Second Timescale Photometry of the Very Fast Nova V1674 Her with Palomar Gattini-IR

We report second-timescale infrared photometry of the nova V1674 Her using Palomar Gattini-IR. These observations constitute the first infrared and highest temporal resolution data (resolution of ~ 0.84 s) of the nova reported to date. PGIR observed in this fast readout mode for more than an hour on...

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Published in:arXiv.org 2021-10
Main Authors: Hansen, Kylie Y, De, Kishalay, Ashley, Michael C B, Kasliwal, Mansi M, Delacroix, Alexander, Greffe, Tim, Hale, David, Hankins, Matthew J, Lau, Ryan, Li, Chengkui, McKenna, Daniel, Moore, Anna M, Ofek, Eran O, Smith, Roger M, Soon, Jamie, Soria, Roberto, Srinivasaragavan, Gokul P, Travouillon, Tony
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Language:English
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Infrared photometry
Photometry
Temporal resolution
Time
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creator Hansen, Kylie Y
De, Kishalay
Ashley, Michael C B
Kasliwal, Mansi M
Delacroix, Alexander
Greffe, Tim
Hale, David
Hankins, Matthew J
Lau, Ryan
Li, Chengkui
McKenna, Daniel
Moore, Anna M
Ofek, Eran O
Smith, Roger M
Soon, Jamie
Soria, Roberto
Srinivasaragavan, Gokul P
Travouillon, Tony
description We report second-timescale infrared photometry of the nova V1674 Her using Palomar Gattini-IR. These observations constitute the first infrared and highest temporal resolution data (resolution of ~ 0.84 s) of the nova reported to date. PGIR observed in this fast readout mode for more than an hour on three nights between 3 and 6 days after discovery. We searched for periodic variability using a Lomb-Scargle periodogram and did not detect anything down to a three sigma upper limit of 0.093 mag. This suggests that the periodic variability detected in the nova by Patterson et al. 2021 was lower by at least a factor of about 1.65 in the first week of the eruption.
doi_str_mv 10.48550/arxiv.2110.13253
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subjects Infrared photometry
Photometry
Temporal resolution
Time
title Second Timescale Photometry of the Very Fast Nova V1674 Her with Palomar Gattini-IR
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