Multi-wavelength Optical and NIR Variability Analysis of the Blazar PKS 0027-426
We present multi-wavelength spectral and temporal variability analysis of PKS 0027-426 using optical griz observations from DES (Dark Energy Survey) between 2013-2018 and VOILETTE (VEILS Optical Light curves of Extragalactic TransienT Events) between 2018-2019 and near infrared (NIR) JKs observation...
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| creator | Guise, E Hönig, S F Almeyda, T Horne, K Kishimoto, M Aguena, M Allam, S Andrade-Oliveira, F Asorey, J Banerji, M Bertin, E Boulderstone, B Brooks, D Burke, D L A Carnero Rosell Carollo, D M Carrasco Kind Carretero, J Costanzi, M da Costa, L N Davis, T M De Vicente, J Doel, P Everett, S Ferrero, I Flaugher, B Frieman, J Gandhi, P Goad, M Gruen, D Gruendl, R A Gschwend, J Gutierrez, G Hinton, S R Hollowood, D L Honscheid, K James, D J Johnson, M A C Kuehn, K Lewis, G F Lidman, C Lima, M Maia, M A G Malik, U Menanteau, F Miquel, R Morgan, R Ogando, R L C Palmese, A Paz-Chinchón, F Pereira, M E S Pieres, A Plazas Malagón, A A Sanchez, E Scarpine, V Serrano, S Sevilla-Noarbe, I Seymour, N Smith, M Soares-Santos, M Suchyta, E Swanson, M E C Tarle, G C To Tucker, B E |
| description | We present multi-wavelength spectral and temporal variability analysis of PKS 0027-426 using optical griz observations from DES (Dark Energy Survey) between 2013-2018 and VOILETTE (VEILS Optical Light curves of Extragalactic TransienT Events) between 2018-2019 and near infrared (NIR) JKs observations from VEILS (VISTAExtragalactic Infrared Legacy Survey) between 2017-2019. Multiple methods of cross-correlation of each combination of light curve provides measurements of possible lags between optical-optical, optical-NIR, and NIR-NIR emission, for each observation season and for the entire observational period. Inter-band time lag measurements consistently suggest either simultaneous emission or delays between emission regions on timescales smaller than the cadences of observations. The colour-magnitude relation between each combination of filters was also studied to determine the spectral behaviour of PKS 0027-426. Our results demonstrate complex colour behaviour that changes between bluer when brighter (BWB), stable when brighter (SWB) and redder when brighter (RWB) trends over different timescales and using different combinations of optical filters. Additional analysis of the optical spectra is performed to provide further understanding of this complex spectral behaviour. |
| doi_str_mv | 10.48550/arxiv.2108.13386 |
| format | Article |
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Multiple methods of cross-correlation of each combination of light curve provides measurements of possible lags between optical-optical, optical-NIR, and NIR-NIR emission, for each observation season and for the entire observational period. Inter-band time lag measurements consistently suggest either simultaneous emission or delays between emission regions on timescales smaller than the cadences of observations. The colour-magnitude relation between each combination of filters was also studied to determine the spectral behaviour of PKS 0027-426. Our results demonstrate complex colour behaviour that changes between bluer when brighter (BWB), stable when brighter (SWB) and redder when brighter (RWB) trends over different timescales and using different combinations of optical filters. Additional analysis of the optical spectra is performed to provide further understanding of this complex spectral behaviour.</description><identifier>EISSN: 2331-8422</identifier><identifier>DOI: 10.48550/arxiv.2108.13386</identifier><language>eng</language><publisher>Ithaca: Cornell University Library, arXiv.org</publisher><subject>Color ; Cross correlation ; Dark energy ; Emission ; Light curve ; Near infrared radiation ; Optical filters ; Physics - Astrophysics of Galaxies ; Physics - High Energy Astrophysical Phenomena ; Sky surveys (astronomy) ; Spectra ; Time lag ; Variability</subject><ispartof>arXiv.org, 2021-11</ispartof><rights>2021. This work is published under http://creativecommons.org/licenses/by/4.0/ (the “License”). 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Multiple methods of cross-correlation of each combination of light curve provides measurements of possible lags between optical-optical, optical-NIR, and NIR-NIR emission, for each observation season and for the entire observational period. Inter-band time lag measurements consistently suggest either simultaneous emission or delays between emission regions on timescales smaller than the cadences of observations. The colour-magnitude relation between each combination of filters was also studied to determine the spectral behaviour of PKS 0027-426. Our results demonstrate complex colour behaviour that changes between bluer when brighter (BWB), stable when brighter (SWB) and redder when brighter (RWB) trends over different timescales and using different combinations of optical filters. Additional analysis of the optical spectra is performed to provide further understanding of this complex spectral behaviour.</description><subject>Color</subject><subject>Cross correlation</subject><subject>Dark energy</subject><subject>Emission</subject><subject>Light curve</subject><subject>Near infrared radiation</subject><subject>Optical filters</subject><subject>Physics - Astrophysics of Galaxies</subject><subject>Physics - High Energy Astrophysical Phenomena</subject><subject>Sky surveys (astronomy)</subject><subject>Spectra</subject><subject>Time 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Gutierrez, G ; Hinton, S R ; Hollowood, D L ; Honscheid, K ; James, D J ; Johnson, M A C ; Kuehn, K ; Lewis, G F ; Lidman, C ; Lima, M ; Maia, M A G ; Malik, U ; Menanteau, F ; Miquel, R ; Morgan, R ; Ogando, R L C ; Palmese, A ; Paz-Chinchón, F ; Pereira, M E S ; Pieres, A ; Plazas Malagón, A A ; Sanchez, E ; Scarpine, V ; Serrano, S ; Sevilla-Noarbe, I ; Seymour, N ; Smith, M ; Soares-Santos, M ; Suchyta, E ; Swanson, M E C ; Tarle, G ; C To ; Tucker, B E</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a528-9fc39eea7006bddc4e6a759e874b7538681865231f7f04d456325c6fb58a98003</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2021</creationdate><topic>Color</topic><topic>Cross correlation</topic><topic>Dark energy</topic><topic>Emission</topic><topic>Light curve</topic><topic>Near infrared radiation</topic><topic>Optical filters</topic><topic>Physics - Astrophysics of Galaxies</topic><topic>Physics - 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Edition</collection><collection>ProQuest Central China</collection><collection>Engineering Collection</collection><collection>arXiv.org</collection><jtitle>arXiv.org</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Guise, E</au><au>Hönig, S F</au><au>Almeyda, T</au><au>Horne, K</au><au>Kishimoto, M</au><au>Aguena, M</au><au>Allam, S</au><au>Andrade-Oliveira, F</au><au>Asorey, J</au><au>Banerji, M</au><au>Bertin, E</au><au>Boulderstone, B</au><au>Brooks, D</au><au>Burke, D L</au><au>A Carnero Rosell</au><au>Carollo, D</au><au>M Carrasco Kind</au><au>Carretero, J</au><au>Costanzi, M</au><au>da Costa, L N</au><au>Davis, T M</au><au>De Vicente, J</au><au>Doel, P</au><au>Everett, S</au><au>Ferrero, I</au><au>Flaugher, B</au><au>Frieman, J</au><au>Gandhi, P</au><au>Goad, M</au><au>Gruen, D</au><au>Gruendl, R A</au><au>Gschwend, J</au><au>Gutierrez, G</au><au>Hinton, S R</au><au>Hollowood, D L</au><au>Honscheid, K</au><au>James, D J</au><au>Johnson, M A C</au><au>Kuehn, K</au><au>Lewis, G F</au><au>Lidman, C</au><au>Lima, M</au><au>Maia, M A G</au><au>Malik, U</au><au>Menanteau, F</au><au>Miquel, R</au><au>Morgan, R</au><au>Ogando, R L C</au><au>Palmese, A</au><au>Paz-Chinchón, F</au><au>Pereira, M E S</au><au>Pieres, A</au><au>Plazas Malagón, A A</au><au>Sanchez, E</au><au>Scarpine, V</au><au>Serrano, S</au><au>Sevilla-Noarbe, I</au><au>Seymour, N</au><au>Smith, M</au><au>Soares-Santos, M</au><au>Suchyta, E</au><au>Swanson, M E C</au><au>Tarle, G</au><au>C To</au><au>Tucker, B E</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Multi-wavelength Optical and NIR Variability Analysis of the Blazar PKS 0027-426</atitle><jtitle>arXiv.org</jtitle><date>2021-11-25</date><risdate>2021</risdate><eissn>2331-8422</eissn><abstract>We present multi-wavelength spectral and temporal variability analysis of PKS 0027-426 using optical griz observations from DES (Dark Energy Survey) between 2013-2018 and VOILETTE (VEILS Optical Light curves of Extragalactic TransienT Events) between 2018-2019 and near infrared (NIR) JKs observations from VEILS (VISTAExtragalactic Infrared Legacy Survey) between 2017-2019. Multiple methods of cross-correlation of each combination of light curve provides measurements of possible lags between optical-optical, optical-NIR, and NIR-NIR emission, for each observation season and for the entire observational period. Inter-band time lag measurements consistently suggest either simultaneous emission or delays between emission regions on timescales smaller than the cadences of observations. The colour-magnitude relation between each combination of filters was also studied to determine the spectral behaviour of PKS 0027-426. Our results demonstrate complex colour behaviour that changes between bluer when brighter (BWB), stable when brighter (SWB) and redder when brighter (RWB) trends over different timescales and using different combinations of optical filters. Additional analysis of the optical spectra is performed to provide further understanding of this complex spectral behaviour.</abstract><cop>Ithaca</cop><pub>Cornell University Library, arXiv.org</pub><doi>10.48550/arxiv.2108.13386</doi><oa>free_for_read</oa></addata></record> |
| fulltext | fulltext |
| identifier | EISSN: 2331-8422 |
| ispartof | arXiv.org, 2021-11 |
| issn | 2331-8422 |
| language | eng |
| recordid | cdi_arxiv_primary_2108_13386 |
| source | arXiv.org; Free E- Journals |
| subjects | Color Cross correlation Dark energy Emission Light curve Near infrared radiation Optical filters Physics - Astrophysics of Galaxies Physics - High Energy Astrophysical Phenomena Sky surveys (astronomy) Spectra Time lag Variability |
| title | Multi-wavelength Optical and NIR Variability Analysis of the Blazar PKS 0027-426 |
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