2012A&A...548A.129F


Query : 2012A&A...548A.129F

2012A&A...548A.129F - Astronomy and Astrophysics, volume 548A, 129-129 (2012/12-1)

Distance and reddening of the Local Group dwarf irregular galaxy NGC 6822.

FUSCO F., BUONANNO R., BONO G., CASSISI S., MONELLI M. and PIETRINFERNI A.

Abstract (from CDS):

On the basis of a new photometric analysis of the Local Group dwarf irregular galaxy NCG 6822 based on observations obtained with the Advanced Camera for Surveys onboard the Hubble Space Telescope, we have obtained a new estimate of the extinction of two fields located in the southeast region of the galaxy. Because of significant differences in the distance estimates to NGC 6822 available in literature, we decided to provide an independent determination of the distance to this galaxy based on an updated and self-consistent theoretical calibration of the tip of the red giant branch brightness. As a result we newly determined the distance to NGC 6822 to be equal to (m-M)0=23.54±0.05, and compared our measurement with the most recent determinations of this distance.

Abstract Copyright:

Journal keyword(s): galaxies: dwarf - Local Group - galaxies: individual: NGC 6822

VizieR on-line data: <Available at CDS (J/A+A/548/A129): n6822_0.dat n6822_a.dat n6822_b.dat>

Nomenclature: [FBB2012b] NNNNNN N=193051

Status at CDS : All or part of tables of objects will not be ingested in SIMBAD.

Simbad objects: 8

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Number of rows : 8
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 NAME SMC G 00 52 38.0 -72 48 01   2.79 2.2     ~ 10390 1
2 IC 1613 GiC 01 04 54.2 +02 08 00   10.42 10.01 9.77   ~ 1175 2
3 NAME LMC G 05 23 34.6 -69 45 22     0.4     ~ 16278 1
4 NGC 6822 G 19 44 56.199 -14 47 51.29   18 8.1     ~ 1504 0
5 HD 189733B PM* 20 00 42.9779053104 +22 42 34.178508072       14.67   M4V 16 0
6 HD 189733 BY* 20 00 43.7129433648 +22 42 39.073143456 9.241 8.578 7.648 7.126 6.68 K2V 816 1
7 HD 189733b Pl 20 00 43.7130382888 +22 42 39.071811263           ~ 1293 1
8 NAME Local Group GrG ~ ~           ~ 7778 0

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2022.10.06-00:52:51

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