SN 2016iog: A fast declining Type II-L supernova with an ultra-faint tail, persistently interacting with circumstellar material

Abstract

We present optical photometric and spectroscopic observations of the rapidly declining Type IIL supernova (SN) 2016iog. SN 2016iog reached its peak $\sim$ 14 days after explosion, with an absolute magnitude in the $V$ band of $-18.64\pm 0.15$ mag, followed by a steep decline of $8.85\pm 0.15$~mag~(100\,d)${}^{-1}$ post-peak. Such a high decline rate makes SN~2016iog one of the fastest declining Type~IIL SNe observed to date. The rapid rise in the light curve, combined with the nearly featureless continuum observed in the spectrum at +9.3 days, suggests the presence of interaction. In the recombination phase, we observed broad H$\alpha$ lines that persist at all epochs. In addition, the prominent double-peaked H$\alpha$ feature observed in the late-time spectrum (+190.8 days) is likely attributable either to significant dust formation within a cool dense shell or to asymmetric circumstellar material. These features suggest the presence of sustained interaction around SN~2016iog. We propose that the observed characteristics of SN~2016iog can be qualitatively explained by assuming a low-mass H-rich envelope surrounding a red supergiant progenitor star with low-density circumstellar material.

arXiv comment27 pages, 19 figures. Accepted by Astronomy and Astrophysics

References in corpus (99)

• Measuring Reddening with SDSS Stellar Spectra and Recalibrating SFD
• Wilkinson Microwave Anisotropy Probe (WMAP) Three Year Results: Implications for Cosmology
• ATLAS: A High-Cadence All-Sky Survey System
• Nearby Supernova Rates from the Lick Observatory Supernova Search. II. The Observed Luminosity Functions and Fractions of Supernovae in a Complete Sample
• The death of massive stars - I. Observational constraints on the progenitors of type II-P supernovae
• WISeREP - An Interactive Supernova Data Repository
• Observational constraints on the progenitors of core-collapse supernovae : the case for missing high mass stars
• The HST Key Project on the Extragalactic Distance Scale. XXVIII. Combining the Constraints on the Hubble Constant
• The Effective Temperature Scale of Galactic Red Supergiants: Cool, But Not As Cool As We Thought
• Observed and Physical Properties of Core-Collapse Supernovae
• Shock Breakout in Dense Mass Loss: Luminous Supernovae
• Characterizing the V-band light-curves of hydrogen-rich type II supernovae
• Confined Dense Circumstellar Material Surrounding a Regular Type II Supernova: The Unique Flash-Spectroscopy Event of SN 2013fs
• Wave-Driven Mass Loss in the Last Year of Stellar Evolution: Setting the Stage for the Most Luminous Core-Collapse Supernovae
• The diversity of Type II supernova versus the similarity in their progenitors
• A Wolf-Rayet-like progenitor of supernova SN 2013cu from spectral observations of a wind
• Rapidly-Evolving and Luminous Transients from Pan-STARRS1
• Generalized Semi-Analytical Models of Supernova Light Curves
• Photometry and Spectroscopy of the Type IIP SN 1999em from Outburst to Dust Formation
• The Eighteenth Data Release of the Sloan Digital Sky Surveys: Targeting and First Spectra from SDSS-V
• Evidence for Asphericity in the Type IIn Supernova 1998S
• Analytical Light Curve Models of Super-Luminous Supernovae: chi^2-Minimizations of Parameter Fits
• SN 2005cs in M51 II. Complete Evolution in the Optical and the Near-Infrared
• Detailed Analysis of Early to Late-Time Spectra of Supernova 1993J
• Flash Spectroscopy: Emission Lines from the Ionized Circumstellar Material around $<10$-Day-Old Type II Supernovae
• Precursors prior to Type IIn supernova explosions are common: precursor rates, properties, and correlations
• MOSFiT: Modular Open-Source Fitter for Transients
• Pre-Supernova Outbursts via Wave Heating in Massive Stars I: Red Supergiants
• Unifying Type II Supernova Light Curves with Dense Circumstellar Material
• Towards Characterization of the Type IIP Supernova Progenitor Population: a Statistical Sample of Light Curves from Pan-STARRS1
• Broad emission lines from opaque electron-scattering environment of SN 1998S
• Optical and Infrared Spectroscopy of the type IIn SN 1998S : Days 3-127
• Underluminous Type II Plateau Supernovae: II. Pointing towards moderate mass precursors
• Progenitor mass constraints for core-collapse supernovae from correlations with host galaxy star formation
• On the source of the late-time infrared luminosity of SN 1998S and other type II supernovae
• Time Dependent Radiative Transfer Calculations for Supernovae
• PTF11iqb: Cool supergiant mass loss that bridges the gap between Type IIn and normal supernovae
• A large fraction of hydrogen-rich supernova progenitors experience elevated mass loss shortly prior to explosion
• The delay of shock breakout due to circumstellar material seen in most Type II Supernovae
• Rapidly evolving transients in the Dark Energy Survey
• A Sample of Type II-L Supernovae
• Yellow supergiants as supernova progenitors: an indication of strong mass loss for red supergiants?
• Optical Spectroscopy of Supernova 1993J During Its First 2500 Days
• SN 1994W: An Interacting Supernova or Two Interacting Shells?
• Explosion of red-supergiant stars: influence of the atmospheric structure on shock breakout and the early-time supernova radiation
• Bright, months-long stellar outbursts announce the explosion of interaction-powered supernovae
• Uncovering the Putative B-Star Binary Companion of the SN 1993J Progenitor
• UBVRIz Light Curves of 51 Type II Supernovae
• Detection of CO and Dust Emission in Near-Infrared Spectra of SN 1998S
• Supernova 2013by: A Type IIL Supernova with a IIP-like light curve drop
• The Massive Progenitor of the Type II-Linear SN 2009kr
• The prevalence and influence of circumstellar material around hydrogen-rich supernova progenitors
• H-alpha Spectral diversity of type II supernovae
• Strong late-time circumstellar interaction in the peculiar supernova iPTF14hls
• The multi-faceted Type II-L supernova 2014G from pre-maximum to nebular phase
• Early Spectroscopy and Dense Circumstellar Medium Interaction in SN 2023ixf
• On the progenitor and early evolution of the type II supernova 2009kr
• Analysis of blue-shifted emission peaks in type II supernovae
• The bright Type IIP SN 2009bw, showing signs of interaction
• On the photometric and spectroscopic diversity of Type II supernovae
• Spectra of supernovae in the nebular phase
• Modeling the signatures of interaction in Type II supernovae: UV emission, high-velocity features, broad-boxy profiles
• The Berkeley sample of Type II supernovae: BVRI light curves and spectroscopy of 55 SNe II
• Late-Time Optical and UV Spectra of SN 1979C and SN 1980K
• SN 2018zd: An Unusual Stellar Explosion as Part of the Diverse Type II Supernova Landscape
• The Early Phases of Supernova 2020pni: Shock-Ionization of the Nitrogen-Enriched Circumstellar Material
• Diversity of Luminous Supernovae from Non-Steady Mass Loss
• Supernova 1998S at 14 years Postmortem: Continuing Circumstellar Interaction and Dust Formation
• SN2010jp (PTF10aaxi): A Jet-Driven Type II Supernova
• Supernova 2010as: the Lowest-Velocity Member of a Family of Flat-Velocity Type IIb Supernovae
• Shock Breakout in 3-Dimensional Red Supergiant Envelopes
• Ultraviolet Detection of the Binary Companion to the Type IIb SN 2001ig
• SN2013fs and SN2013fr: Exploring the circumstellar-material diversity in Type II supernovae
• A Spectroscopic Study of Mass Outflows in the Interacting Binary RY Scuti
• The influence of late-stage nuclear burning on red supergiant supernova light curves
• The early discovery of SN 2017ahn: signatures of persistent interaction in a fast declining Type II supernova
• The Physics of Flash (Supernova) Spectroscopy
• Galaxy Distances in the Nearby Universe: Corrections For Peculiar Motions
• Unsupervised clustering of Type II supernova light curves
• Supernova Resonance-Scattering Profiles in the Presence of External Illumination
• Circumstellar Material Ejected Violently by A Massive Star Immediately before its Death
• Detection of Late-Time Circumstellar Interaction of SN 2017eaw in NGC 6946
• Probing the Shock Breakout Signal of SN 2024ggi from the Transformation of Early Flash Spectroscopy
• Photometric and polarimetric observations of fast declining Type II supernovae 2013hj and 2014G
• Average opacity calculation for core-collapse supernovae
• ASASSN-15nx: A luminous Type II supernova with a "perfect" linear decline
• Broad-emission-line dominated hydrogen-rich luminous supernovae
• A pre-explosion extended effervescent zone around core collapse supernova progenitors
• ASASSN-14dq: A fast-declining type II-P Supernova in a low-luminosity host galaxy
• Formation, distribution, and IR emission of dust in the clumpy ejecta of Type II-P core-collapse supernovae, in isotropic and anisotropic scenarios
• The circumstellar material around the Type IIP SN 2021yja
• SN 2018is: a low-luminosity Type IIP supernova with narrow hydrogen emission lines at early phases
• Luminous Type II Short-Plateau SN 2023ufx: Asymmetric Explosion of a Partially-Stripped Massive Progenitor
• SN 2019nyk: A rapidly declining Type II supernova with early interaction signatures
• Radiative-transfer models for dusty Type II supernovae
• Spectropolarimetric modeling of interacting Type II supernovae. Application to early-time observations of SN1998S
• JWST/MIRI detects the dusty SN1993J about 30 years after explosion
• Luminous, rapidly declining supernovae as stripped transitional objects in low metallicity environments: the case of SN 2022lxg
• The Gran Telescopio Canarias OSIRIS Broad Band First Data Release

Cited by in corpus (1)

• SN 2017ati: A luminous type IIb explosion from a massive progenitor