2022MNRAS.514.2278B

Query : 2022MNRAS.514.2278B

2022MNRAS.514.2278B - Mon. Not. R. Astron. Soc., 514, 2278-2297 (2022/August-1)

A novel approach for calculating galaxy rotation curves using spaxel cross-correlation and iterative smoothing.

BAG S., SHAFIELOO A., SMITH R., CHUNG H., LINDER E.V., PARK C., ABYLKAIROV Y.S. and YELSHIBEKOV K.

Abstract (from CDS):

Precise measurements of the internal dynamics of galaxies have proven of great importance for understanding the internal dark matter distribution of galaxies. We present a novel method for measuring the line-of-sight (LOS) velocities across the face of galaxies by cross-correlation of spectral pixels (spaxels) and an iterative method of smoothing. On simulated data the method can accurately recover the input LOS velocities for different types of spectra (absorption-line dominated, emission-line dominated, and differing shapes of the continuum), and can handle stellar population radial gradients. Most important of all, it continues to provide reliable measurements of LOS velocities with reasonable uncertainties even when the spectra are very low signal-to-noise ratio (approaching ∼1), which is a challenge for traditional template-fitting approaches. We apply our method to data from a real MaNGA galaxy as a demonstration and find promising results with good precision. This novel approach can be complementary to existing methods primarily based on template fitting.

Abstract Copyright: © 2022 The Author(s) Published by Oxford University Press on behalf of Royal Astronomical Society

Journal keyword(s): methods: data analysis - methods: statistical - Galaxy: kinematics and dynamics

Simbad objects: 1

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Number of rows : 1
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 Z 299-57 AGN 17 11 00.5398395744 +56 56 07.324536264   15.2       ~ 34 0

Query : 2022MNRAS.514.2278B

Basic data :
Z 299-57 -- Active Galaxy Nucleus
Other object types: otypes_help 		G (2006AJ,Z,...), IR (IRAS,ISOSS,...), Rad (FIRST,NVSS), AGN (2020ApJ), * (Gaia), Opt (SDSS)
ICRS coord. (ep=J2000) : 		17 11 00.5398395744 +56 56 07.324536264 (Optical) [ 9.7999 12.6913 90 ] C 2020yCat.1350....0G
FK4 coord. (ep=B1950 eq=1950) : 		17 10 07.1133369228 +56 59 41.732843461 [ 9.7999 12.6913 90 ]
Gal coord. (ep=J2000) : 		085.2792657352442 +36.0273395482177 [ 9.7999 12.6913 90 ]
Radial velocity / Redshift / cz : 		V(km/s) 8538 [~] / z(spectroscopic) 0.028897 [~] / cz 8663.10 [~]
   (Opt) D 2017AJ....154...86W
Morphological type: 		S... D 2007A&A...462...81C
Angular size (arcmin): 		0.877777 0.383237 7 (Opt) B 2023ApJS..269....3M
Fluxes (10) :
B 15.2 [~] E ~
G 21.438948 [0.039257] C 2020yCat.1350....0G
J 12.520 [0.039] C 2006AJ....131.1163S
H 11.865 [0.045] C 2006AJ....131.1163S
K 11.457 [0.061] C 2006AJ....131.1163S
u (AB) 16.326 [0.009] C 2020ApJS..249....3A
g (AB) 15.109 [0.005] C 2020ApJS..249....3A
r (AB) 14.431 [0.002] C 2020ApJS..249....3A
i (AB) 14.050 [0.002] C 2020ApJS..249....3A
z (AB) 13.739 [0.004] C 2020ApJS..249....3A
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Hierarchy : number of linked objects
whatever the membership probability is (see description here ) :

: 2 : 12 Display criteria :

Identifiers (17) :
An access of full data is available using the icon Vizier near the identifier of the catalogue

Z 299-57 LEDA 59767 NVSS J171101+565608 [SLK2004] 1331
FIRST J171100.5+565607 MaNGA 1-595027 PSCz Q17101+5659 Gaia DR3 1432636403723300224
IRAS F17101+5659 MaNGA 7991-12701 SDSS J171100.56+565607.4
IRAS 17101+5659 2MASX J17110055+5656082 UZC J171100.6+565608
ISOSS J17110+5656 MCG+10-24-102 Z 1710.1+5700

References (34 between 1850 and 2026) (Total 34)
Simbad bibliographic survey began in 1850 for stars (at least bright stars) and in 1983 for all other objects (outside the solar system).
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Collections of Measurements Description of Measurements

Velocities : 3   

   

External archives :

Data at NED - NASA/IPAC Extragalactic Database : Z 299-57

Link by name to the catalogue in VizieR :

FIRST J171100.5+565607 IRAS F17101+5659 IRAS 17101+5659 2MASX J17110055+5656082 NVSS J171101+565608
SDSS J171100.56+565607.4 Gaia DR3 1432636403723300224

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