Journal
ASTRONOMY & ASTROPHYSICS
Volume 580, Issue -, Pages -Publisher
EDP SCIENCES S A
DOI: 10.1051/0004-6361/201526902
Keywords
supernovae: general; supernovae: individual: SN 2014bc; distance scale; galaxies: individual: NGC 4258
Categories
Funding
- STFC [ST/L000709/1]
- ERC [291222]
- Deutsche Forschungsgemeinschaft via the Transregional Collaborative Research Center [TRR 33]
- ESO Telescopes at the La Silla Paranal Observatory [081.D-0128]
- NASA from NEO Observation Program [NNX12AR65G, NNX14AM74G]
- Science and Technology Facilities Council [ST/L000709/1, ST/M003035/1, ST/M000095/1] Funding Source: researchfish
- STFC [ST/M000095/1, ST/M003035/1] Funding Source: UKRI
- Direct For Mathematical & Physical Scien [1238877] Funding Source: National Science Foundation
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The fortuitous occurrence of a type II-Plateau (IIP) supernova, SN 2014bc, in a galaxy for which distance estimates from a number of primary distance indicators are available provides a means with which to cross-calibrate the standardised candle method (SCM) for type IIP SNe. By applying calibrations from the literature we find distance estimates in line with the most precise measurement to NGC 4258 based on the Keplerian motion of masers (7.6 +/- 0.23 Mpc), albeit with significant scatter. We provide an alternative local SCM calibration by only considering type IIP SNe that have occurred in galaxies for which a Cepheid distance estimate is available. We find a considerable reduction in scatter (sigma(I) = 0.16 mag), but note that the current sample size is limited. Applying this calibration, we estimate a distance to NGC 4258 of 7.08 +/- 0.86 Mpc.
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