Proposal ID | 020738 |
Title | BLUE COMPACT DWARF GALAXY VIIZW403 |
Download Data Associated to the proposal | https://nxsa.esac.esa.int/nxsa-sl/servlet/data-action-aio?obsno=0207380101 |
DOI | https://doi.org/10.5270/esa-1kt0j8t |
Principal Investigator, PI | Dr KIYOSHI HAYASHIDA |
Abstract | VIIZw403 is one of the nearest blue compact dwarf galaxies with extremely lowmetallicity of 1/22-1/15 solar. We found a point-like source about 0.3 arcminapart from the center of the galaxy in the Chandra archived data. Emission lineof Oxygen is clearly visible in the X-ray spectrum of the source, indicating thethermal emission from hot optically thin plasma. The X-ray luminosity ofLx~10e38 erg/s, much higher than typical galactic SNRs, pauses a question on itsnature. We will obtain high quality X-ray spectrum with the XMM-Newton. Metalabundance determined in the observation will illustrate the origin of hot gas ingalaxies, in its simplified case. |
Publications |
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Instrument | EMOS1, EMOS2, EPN, OM, RGS1, RGS2 |
Temporal Coverage | 2004-10-07T02:23:40Z/2004-10-07T15:26:08Z |
Version | 17.56_20190403_1200 |
Mission Description | The European Space Agencys (ESA) X-ray Multi-Mirror Mission (XMM-Newton) was launched by an Ariane 504 on December 10th 1999. XMM-Newton is ESAs second cornerstone of the Horizon 2000 Science Programme. It carries 3 high throughput X-ray telescopes with an unprecedented effective area, and an optical monitor, the first flown on a X-ray observatory. The large collecting area and ability to make long uninterrupted exposures provide highly sensitive observations. Since Earths atmosphere blocks out all X-rays, only a telescope in space can detect and study celestial X-ray sources. The XMM-Newton mission is helping scientists to solve a number of cosmic mysteries, ranging from the enigmatic black holes to the origins of the Universe itself. Observing time on XMM-Newton is being made available to the scientific community, applying for observational periods on a competitive basis. |
Creator Contact | https://www.cosmos.esa.int/web/xmm-newton/xmm-newton-helpdesk |
Date Published | 2005-11-11T00:00:00Z |
Last Update | 2025-01-27 |
Keywords | "thermal emission", "10e38 erg", "xmm newton", "low metallicity", "XMM-Newton", "chandra archived data", "arcmin apart", "quality xray spectrum", "XMM", "xray spectrum", "emission line", "hot gas", "xray luminosity", "metal abundance" |
Publisher And Registrant | European Space Agency |
Credit Guidelines | European Space Agency, Dr KIYOSHI HAYASHIDA, 2005, 'BLUE COMPACT DWARF GALAXY VIIZW403', 17.56_20190403_1200, European Space Agency, https://doi.org/10.5270/esa-1kt0j8t |