2016ApJ...832..182C

Query : 2016ApJ...832..182C

2016ApJ...832..182C - Astrophys. J., 832, 182-182 (2016/December-1)

SDSS-IV MaNGA: a serendipitous observation of a potential gas accretion event.

CHEUNG E., STARK D.V., HUANG S., RUBIN K.H.R., LIN L., TREMONTI C., ZHANG K., YAN R., BIZYAEV D., BOQUIEN M., BROWNSTEIN J.R., DRORY N., GELFAND J.D., KNAPEN J.H., MAIOLINO R., MALANUSHENKO O., MASTERS K.L., MERRIFIELD M.R., PACE Z., PAN K., RIFFEL R.A., ROMAN-LOPES A., RUJOPAKARN W., SCHNEIDER D.P., STOTT J.P., THOMAS D. and WEIJMANS A.-M.

Abstract (from CDS):

The nature of warm, ionized gas outside of galaxies may illuminate several key galaxy evolutionary processes. A serendipitous observation by the MaNGA survey has revealed a large, asymmetric Hα complex with no optical counterpart that extends ≃8'' (≃6.3 kpc) beyond the effective radius of a dusty, starbursting galaxy. This Hα extension is approximately three times the effective radius of the host galaxy and displays a tail-like morphology. We analyze its gas-phase metallicities, gaseous kinematics, and emission-line ratios and discuss whether this Hα extension could be diffuse ionized gas, a gas accretion event, or something else. We find that this warm, ionized gas structure is most consistent with gas accretion through recycled wind material, which could be an important process that regulates the low-mass end of the galaxy stellar mass function.

Journal keyword(s): galaxies: abundances - galaxies: evolution - galaxies: formation - galaxies: starburst - galaxies: starburst

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	SDSS J211748.43+113938.1	EmG	21 17 48.4339288104	+11 39 38.037577824						~	11	0

Query : 2016ApJ...832..182C

Basic data :

SDSS J211748.43+113938.1 -- Emission-line galaxy

G (2012ApJS), EmG (2023A&A), * (Gaia), Opt (SDSS)

21 17 48.4339288104 +11 39 38.037577824 (Optical) [ 15.6456 13.0067 90 ] C 2020yCat.1350....0G

21 15 23.5922444155 +11 26 59.933773910 [ 15.6456 13.0067 90 ]

062.4984486678001 -25.3044342815564 [ 15.6456 13.0067 90 ]

V(km/s) 11130 [3] / z(spectroscopic) 0.03784 [0.00001] / cz 11344.1 [3.0] (Opt) C 2020ApJS..249....3A

0.155733332 0.155733332 0 (Opt) E 2022ApJS..262...36S

G 21.717628 [0.045342] C 2020yCat.1350....0G

u (AB) 20.616 [0.145] D 2020ApJS..249....3A

g (AB) 18.733 [0.013] C 2020ApJS..249....3A

r (AB) 17.817 [0.009] B 2020ApJS..249....3A

i (AB) 17.285 [0.009] B 2020ApJS..249....3A

z (AB) 16.970 [0.022] C 2020ApJS..249....3A

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SDSS J211748.43+113938.1 MaNGA 1-113700 MaNGA 8618-12703 Gaia DR3 1746386105451516416

References (11 between 1850 and 2026) (Total 11)
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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Data at NED - NASA/IPAC Extragalactic Database : SDSS J211748.43+113938.1

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SDSS J211748.43+113938.1 Gaia DR3 1746386105451516416

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