Discovery of Local Analogs to JWST's Little Red Dots

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dc.catalogadorvdr
dc.contributor.authorLin, Ruqiu
dc.contributor.authorZheng, Zhen-Ya
dc.contributor.authorJiang, Chunyan
dc.contributor.authorYuan, Fang-Ting
dc.contributor.authorHo, Luis C.
dc.contributor.authorWang, Junxian
dc.contributor.authorJiang, Linhua
dc.contributor.authorRhoads, James E.
dc.contributor.authorMalhotra, Sangeeta
dc.contributor.authorBarrientos, Luis Felipe
dc.contributor.authorWold, Isak
dc.contributor.authorInfante Lira, Leopoldo
dc.contributor.authorZhu, Shuairu
dc.contributor.authorJi, Xiang
dc.contributor.authorFu, Xiaodan
dc.date.accessioned2025-03-12T16:04:17Z
dc.date.available2025-03-12T16:04:17Z
dc.date.issued2024
dc.description.abstractRecently, the James Webb Space Telescope (JWST) has revealed a new class of high redshift (high- z , z > 4) compact galaxies which are red in the rest-frame optical and blue in the rest-frame UV as V-shaped spectral energy distributions (SEDs), referred to as “Little Red Dots” (LRDs). It is very likely that LRDs host obscured broad-line active galactic nuclei (AGNs). In the meanwhile, Green pea galaxies (GPs), which are compact dwarf galaxies at low redshift, share various similar properties with high redshift star-forming galaxies. Here we aim to find the connection between the LRDs and GPs hosting broad-line AGNs (BLGPs). With a sample of 19 BLGPs obtained from our previous work, we further identify 7 GPs with V-shaped rest-frame UV-to-optical SEDs that are likely local analogs to LRDs. These V-shaped BLGPs exhibit faint UV absolute magnitudes and sub-Eddington rates similar to those of LRDs. Three of them occupy a similar region as LRDs in the BPT diagram, suggesting they have similar ionization conditions and gas-phase metallicities to LRDs. These similarities suggest that V-shaped BLGPs can be taken as local analogs of high-redshift LRDs. In addition, most (16/19) BLGPs, including 6 V-shaped BLGPs, host over-massive black holes above the local M BH- M<sub>∗</sub> relation, making it the first sample of galaxies hosting over-massive black holes at z < 0.4. These findings will help us learn more about the formation and co-evolution of early galaxies and black holes.
dc.fechaingreso.objetodigital2025-03-12
dc.format.extent11 páginas
dc.fuente.origenWOS
dc.identifier.doi10.48550/arXiv.2412.08396
dc.identifier.eissn2331-8422
dc.identifier.urihttps://doi.org/10.48550/arXiv.2412.08396
dc.identifier.urihttps://repositorio.uc.cl/handle/11534/102526
dc.identifier.wosidWOS:119842205
dc.information.autorucInstituto de Astrofísica; Barrientos, Luis Felipe; 0000-0003-0151-0718; 102167
dc.information.autorucInstituto de Astrofísica; Infante Lira, Leopoldo; S/I; 55248
dc.language.isoen
dc.nota.accesoContenido completo
dc.pagina.final11
dc.pagina.inicio1
dc.revistaArxiv
dc.rightsacceso abierto
dc.rights.licenseCC BY-NC-SA 4.0 Attribution-NonCommercial-ShareAlike 4.0 International
dc.rights.urihttps://creativecommons.org/licenses/by-nc-sa/4.0/
dc.subjectActive galaxies 
dc.subjectCompact dwarf galaxies
dc.subjectSupermassive black holes
dc.subjectGalaxy evolution
dc.subjectHigh-redshift galaxies
dc.subject.ddc520
dc.subject.deweyAstronomíaes_ES
dc.titleDiscovery of Local Analogs to JWST's Little Red Dots
dc.typepreprint
sipa.codpersvinculados102167
sipa.codpersvinculados55248
sipa.trazabilidadWOS;2025-01-25
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