HOYS Citizen Science

Welcome to the HOYS Newsletter

In this newsletter we will give a brief update on the data collection for the project and our teacher training program HOYS-LCO2. This is followed by a call for suggestions for our next major outreach talk and new members to our advisory board. We conclude with a brief summary of the state of the scientific analysis of our data.

Best Regards,
Dirk Froebrich

HOYS and teacher training project update

A big thank you to all the participants that tirelessly keep taking, uploading and processing data to support the project. In the last few months we have seen several new participants starting to deliver data. We have now gathered more than 60,000 images in which we have made in excess of 250 million brightness measurements for scientific analysis. This does not include the ~1400 images already uploaded and awaiting processing, as well as several large datasets that we know have been taken and are being prepared for upload. Please keep observing all the targets visible as often as possible in all filters.
The second year of HOYS being a Global Sky Partner at the Las Cumbres Observatory is soon coming to an end, and we intend to apply for continuation of this status. This year we had 49 school teachers from 11 countries sign up to learn about remote observing with LCO and the science of HOYS. In the process we created a number of new online tools that allow participants to do their own small research projects with our data. These tools are available for everyone to use and you can find them on our website. It was very nice to see that many of the participating teachers involved their pupils in the project.
Figure: Cumulative number of images (blue line) observed and submitted to HOYS over time. The steeper the curve rises, the more images are submitted per day. Some notable events and campaigns are indicated with labels. The green ticks on the top indicate the publication dates of papers using HOYS data. The blue ticks at the bottom indicate dates of outreach talks given to amateur astronomer groups or conferences.

Request for Help

We will be giving an invited talk at the Advanced Imaging Conference in San Jose on May 20/21. We will use this opportunity to reach out to the conference participants. We will have a full hour for our presentation and hope to fill it with the most relevant content for the audience. Thus, as active HOYS members, could you please let us know (by email to df@kent.ac.uk) what you would like to see in such a presentation if you would hear about HOYS for the first time. What would make you want to participate in the project? Would you like to hear about the science, the equipment needed, the processes involved, etc.?
Since several years we have had an advisory board for HOYS, made up of amateur astronomer participants, teachers and outreach experts. We are very grateful for the support and advise from this group. We are looking to renew the membership of this group. Thus, if you are interested in helping us with this, please do get in touch. It is not very work intensive. It involves proof reading proposals (such as for the HOYS-LCO project), helping with the creation of materials for the outreach projects, and providing general advise and guidance for the direction of the project.
Finally, we are getting to the point of the year where we have to renew the payment for our domain hoys.space and the hosting for the website. If you or your company would like to sponsor either or both for a year, then please get in touch to discuss the details.

Progress on Science analysis

We are actively continuing the analyse the data provided by you. Since we had requests asking for the status of the different papers and projects, below is a brief summary of the current situation:
HOYS VI: Spot properties on YSOs in the Pelican Nebula(*) - analysis mostly done, interpretation of results in progress, paper draft in preparation
HOYS VII: Analysis of erupting Be stars(**) - analysis in progress, paper draft started
HOYS VIII: Analysis of YSO population in HOYS(**) - Planning started, analysis to commence soon
HOYS IX: Evolution of spot properties in the Pelican Nebula(**) - Planning finished, analysis to start imminently
(*) smaller group paper, (**) large paper, all data contributors will be offered co-authorship;
There are of course numerous other ideas, and some of the larger papers might be split into more than one. Much of the progress will depend on the availability of time and postgraduate students.
Figure taken from HOYS VII: Disk temperature to star temperature ratio during the burst of one of the Be stars, determined from our photometry. The shaded region indicates the uncertainties. The different colours use either the BVRI (red) or just the VRI (grey) photometry. The dashed line indicates the time of the peak brightness of the burst.
HOYS Citizen Science
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