2019ApJ...882...34F


Query : 2019ApJ...882...34F

2019ApJ...882...34F - Astrophys. J., 882, 34-34 (2019/September-1)

The Carnegie-Chicago Hubble Program. VIII. An independent determination of the Hubble constant based on the tip of the red giant branch.

FREEDMAN W.L., MADORE B.F., HATT D., HOYT T.J., JANG I.S., BEATON R.L., BURNS C.R., LEE M.G., MONSON A.J., NEELEY J.R., PHILLIPS M.M., RICH J.A. and SEIBERT M.

Abstract (from CDS):

We present a new and independent determination of the local value of the Hubble constant based on a calibration of the tip of the red giant branch (TRGB) applied to Type Ia supernovae (SNe Ia). We find a value of H0 = 69.8 ± 0.8 (±1.1% stat) ± 1.7 (±2.4% sys) km s–1 Mpc–1. The TRGB method is both precise and accurate and is parallel to but independent of the Cepheid distance scale. Our value sits midway in the range defined by the current Hubble tension. It agrees at the 1.2σ level with that of the Planck Collaboration et al. estimate and at the 1.7σ level with the Hubble Space Telescope (HST) SHoES measurement of H0 based on the Cepheid distance scale. The TRGB distances have been measured using deep HST Advanced Camera for Surveys imaging of galaxy halos. The zero-point of the TRGB calibration is set with a distance modulus to the Large Magellanic Cloud of 18.477 ± 0.004 (stat) ± 0.020 (sys) mag, based on measurement of 20 late-type detached eclipsing binary stars, combined with an HST parallax calibration of a 3.6 µm Cepheid Leavitt law based on Spitzer observations. We anchor the TRGB distances to galaxies that extend our measurement into the Hubble flow using the recently completed Carnegie Supernova Project I ( CSP-I ) sample containing about 100 well-observed SNe Ia . There are several advantages of halo TRGB distance measurements relative to Cepheid variables; these include low halo reddening, minimal effects of crowding or blending of the photometry, only a shallow (calibrated) sensitivity to metallicity in the I band, and no need for multiple epochs of observations or concerns of different slopes with period. In addition, the host masses of our TRGB host-galaxy sample are higher, on average, than those of the Cepheid sample, better matching the range of host-galaxy masses in the CSP-I distant sample and reducing potential systematic effects in the SNe Ia measurements.

Abstract Copyright: © 2019. The American Astronomical Society.

Journal keyword(s): cosmological parameters - distance scale - galaxies: distances and redshifts - stars: low-mass - stars: Population II

Simbad objects: 70

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Number of rows : 70
N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2022
#notes
1 M 31 G 00 42 44.330 +41 16 07.50 4.86 4.36 3.44     ~ 11842 1
2 NAME SMC G 00 52 38.0 -72 48 01   2.79 2.2     ~ 10265 1
3 IC 1613 GiC 01 04 54.2 +02 08 00   10.42 10.01 9.77   ~ 1168 2
4 LBN 659 GiG 02 36 35.4662282832 +59 39 17.507008584   17       ~ 183 2
5 NGC 1015 G 02 38 11.5517163624 -01 19 07.598590248   12.8   12.4 12.5 ~ 104 0
6 SN 2009ig SN* 02 38 11.62 -01 18 45.3           SNIa 135 1
7 UGCA 39 GiG 02 41 55.092 +59 36 14.73   16       ~ 338 1
8 SN 2002fk SN* 03 22 05.71 -15 24 03.2     15.7     SNIa 91 1
9 NGC 1309 GiG 03 22 06.5548977432 -15 23 59.791692912   12.08   12.5 11.7 ~ 203 0
10 SN 1981D SN* 03 22 39 -37 14.1   12.59 12.33     SNIa 89 1
11 SN 2006dd SN* 03 22 41.64 -37 12 13.2   14.5 15.0     SNIa 70 1
12 NGC 1316 GiP 03 22 41.789 -37 12 29.52 9.81 9.15 8.53 7.66   ~ 1288 1
13 SN 1980N SN* 03 22 59 -37 12.8   12.5 12.37     SNIa 145 1
14 SN 2012fr SN* 03 33 35.99 -36 07 37.7           SNIa 119 1
15 NGC 1365 Sy1 03 33 36.458 -36 08 26.37 10.48 10.08 9.63 8.79 9.7 ~ 1644 2
16 ACO S 373 ClG 03 38 30 -35 27.3           ~ 1694 0
17 SN 2007on SN* 03 38 50.90 -35 34 30.0       14.9   SNIa 115 1
18 SN 2011iv SN* 03 38 51.35 -35 35 32.0           SNIa 61 1
19 NGC 1404 GiP 03 38 51.917 -35 35 39.81 11.53 10.69 10.00 9.03   ~ 711 1
20 SN 2001el SN* 03 44 30.60 -44 38 23.4   12.81       SNIa 252 1
21 NGC 1448 GiG 03 44 31.915 -44 38 41.38   11.46   10.24 10.9 ~ 243 0
22 NAME LMC G 05 23 34.6 -69 45 22     0.4     ~ 16075 1
23 NAME NGC 2442 Group GrG 07 33 -69.5           ~ 11 0
24 SN 2015F SN* 07 36 15.76 -69 30 23.0           SNIa 59 1
25 NGC 2442 LIN 07 36 23.7700545576 -69 31 50.997856332 11.47 11.15 10.42 9.71 10.4 ~ 202 1
26 SN 1995al SN* 09 50 55.97 +33 33 09.4   13.36 13.22     SNIa 96 1
27 NGC 3021 GiG 09 50 57.1456156056 +33 33 12.934404072   12.6       ~ 176 0
28 NAME Great Attractor SCG 10 32 -46.0           ~ 518 0
29 M 96 GiP 10 46 45.744 +11 49 11.78 10.42 10.15 9.25 8.99   ~ 779 1
30 SN 1998bu SN* 10 46 46.01 +11 50 07.5   12.11       SNIa 305 1
31 SN 1994ae SN* 10 47 01.94 +17 16 30.8   13.20 12.99     SNIa 164 1
32 NGC 3370 GiG 10 47 04.0734572856 +17 16 25.315359780   12.4       ~ 231 0
33 NAME M96 Group GrG 10 48 +13.3           ~ 296 0
34 SN 2012ht SN* 10 53 22.75 +16 46 34.9           SNIa 52 1
35 NGC 3447 GiP 10 53 23.9671116744 +16 46 20.741661336   14.3       ~ 87 0
36 SN 1989B SN* 11 20 13.93 +13 00 18.9   12.25       SNIa 352 1
37 M 66 GiP 11 20 15.026 +12 59 28.64 9.85 9.65 8.92     ~ 1269 4
38 NGC 3972 GiP 11 55 45.09048 +55 19 14.6460   13.14   11.94   ~ 194 1
39 SN 2011by SN* 11 55 45.56 +55 19 33.8   12.97 12.95     SNIa 75 1
40 SN 1998aq SN* 11 56 25.87 +55 07 43.2   12.31 14.9     SNIa 177 1
41 NGC 3982 Sy1 11 56 28.1445516072 +55 07 30.859586652   12.20 11.70 11.18   ~ 517 1
42 SN 2007sr SN* 12 01 52.80 -18 58 21.7     12.79     SNIa 80 1
43 NGC 4038 GiP 12 01 53.002 -18 52 03.32   10.91   9.74 11.0 ~ 1299 1
44 NAME Antennae IG 12 01 53.170 -18 52 37.92           ~ 1623 0
45 M 106 Sy2 12 18 57.620 +47 18 13.39   9.14 8.41 8.11   ~ 2229 3
46 NAME Virgo Cluster ClG 12 26 32.1 +12 43 24           ~ 6271 0
47 NGC 4424 H2G 12 27 11.5741235616 +09 25 14.330453700   13.1       ~ 322 0
48 SN 2012cg SN* 12 27 12.83 +09 25 13.2           SNIa 159 1
49 SN 1994D SN* 12 34 02.395 +07 42 05.70   11.75 12.03     SNIa 533 1
50 IRAS 12315+0758 GiG 12 34 03.029 +07 41 56.90   10.6       ~ 634 0
51 NGC 4528 GiG 12 34 06.0685723920 +11 19 16.528093428 13.39 12.97 12.06     ~ 180 1
52 NGC 4536 GiP 12 34 27.129 +02 11 16.37 11.14 11.16 10.55 17.393   ~ 798 3
53 SN 1981B SN* 12 34 29.57 +02 11 59.3   11.74       SNIa 391 1
54 NGC 4639 GiP 12 42 52.3785000336 +13 15 26.706153600   13.62 12.72     ~ 585 0
55 SN 1990N SN* 12 42 56.68 +13 15 23.4   12.69 12.62     SNIa 382 1
56 NAME SHAPLEY-CENTAURUS CL SCG 13 06.0 -33 04           ~ 556 0
57 GrW 170817 GWE 13 09 48.0850 -23 22 53.343           ~ 1404 0
58 SN 2011fe SN* 14 03 05.711 +54 16 25.22   10.12 10.06     SNIa 591 1
59 M 101 GiP 14 03 12.583 +54 20 55.50   8.46 7.86 7.76   ~ 2714 2
60 SN 2007af SN* 14 22 21.03 -00 23 37.6     15.4     SNIa 149 1
61 NGC 5584 EmG 14 22 23.811 -00 23 14.82   12.80   12.0 11.8 ~ 243 0
62 SN 2003du SN* 14 34 35.80 +59 20 03.8   13.46       SNIa 337 1
63 UGC 9391 G 14 34 37.013 +59 20 16.17   15.5       ~ 78 0
64 NGC 5917 GiP 15 21 32.5501040400 -07 22 37.520797440   13.7   13.7 13.5 ~ 47 0
65 SN 2005cf SN* 15 21 33.12 -07 26 57.1   13.54       SNIa 261 1
66 NGC 6822 G 19 44 56.199 -14 47 51.29   18 8.1     ~ 1499 0
67 SN 2013dy SN* 22 18 17.60 +40 34 09.6           SNIa 87 0
68 NGC 7250 G 22 18 17.776 +40 33 44.66 13.18 13.22 12.58     ~ 96 1
69 NAME Local Group GrG ~ ~           ~ 7681 0
70 NAME Local Bubble ISM ~ ~           ~ 788 0

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2022.07.06-19:07:46

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