1999AJ....118..826I


C.D.S. - SIMBAD4 rel 1.7 - 2020.02.17CET23:37:46

1999AJ....118..826I - Astron. J., 118, 826-830 (1999/August-0)

An infrared determination of the reddening and distance to Dwingeloo 1.

IVANOV V.D., ALONSO-HERRERO A., RIEKE M.J. and McCARTHY D.

Abstract (from CDS):

We present the first published infrared observations of the nearby, highly obscured galaxy Dwingeloo 1 (Dw 1), including deep H-band imaging covering a total of 4'.9x4'.9, together with J and Ks imagingof the central 2'.5x2'.5. We used the small dispersion of the intrinsic infrared colors of spiral galaxies to determine an infrared H-band extinction ofAH = 0.47±0.11 mag toward Dw 1. Using infrared colorsreduces the uncertainties in the reddening and distance by a factor of 3. The H-band magnitude, corrected for extinction, and the infrared Tully-Fisher relation are then used to estimate a distance modulusof (m-M)0=28.62±0.27 and, thus, a distance of d=5.3+0.7–0.6 Mpc, which places Dw 1 at the far end of the IC 342/Maffei 1-2 group of galaxies. Our result is largely independent of the nature of the reddening law because we estimated both the reddening and the distance at the same wavelength range.

Abstract Copyright:

Journal keyword(s): Galaxies: Individual: Name: Dwingeloo 1 - Galaxies: Distances and Redshifts - Galaxies: Photometry - Infrared Radiation

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 - 2020
#notes
1 LBN 659 GiG 02 36 35.469 +59 39 16.53   17       ~ 174 2
2 UGCA 39 GiG 02 41 55.092 +59 36 14.73   16       ~ 320 1
3 NAME Cas 2 GiG 02 56 51.6375962677 +58 54 42.158686700           ~ 75 0
4 IC 342 SBG 03 46 48.514 +68 05 45.98   10.5       ~ 1370 1
5 NAME IC 342 Group GrG 03 48 42 +68 00.8           ~ 97 1
6 NGC 1560 GiG 04 32 49.087 +71 52 59.20   12.1       ~ 239 0
7 UGCA 105 GiG 05 14 15.3240822656 +62 34 47.963432681   15.3       ~ 72 1
8 NAME Ursa Major Cluster ClG 15 08.8 +67 07           ~ 375 0

    Equat.    Gal    SGal    Ecl

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2020.02.17-23:37:46

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