Extended Ionized Fe Objects in the UWIFE Survey
Fuente:
arXiv
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| Autori principali: | , , , , , , , , , |
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| Natura: | Preprint |
| Pubblicazione: |
2026
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| Soggetti: | |
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| author | Yesol, Kim Bon-Chul, Koo Tae-Soo, Pyo Dirk, Froebrich Woong-Seob, Jeong Jae-Joon, Lee Yong-Hyun, Lee Ho-Gyu, Lee Hyun-Jeong, Kim Watson, Varricatt P. |
| author_facet | Yesol, Kim Bon-Chul, Koo Tae-Soo, Pyo Dirk, Froebrich Woong-Seob, Jeong Jae-Joon, Lee Yong-Hyun, Lee Ho-Gyu, Lee Hyun-Jeong, Kim Watson, Varricatt P. |
| contents | We explore systematically the shocked gas in the first Galactic quadrant of the Milky Way using the United Kingdom Infrared Telescope (UKIRT) Wide-field Infrared Survey for Fe+ (UWIFE). The UWIFE survey is the first imaging survey of the Milky Way in the [Fe II] 1.644 um emission line and covers the Galactic plane in the first Galactic quadrant (7 deg < l < 62 deg; |b| < 1.5 deg). We identify 204 extended ionized Fe objects (IFOs) using a combination of a manual and automatic search. Most of the IFOs are detected for the first time in the [Fe II] 1.644 um line. We present a catalog of the measured sizes and fluxes of the IFOs and searched for their counterparts by performing positional cross-matching with known sources. We found that IFOs are associated with supernova remnants (25), young stellar objects (100), H II regions (33), planetary nebulae (17), and luminous blue variables (4). The statistical and morphological properties are discussed for each of these. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2601_01812 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Extended Ionized Fe Objects in the UWIFE Survey Yesol, Kim Bon-Chul, Koo Tae-Soo, Pyo Dirk, Froebrich Woong-Seob, Jeong Jae-Joon, Lee Yong-Hyun, Lee Ho-Gyu, Lee Hyun-Jeong, Kim Watson, Varricatt P. Astrophysics of Galaxies We explore systematically the shocked gas in the first Galactic quadrant of the Milky Way using the United Kingdom Infrared Telescope (UKIRT) Wide-field Infrared Survey for Fe+ (UWIFE). The UWIFE survey is the first imaging survey of the Milky Way in the [Fe II] 1.644 um emission line and covers the Galactic plane in the first Galactic quadrant (7 deg < l < 62 deg; |b| < 1.5 deg). We identify 204 extended ionized Fe objects (IFOs) using a combination of a manual and automatic search. Most of the IFOs are detected for the first time in the [Fe II] 1.644 um line. We present a catalog of the measured sizes and fluxes of the IFOs and searched for their counterparts by performing positional cross-matching with known sources. We found that IFOs are associated with supernova remnants (25), young stellar objects (100), H II regions (33), planetary nebulae (17), and luminous blue variables (4). The statistical and morphological properties are discussed for each of these. |
| title | Extended Ionized Fe Objects in the UWIFE Survey |
| topic | Astrophysics of Galaxies |
| url | https://arxiv.org/abs/2601.01812 |