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| Mrk 1419 | |
|---|---|
| Name | Mrk 1419 |
| Type | Seyfert 2 galaxy |
| Constellation | Ursa Major |
| Redshift | 0.023 |
| Epoch | J2000 |
Mrk 1419 is a Seyfert galaxy known for luminous water maser emission in the nucleus, notable within studies of active galactic nuclei, megamasers, and distance ladder calibrations. The source has been addressed in surveys and targeted observations by teams associated with observatories and missions such as the Very Large Array, Effelsberg 100-m Radio Telescope, Green Bank Telescope, Very Long Baseline Array, and space programs like the Hubble Space Telescope and Spitzer Space Telescope.
The galaxy was cataloged in compilations alongside objects from the Markarian catalog, the Second Byurakan Survey, and listings used by researchers at institutes including the Sloan Digital Sky Survey, the Palomar Observatory, and the Mount Palomar Hale Telescope. Initial optical identification referenced spectral work comparable to studies executed at the Keck Observatory, the Calar Alto Observatory, and the European Southern Observatory, with follow-up radio detections reported by groups affiliated with the Max Planck Institute for Radio Astronomy and the National Radio Astronomy Observatory.
The host is classified within morphological schemes used by researchers at institutions such as the Carnegie Institution for Science and the Royal Astronomical Society, with imaging campaigns employing instruments like the Hubble Space Telescope Wide Field Camera and the Sloan Digital Sky Survey telescope. Photometric and spectroscopic analyses reference comparisons to systems in catalogs from the Two Micron All Sky Survey, the Infrared Astronomical Satellite, and the Wide-field Infrared Survey Explorer, and contextualize the galaxy against samples studied by the European Southern Observatory Very Large Telescope and the Subaru Telescope.
The nucleus hosts a 22 GHz water megamaser detected in surveys led by teams at the Max Planck Institute for Radio Astronomy, the Green Bank Telescope, and the Effelsberg 100-m Radio Telescope, with high-resolution mapping by the Very Long Baseline Array and the European VLBI Network. Maser line studies reference methods developed in parallel with research on objects such as NGC 4258, NGC 1068, and Circinus Galaxy, and involve analysis techniques from groups at the Harvard-Smithsonian Center for Astrophysics, the California Institute of Technology, and the Massachusetts Institute of Technology.
The active nucleus has been classified within Seyfert taxonomy used in comparative work by teams at the Space Telescope Science Institute and the Royal Astronomical Society, with nuclear emission-line diagnostics compared to spectra from the Sloan Digital Sky Survey, the Large Binocular Telescope, and the Anglo-Australian Telescope. Black hole mass estimates utilize megamaser kinematics analogous to calibrations performed for NGC 4258 and methods advanced by researchers at the Jet Propulsion Laboratory, the National Astronomical Observatory of Japan, and the Max Planck Institute for Extraterrestrial Physics.
Geometric distances inferred from maser disk modeling employ techniques developed for the extragalactic distance scale by collaborations including the Megamaser Cosmology Project, the Hubble Space Telescope Key Project, and teams associated with the Carnegie Hubble Program. Derived distances inform comparisons with redshift measurements from surveys such as the Sloan Digital Sky Survey and cosmological parameters constrained by missions like Planck and projects involving the Hubble Space Telescope and the Very Large Array Sky Survey.
Observational campaigns have combined single-dish monitoring at facilities like the Effelsberg 100-m Radio Telescope, the Green Bank Telescope, and the Arecibo Observatory with interferometric imaging from the Very Long Baseline Array, the European VLBI Network, and the Very Large Array. Complementary optical and infrared data have been acquired via the Hubble Space Telescope, the Spitzer Space Telescope, the Two Micron All Sky Survey, and ground-based instruments at the Keck Observatory, the Subaru Telescope, and the Very Large Telescope.