Paper on the recent photometric evolution of T CrB

[Jaroslav Merc]

Dear colleagues, 

After discussions with Łukasz Wyrzykowski, we thought it would be valuable to publish the BHTOM data on T CrB in a paper, so that the community can readily use them when the long-anticipated eruption occurs. At that point, most researchers will likely rely either on their own datasets or on easily accessible ones, I think primarily AAVSO data, which are just a click away and usable with a simple acknowledgment.

However, BHTOM data stand out due to their calibration and standardization, and we believe their visibility is key. While the original idea behind this was mainly to make the data available and visible, we’ve also developed a solid scientific case for a publication. I would like to try to submit it to MNRAS (currently prepared as a Letter). With Łukasz, we are considering the options for making data easily accessible (the ones used in the paper will probably be published as supplementary material).

You’ll find the draft PDF attached. Contributors of T CrB observations to BHTOM have been included as co-authors. Please check that your name appears if you’ve contributed—if it doesn’t and you believe it should, please contact me.

For those already listed, I’d appreciate it if you could double-check the spelling of your name and your affiliation(s). These have also been copied into a Google Doc for convenience: https://docs.google.com/document/d/1_viQv7zjyIv6VyH6VoualYar9r9Ypw2_BIJTZ2gdcJU/edit?usp=sharing. 

If you need to change anything (correct your name, add/remove/correct affiliation), please use the comment function in the Google Doc: highlight your name, right-click, and choose “Comment”. In this way, I will understand to whom what belongs. Please also use comments to provide the acknowledgments you want to include in the paper.

The journals require email addresses for all co-authors. Please include the email you'd like us to use in the comments, otherwise, we’ll default to the one associated with your BHTOM account. If you have an ORCID and would like it included in the paper, feel free to add it next to your name as well.

Comments on the scientific content or the manuscript itself are welcome, please feel free to send them by email.

We’d appreciate it if you could provide your feedback by Sunday, April 27, 2025. We'd like to submit the paper as soon as possible, as its relevance is strongest before the eruption occurs. For immediate visibility, the paper will also be uploaded to arXiv upon submission.

Cheers,

Jaroslav

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RNDr. Jaroslav Merc, Ph.D.
Instituto de Astrofísica de Canarias
Calle Vía Láctea, s/n
E-38205 La Laguna, Santa Cruz de Tenerife, Spain

Astronomical Institute of Charles University
V Holešovičkách 2
180 00 Prague, Czech Republic
http://sirrah.troja.mff.cuni.cz/~merc/

[Mateusz Bronikowski]

Dear dr Merc,

I wanted to ask if it is possible to add dr Jure Japelj (same affiliation as me - 15 - University of Nova Gorica) and Matej Mihelcic (affiliation: Astronomska revija Spika, Koprska ulica 94, 1000 Ljubljana) as co-authors of the paper. They are the people responsible for managing the GoChile telescope infrastructure, and they helped out a lot during the observations process, although it was me who uploaded the data to BH-TOM.

Matej, Jure, please let us know if the affiliations I mentioned are correct.

Best regards,

Mateusz Bronikowski

University of Nova Gorica

W dniu 23.04.2025 o 22:43, Jaroslav Merc pisze:

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