English (United Kingdom)

https://curated-unify.zendy.io/wp-json/zendy-region/v1/featured_content/oa?rat=en

https://curated-unify.zendy.io/wp-json/zendy-region/v1/highlighted_journal/

Global: Zendy Plus annual

Presents the access of premium content as premium feature

Premium Content

Presents the keyphrase highlighting as premium feature

Keyphrase Highlighting

Presents the summarisation as premium feature

Summarisation

Insights

Presents the pdf analysis as premium feature

PDF Analysis

Presents the zaia usage as premium feature

ZAIA

Global: Zendy Tools annual

Global: Zendy Free Plan

Global: Zendy Tools monthly

Global: Zendy Plus monthly

We present very early photometric and spectroscopic observations of the TypeIa supernova (SN Ia) 2023bee, starting about 8 hr after the explosion, whichreveal a strong excess in the optical and nearest UV (U and UVW1) bands duringthe first several days of explosion. This data set allows us to probe thenature of the binary companion of the exploding white dwarf and the conditionsleading to its ignition. We find a good match to the Kasen model in which amain-sequence companion star stings the ejecta with a shock as they buzz past.Models of double detonations, shells of radioactive nickel near the surface,interaction with circumstellar material, and pulsational delayed detonations donot provide good matches to our light curves. We also observe signatures ofunburned material, in the form of carbon absorption, in our earliest spectra.Our radio nondetections place a limit on the mass-loss rate from the putativecompanion that rules out a red giant but allows a main-sequence star. Wediscuss our results in the context of other similar SNe Ia in the literature.

The Early Light Curve of SN 2023bee: Constraining Type Ia Supernova Progenitors the Apian Way