| dc.creator | Saponara, Juliana | |
| dc.creator | Koribalski, Bärbel S. | |
| dc.creator | Patra, Narendra Nath | |
| dc.creator | Benaglia, Paula | |
| dc.date | 2020-07-07 | |
| dc.date | 2021-09-23T15:43:04Z | |
| dc.date.accessioned | 2023-07-15T03:09:27Z | |
| dc.date.available | 2023-07-15T03:09:27Z | |
| dc.identifier | http://sedici.unlp.edu.ar/handle/10915/125498 | |
| dc.identifier | issn:0004-640xX | |
| dc.identifier | issn:1572-946X | |
| dc.identifier.uri | https://repositorioslatinoamericanos.uchile.cl/handle/2250/7464654 | |
| dc.description | We present new H I data of the dwarf galaxy KK 69, obtained with the Giant Metrewave Radio Telescope (GMRT) with a signal-to-noise ratio almost double previous observations. We carried out a Gaussian spectral decomposition and stacking methods to identify the cold neutral medium (CNM) and the warm neutral medium (WNM) of the H I gas. We found that 30% of the total H I gas, which corresponds to a mass of ∼10⁷ M⊙, is in the CNM phase. The distribution of the H I in KK 69 is not symmetric. Our GMRT H I intensity map of KK 69 overlaid onto a Hubble Space Telescope image reveals an offset of ∼4 kpc between the H I high-density region and the stellar body, indicating it may be a dwarf transitional galaxy. The offset, along with the potential truncation of the H I body, are evidence of interaction with the central group spiral galaxy NGC 2683, indicating the H I gas is being stripped from KK 69. Additionally, we detected extended H I emission of a dwarf galaxy member of the group as well as a possible new galaxy located near the north-eastern part of the NGC 2683 H I disk. | |
| dc.description | Instituto Argentino de Radioastronomía | |
| dc.format | application/pdf | |
| dc.language | en | |
| dc.rights | http://creativecommons.org/licenses/by-nc-sa/4.0/ | |
| dc.rights | Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0) | |
| dc.subject | Ciencias Astronómicas | |
| dc.subject | Galaxies: groups: individual: KK 69, KK 70, NGC 2683 | |
| dc.subject | Galaxies: interactions | |
| dc.subject | Radio lines: galaxies | |
| dc.title | New HI observations of KK 69: is KK 69 a dwarf galaxy in transition? | |
| dc.type | Articulo | |
| dc.type | Preprint | |
