2022ApJ...934..185D


Query : 2022ApJ...934..185D

2022ApJ...934..185D - Astrophys. J., 934, 185 (2022/August-1)

A Uniform Type Ia Supernova Distance Ladder with the Zwicky Transient Facility: Absolute Calibration Based on the Tip of the Red Giant Branch Method.

DHAWAN S., GOOBAR A., JOHANSSON J., JANG I.S., RIGAULT M., HARVEY L., MAGUIRE K., FREEDMAN W.L., MADORE B.F., SMITH M., SOLLERMAN J., KIM Y.-L., ANDREONI I., BELLM E.C., COUGHLIN M.W., DEKANY R., GRAHAM M.J., KULKARNI S.R., LAHER R.R., MEDFORD M.S., NEILL J.D., NIR G., RIDDLE R. and RUSHOLME B.

Abstract (from CDS):

The current Cepheid-calibrated distance ladder measurement of H0 is reported to be in tension with the values inferred from the cosmic microwave background (CMB), assuming standard cosmology. However, some tip of the red giant branch (TRGB) estimates report H0 in better agreement with the CMB. Hence, it is critical to reduce systematic uncertainties in local measurements to understand the Hubble tension. In this paper, we propose a uniform distance ladder between the second and third rungs, combining Type Ia supernovae (SNe Ia) observed by the Zwicky Transient Facility (ZTF) with a TRGB calibration of their absolute luminosity. A large, volume-limited sample of both calibrator and Hubble flow SNe Ia from the same survey minimizes two of the largest sources of systematics: host-galaxy bias and nonuniform photometric calibration. We present results from a pilot study using the existing TRGB distance to the host galaxy of ZTF SN Ia SN 2021rhu (aka ZTF21abiuvdk) in NGC7814. Combining the ZTF calibrator with a volume-limited sample from the first data release of ZTF Hubble flow SNe Ia, we infer H0 = 76.94 ± 6.4 km s–1 Mpc–1, an 8.3% measurement. The error budget is dominated by the single object calibrating the SN Ia luminosity in this pilot study. However, the ZTF sample includes already five other SNe Ia within ∼20 Mpc for which TRGB distances can be obtained with the Hubble Space Telescope. Finally, we present the prospects of building this distance ladder out to 80 Mpc with James Webb Space Telescope observations of more than 100 ZTF SNe Ia.

Abstract Copyright: © 2022. The Author(s). Published by the American Astronomical Society.

Journal keyword(s): Observational cosmology - Hubble constant - Type Ia supernovae

Simbad objects: 20

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Number of rows : 20
N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2024
#notes
1 NGC 7814 GiG 00 03 14.947 +16 08 42.82   12.0       ~ 291 1
2 SN 2021rhu SN* 00 03 15.429 +16 08 44.55           SNIa 4 0
3 NAME SMC G 00 52 38.0 -72 48 01   2.79 2.2     ~ 11043 1
4 SN 2011iv SN* 03 38 51.4 -35 35 32           SNIa-norm 73 1
5 NAME LMC G 05 23 34.6 -69 45 22     0.4     ~ 17265 1
6 NGC 3254 Sy2 10 29 19.922 +29 29 29.18   12.29 11.60     ~ 183 0
7 SN 2019np SN* 10 29 21.980 +29 30 38.30           SNIa 29 0
8 M 106 Sy2 12 18 57.620 +47 18 13.39   9.14 8.41 8.11   ~ 2349 3
9 SN 1991bg SN* 12 25 03.70 +12 52 15.6   14.75 14.3     SNIapec 583 1
10 M 85 GiP 12 25 24.053 +18 11 27.89   10.2       ~ 642 0
11 SN 2020nlb SN* 12 25 24.180 +18 12 12.78           SNIa 5 0
12 AT 2020hiz SN? 12 25 41.675 +07 13 42.26           SNIa 4 0
13 UGC 7513 GiG 12 25 42.634 +07 13 00.15   14.4       ~ 178 0
14 SN 2021J SN* 12 26 27.030 +31 13 20.59           SNIa 6 0
15 NGC 4414 GiG 12 26 27.1276893168 +31 13 24.626206488 11.12 10.96 10.12     ~ 565 2
16 SN 2020qxp SN* 13 10 37.835 +36 37 43.71           SNIa 5 0
17 NGC 5002 GiG 13 10 38.185 +36 38 03.19   14.7       ~ 57 0
18 SN 1986G SN* 13 25 36.46 -43 01 53.6   12.45 11.44     SNIapec 405 1
19 NGC 5139 GlC 13 26 47.28 -47 28 46.1           ~ 3402 0
20 SN 2011fe SN* 14 03 05.711 +54 16 25.22   10.12 10.06     SNIa-norm 660 1

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