing change.

Faculty
Jeremiah J Gassensmith
Scot Gresham Lancaster
Roger Malina
Cassini Nazir
Victoria Nguyen
Anna Lynn-Edwards
Ritwik Kaikini
Ashton Brillante
Kuo-Wei Lee
Students

Micro Lux Chants (at RAW conference 2017, University of Texas at Dallas)

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Context. WASP-76 b has been a recurrent subject of study since the detection of a signature in high-resolution transit spectroscopy data indicating an asymmetry between the two limbs of the planet. The existence of this asymmetric signature has been confirmed by multiple studies, but its physical origin is still under debate. In addition, it contrasts with the absence of asymmetry reported in the infrared (IR) phase curve. Aims. We provide a more comprehensive dataset of WASP-76 b with the goal of drawing a complete view of the physical processes at work in this atmosphere. In particular, we attempt to reconcile visible high-resolution transit spectroscopy data and IR broadband phase curves. Methods. We gathered 3 phase curves, 20 occultations, and 6 transits for WASP-76 b in the visible with the CHEOPS space telescope. We also report the analysis of three unpublished sectors observed by the TESS space telescope (also in the visible), which represents 34 phase curves. Results. WASP-76 b displays an occultation of 260±11 and 152±10 ppm in TESS and CHEOPS bandpasses respectively. Depending on the composition assumed for the atmosphere and the data reduction used for the IR data, we derived geometric albedo estimates that range from 0.05 ± 0.023 to 0.146 ± 0.013 and from <0.13 to 0.189 ± 0.017 in the CHEOPS and TESS bandpasses, respectively. As expected from the IR phase curves, a low-order model of the phase curves does not yield any detectable asymmetry in the visible either. However, an empirical model allowing for sharper phase curve variations offers a hint of a flux excess before the occultation, with an amplitude of ∼40 ppm, an orbital offset of ∼−30◦ , and a width of ∼20◦ . We also constrained the orbital eccentricity of WASP-76 b to a value lower than 0.0067, with a 99.7% confidence level. This result contradicts earlier proposed scenarios aimed at explaining the asymmetry observed in high-resolution transit spectroscopy. Conclusions. In light of these findings, we hypothesise that WASP-76 b could have night-side clouds that extend predominantly towards its eastern limb. At this limb, the clouds would be associated with spherical droplets or spherically shaped aerosols of an unknown species, which would be responsible for a glory effect in the visible phase curves.

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Micro Lux Chants (at RAW conference 2017, University of Texas at Dallas)

1. Listening to Bioluminescent Bacteria

2. Creatures of Light Bristlemouths Hawaiian Bobtail Squid Lion’s Mane Jellyfish Firefly Algae at the seashore

3. Bioluminescence Production and emission of light by organisms Bio-chemical oxidation reaction Hawaiian Bobtail Squid Vibrio Fischeri

4. Gassensmith Lab Jeremiah J Gassensmith Chemistry and Biochemistry Roger Malina Arts and Technology ArtSciLab Bioluminescence in Art Bioluminescence in Drug Delivery Systems Bioluminescence and Sonification Listening to Bioluminescent Bacteria? Scot Gresham Lancaster Sound Design

5. https://youtu.be/ebXHhfHOoWQ

6. 1. Lag Phase 2.Log Phase 3.Stationary Phase 4.Death Phase 2 days +1 day +2 days +2 days

7. Sonification The use of any form of audio to convey information or data. The data can be in the form of numbers, graph charts, images, video or any other form. Listening to data changes or just

8. Patches in Max/msp 7 Max/Msp is a visual programming language Patches are the programs written in Max. A set of objects are connected together to construct a patch. PatchInput Output

9. Patch Listening to the chants from the bacteria Diagnosis, Detection, Listening Sound of bioluminescence Visual footage of the bacteria

10.

11. Micro Lux Chants To Sonify the Life Cycle of Bioluminescent Bacteria. The prototype will help us determine the health of bacteria by listening to them, enabling the prospect of a new form of auscultation in medicine. Listening to change is also seeing change.

12. Faculty Jeremiah J Gassensmith Scot Gresham Lancaster Roger Malina Cassini Nazir Victoria Nguyen Anna Lynn-Edwards Ritwik Kaikini Ashton Brillante Kuo-Wei Lee Students

Micro Lux Chants (at RAW conference 2017, University of Texas at Dallas)

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