2017
DOI: 10.1017/s1743921317010249
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Abstract: The Megamaser Cosmology Project (MCP) measures the Hubble Constant by determining geometric distances to circumnuclear 22 GHz H2O megamasers in galaxies at low redshift (z < 0.05) but well into the Hubble flow. In combination with the recent, exquisite observations of the Cosmic Microwave Background by WMAP and Planck, these measurements provide a direct test of the standard cosmological model and constrain the equation of state of dark energy. The MCP is a multi-year project that has recently completed obs… Show more

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Cited by 15 publications
(20 citation statements)
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References 9 publications
(13 reference statements)
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“…;Mrk 1419: Impellizzeri et al, in prep. ), and 13 maser disks were used to measure the SMBH mass (M SMBH , see Kuo et al 2011;Braatz et al 2015a;Gao et al 2017). As mentioned before, the distances measured by the MCP are among the most accurate measurements, but they are only available for three sources in our sample.…”
Section: Samplementioning
confidence: 99%
See 1 more Smart Citation
“…;Mrk 1419: Impellizzeri et al, in prep. ), and 13 maser disks were used to measure the SMBH mass (M SMBH , see Kuo et al 2011;Braatz et al 2015a;Gao et al 2017). As mentioned before, the distances measured by the MCP are among the most accurate measurements, but they are only available for three sources in our sample.…”
Section: Samplementioning
confidence: 99%
“…The MCP has provided precise measures of the M SMBH for 13 galaxies Braatz et al 2015a;Gao et al 2017). In Fig.…”
Section: Black Hole Massesmentioning
confidence: 99%
“…The overall detection rate in large maser surveys is rather low (e.g. Braatz et al 1997;Greenhill et al 2003a;van den Bosch et al 2016) and is about 3% for sources observed within the MCP, which mainly targets galaxies selected from large optical surveys, such as SDSS, 6dF, and 2MRS (Braatz et al 2015; see also Greenhill et al 2003b;Zhu et al 2011). Hagiwara et al (2002Hagiwara et al ( , 2003 selected their targets based on the ratio of radio continuum to IR (60 µ and 100 µ) flux densities from IRAS galaxies and obtained a slightly higher detection rate of 8%.…”
Section: Introductionmentioning
confidence: 99%
“…The overall detection rate in large maser surveys is rather low (e.g. Braatz et al 1997;Greenhill et al 2003;Van den Bosch et al 2016) and is about 3% for sources observed within the MCP, which mainly targets galaxies selected from large optical surveys, such as SDSS, 6dF, and 2MRS (Braatz et al 2015; see also Greenhill et al 2003;Zhu et al 2011). Hagiwara et al (2002; selected their targets based on the ratio of radio continuum to IR (60 µ and 100 µ) flux densities from IRAS galaxies and obtained a slightly higher detection rate of 8%.…”
Section: Introductionmentioning
confidence: 99%