SIMBAD references

2020ApJ...902..145K - Astrophys. J., 902, 145-145 (2020/October-3)

Cosmicflows-4: the catalog of ∼10,000 Tully-Fisher distances.

KOURKCHI E., TULLY R.B., EFTEKHARZADEH S., LLOP J., COURTOIS H.M., GUINET D., DUPUY A., NEILL J.D., SEIBERT M., ANDREWS M., CHUANG J., DANESH A., GONZALEZ R., HOLTHAUS A., MOKELKE A., SCHOEN D. and URASAKI C.

Abstract (from CDS):

We present the distances of 9792 spiral galaxies lying within 15,000 km s–1 using the relation between luminosity and rotation rate of spiral galaxies. The sample is dominantly, but not exclusively, drawn from galaxies detected in the course of the ALFALFA H I survey with the Arecibo Telescope. Relations between H I line widths and luminosity are calibrated at SDSS u, g, r, i, z bands and WISE W1 and W2 bands. By exploiting secondary parameters, particularly color indices, we address discrepancies between measured distances at different wave bands with unprecedented detail. We provide a catalog that includes reduced kinematic, photometric, and inclination parameters. We also describe a machine-learning algorithm, based on the random forest technique, that predicts the dust attenuation in spirals lacking infrared photometry. We determine a Hubble Constant value of H0 = 75.1 ± 0.2(stat.), with potential systematics up to ±3 km s–1 Mpc–1.

Abstract Copyright: © 2020. The American Astronomical Society. All rights reserved.

Journal keyword(s): Galaxy distances - Spiral galaxies - Galaxy photometry - Hubble constant - H I line emission - Large-scale structure of the universe - Inclination - Sky surveys - Catalogs - Distance measure - Random Forests

VizieR on-line data: <Available at CDS (J/ApJ/902/145): table1.dat table4.dat>

Status at CDS : Tables of objects mostly ingested in SIMBAD; some problems could not be solved.

Simbad objects: 10723

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