2019ApJ...882..150H

Query : 2019ApJ...882..150H

2019ApJ...882..150H - Astrophys. J., 882, 150-150 (2019/September-2)

The carnegie chicago Hubble program. VI. Tip of the Red Giant Branch distances to M66 and M96 of the Leo I Group.

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

Abstract (from CDS):

We determine the distances to the Type Ia supernova host galaxies M66 (NGC 3627) and M96 (NGC 3368) of the Leo I Group using the Tip of the Red Giant Branch (TRGB) method. We target the stellar halos of these galaxies using the Hubble Space Telescope ACS/WFC in the F606W and F814W bandpasses. By pointing to the stellar halos we sample RGB stars predominantly of Population II, minimize host-galaxy reddening, and significantly reduce the effects of source crowding. Our absolute calibration of the I-band TRGB is based on a recent detached eclipsing binary distance to the Large Magellanic Cloud. With this geometric zero-point in hand, we find for M66 and M96, respectively, true distance moduli µ0 = 30.23 ± 0.04 (stat) ± 0.06 (sys) mag and µ0 = 30.29 ± 0.02 (stat) ± 0.06 (sys) mag.

Abstract Copyright: © 2019. The American Astronomical Society. All rights reserved.

Journal keyword(s): distance scale - galaxies: individual: (M66, M96) - galaxies: stellar content - stars: Population II

Simbad objects: 17

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Number of rows : 17
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 IC 1613 GiC 01 04 48.4071 +02 07 10.185   10.42 10.01 9.77   ~ 1236 2
2 NGC 1316 BL? 03 22 41.789 -37 12 29.52 9.81 9.15 8.53 7.66   ~ 1387 1
3 NGC 1365 Sy1 03 33 36.458 -36 08 26.37 10.48 10.08 9.63 8.79 9.7 ~ 1802 2
4 ACO S 373 ClG 03 38 29.4 -35 27 08           ~ 1827 0
5 NGC 1448 GiG 03 44 31.915 -44 38 41.38   11.46   10.24 10.9 ~ 267 0
6 NAME LMC G 05 23 34.6 -69 45 22     0.4     ~ 17434 0
7 M 96 GiP 10 46 45.744 +11 49 11.78 10.42 10.15 9.25 8.99   ~ 819 1
8 NAME M96 Group GrG 10 48 +13.3           ~ 314 0
9 SN 1989B SN* 11 20 13.93 +13 00 18.9   12.25       SNIa 361 1
10 M 66 GiP 11 20 15.0 +12 59 29 9.85 9.65 8.92     ~ 1386 4
11 M 106 Sy2 12 18 57.620 +47 18 13.39   9.14 8.41 8.11   ~ 2364 3
12 NAME Virgo Cluster ClG 12 26 32.1 +12 43 24           ~ 6645 0
13 NGC 4424 H2G 12 27 11.5741235616 +09 25 14.330453700   13.1       ~ 360 0
14 IRAS 12315+0758 GiG 12 34 03.029 +07 41 56.90   10.6       ~ 671 0
15 NGC 4536 GiP 12 34 27.1 +02 11 18 11.14 11.16 10.55 17.393   ~ 853 3
16 SN 1998E SN* 13 29 14.30 -33 10 38.0       16.5   SNIIn 7 1
17 M 101 GiP 14 03 12.583 +54 20 55.50   8.46 7.86 7.76   ~ 2914 2

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