2015A&A...580L..15P

Query : 2015A&A...580L..15P

2015A&A...580L..15P - Astronomy and Astrophysics, volume 580L15-15 (2015/8-1)

A supernova distance to the anchor galaxy NGC 4258.

POLSHAW J., KOTAK R., CHAMBERS K.C., SMARTT S.J., TAUBENBERGER S., KROMER M., GALL E.E.E., HILLEBRANDT W., HUBER M., SMITH K.W. and WAINSCOAT R.J.

Abstract (from CDS):

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±0.23Mpc), 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 (σI=0.16mag), but note that the current sample size is limited. Applying this calibration, we estimate a distance to NGC 4258 of 7.08±0.86Mpc.

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Journal keyword(s): supernovae: general - supernovae: individual: SN 2014bc - distance scale - galaxies: individual: NGC 4258

Simbad objects: 16

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Number of rows : 16
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 NGC 1365 Sy1 03 33 36.458 -36 08 26.37 10.48 10.08 9.63 8.79 9.7 ~ 1987 2
2 SN 1999em SN* 04 41 27.04 -02 51 45.2   13.79 13.7     SNIIP 727 1
3 NGC 1637 Sy2 04 41 28.1926876152 -02 51 28.667815488   11.4   11.0 11.3 ~ 444 0
4 NAME LMC G 05 23 34.6 -69 45 22     0.4     ~ 19090 0
5 NGC 2403 AGN 07 36 51.3381434280 +65 36 09.650825640 9.31 8.84 8.38 8.19   ~ 1887 1
6 2MASS J07371703+6535579 HXB 07 37 17.0432126424 +65 35 57.826001220           SNIIP 317 1
7 M 95 GiP 10 43 57.7313485800 +11 42 13.301191332 10.71 10.51 9.73 9.48   ~ 1238 2
8 M 106 Sy2 12 18 57.620 +47 18 13.39   9.14 8.41 8.11   ~ 2512 4
9 SN 2014bc SN* 12 18 57.71 +47 18 11.3           SNIIP 25 1
10 GD 153 WD* 12 57 02.3224909560 +22 01 52.634778240 11.883 13.060 13.349 13.488 13.669 DA1.2 380 0
11 SN 1999br SN* 13 00 41.80 +02 29 45.8     17.5     SNIIPp 171 1
12 SN 2010cu SN* 13 20 35.36 +34 08 22.2           ~ 16 1
13 IC 883 SBG 13 20 35.37960 +34 08 21.8400   14.8       ~ 421 1
14 SN 2011hi SN* 13 20 35.380 +34 08 22.23           SNII 13 1
15 SN 2005cs SN* 13 29 53.37 +47 10 28.2   14.5       SNIIP 450 1
16 NGC 7793 GiG 23 57 49.7540045856 -32 35 27.701550744 10.26 9.74 9.28 9.06 9.7 ~ 1188 2

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