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Title: The Tip of the red giant branch distance to the perfect spiral galaxy M74 hosting three core-collapse supernovae

Abstract

M74 (NGC 628) is a famous face-on spiral galaxy, hosting three core-collapse supernovae (SNe): SN Ic 2002ap, SN II-P 2003gd, and SN II-P 2013ej. However, its distance is not well known. We present a distance estimation for this galaxy based on the Tip of the Red Giant Branch (TRGB) method. We obtain photometry of the resolved stars in the arm-free region of M74 from F555W and F814W images in the Hubble Space Telescope archive. The color-magnitude diagram of the resolved stars shows a dominant red giant branch (RGB) as well as blue main sequence stars, red helium burning stars, and asymptotic giant branch stars. The I-band luminosity function of the RGB stars shows the TRGB to be at I {sub TRGB} = 26.13 ± 0.03 mag, and T {sub RGB} = 25.97 ± 0.03. From this, we derive the distance modulus to M74 to be 30.04 ± 0.04 (random) ± 0.12 (systematic) (corresponding to a linear distance of 10.19 ± 0.14 ± 0.56 Mpc). With this distance estimate, we calibrate the standardized candle method for SNe II-P. From the absolute magnitudes of SN 2003gd, we derive a value of the Hubble constant, H {sub 0} = 72 ± 6 (random)more » ± 7 (systematic) km s{sup –1} Mpc{sup –1}. It is similar to recent estimates based on the luminosity calibration of Type Ia supernovae.« less

Authors:
;  [1]
  1. Astronomy Program, Department of Physics and Astronomy, Seoul National University, Gwanak-gu, Seoul 151-742 (Korea, Republic of)
Publication Date:
OSTI Identifier:
22365186
Resource Type:
Journal Article
Resource Relation:
Journal Name: Astrophysical Journal; Journal Volume: 792; Journal Issue: 1; Other Information: Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
79 ASTROPHYSICS, COSMOLOGY AND ASTRONOMY; ASYMPTOTIC SOLUTIONS; CALIBRATION; COLOR; DISTANCE; GALAXIES; HELIUM BURNING; LUMINOSITY; MAIN SEQUENCE STARS; PHOTOMETRY; RANDOMNESS; RED SHIFT; SPACE; TELESCOPES; TYPE I SUPERNOVAE; TYPE II SUPERNOVAE

Citation Formats

Sung Jang, In, and Gyoon Lee, Myung, E-mail: isjang@astro.snu.ac.kr, E-mail: mglee@astro.snu.ac.kr. The Tip of the red giant branch distance to the perfect spiral galaxy M74 hosting three core-collapse supernovae. United States: N. p., 2014. Web. doi:10.1088/0004-637X/792/1/52.
Sung Jang, In, & Gyoon Lee, Myung, E-mail: isjang@astro.snu.ac.kr, E-mail: mglee@astro.snu.ac.kr. The Tip of the red giant branch distance to the perfect spiral galaxy M74 hosting three core-collapse supernovae. United States. doi:10.1088/0004-637X/792/1/52.
Sung Jang, In, and Gyoon Lee, Myung, E-mail: isjang@astro.snu.ac.kr, E-mail: mglee@astro.snu.ac.kr. Mon . "The Tip of the red giant branch distance to the perfect spiral galaxy M74 hosting three core-collapse supernovae". United States. doi:10.1088/0004-637X/792/1/52.
@article{osti_22365186,
title = {The Tip of the red giant branch distance to the perfect spiral galaxy M74 hosting three core-collapse supernovae},
author = {Sung Jang, In and Gyoon Lee, Myung, E-mail: isjang@astro.snu.ac.kr, E-mail: mglee@astro.snu.ac.kr},
abstractNote = {M74 (NGC 628) is a famous face-on spiral galaxy, hosting three core-collapse supernovae (SNe): SN Ic 2002ap, SN II-P 2003gd, and SN II-P 2013ej. However, its distance is not well known. We present a distance estimation for this galaxy based on the Tip of the Red Giant Branch (TRGB) method. We obtain photometry of the resolved stars in the arm-free region of M74 from F555W and F814W images in the Hubble Space Telescope archive. The color-magnitude diagram of the resolved stars shows a dominant red giant branch (RGB) as well as blue main sequence stars, red helium burning stars, and asymptotic giant branch stars. The I-band luminosity function of the RGB stars shows the TRGB to be at I {sub TRGB} = 26.13 ± 0.03 mag, and T {sub RGB} = 25.97 ± 0.03. From this, we derive the distance modulus to M74 to be 30.04 ± 0.04 (random) ± 0.12 (systematic) (corresponding to a linear distance of 10.19 ± 0.14 ± 0.56 Mpc). With this distance estimate, we calibrate the standardized candle method for SNe II-P. From the absolute magnitudes of SN 2003gd, we derive a value of the Hubble constant, H {sub 0} = 72 ± 6 (random) ± 7 (systematic) km s{sup –1} Mpc{sup –1}. It is similar to recent estimates based on the luminosity calibration of Type Ia supernovae.},
doi = {10.1088/0004-637X/792/1/52},
journal = {Astrophysical Journal},
number = 1,
volume = 792,
place = {United States},
year = {Mon Sep 01 00:00:00 EDT 2014},
month = {Mon Sep 01 00:00:00 EDT 2014}
}