DECaPS and SMA Discovery of a Highly Inclined Class I Young Stellar Object with an Outflow: IRAS 08235–4316
We present images of IRAS 08235–4316 with the Dark Energy Camera Plane Survey (DECaPS; spanning 0.398–1.034 μ m, at ∼1″ resolution) and the Submillimeter Array (SMA; at 1.38 mm (217 GHz) and ∼1 $\mathop{.}\limits^{^{\prime\prime} }$ 9 × 1 $\mathop{.}\limits^{^{\prime\prime} }$ 2 resolution), a young...
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2024-01-01
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| Online Access: | https://doi.org/10.3847/1538-3881/ad93b1 |
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| author | Joshua Bennett Lovell Kristina Monsch Garrett K. Keating David J. Wilner Gordian Edenhofer Mark Gurwell Ramprasad Rao |
| author_facet | Joshua Bennett Lovell Kristina Monsch Garrett K. Keating David J. Wilner Gordian Edenhofer Mark Gurwell Ramprasad Rao |
| author_sort | Joshua Bennett Lovell |
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| description | We present images of IRAS 08235–4316 with the Dark Energy Camera Plane Survey (DECaPS; spanning 0.398–1.034 μ m, at ∼1″ resolution) and the Submillimeter Array (SMA; at 1.38 mm (217 GHz) and ∼1 $\mathop{.}\limits^{^{\prime\prime} }$ 9 × 1 $\mathop{.}\limits^{^{\prime\prime} }$ 2 resolution), a young stellar object (YSO) located in the Vela constellation near to the Puppis boundary, detected in a systematic search for new large/extended emission sources. The DECaPS data show an asymmetric bipolar morphology with a large angular extent of ∼7 $\mathop{.}\limits^{^{\prime\prime} }$ 1 separated by a dark lane, characteristic of highly inclined protoplanetary disks and less-evolved YSOs with outflows. The SMA data show an extended continuum structure along the optical dark lane with a smaller angular extent of ∼4 $\mathop{.}\limits^{^{\prime\prime} }$ 6. The detected ^12 CO J = 2–1 emission tentatively shows a velocity gradient along the position angle of the dark lane/millimeter continuum, which may trace rotating gas. Additional ^12 CO emission is present, which could trace infalling/outflowing gas and/or a nearby gas cloud. We estimate a distance to IRAS 08235–4316 of at least ∼191 pc. Supported by additional spectral energy distribution modelling, we infer IRAS 08235–4316 to be a newly discovered Class I YSO with an outflow, host to an embedded protoplanetary disk, with a large millimeter radius of ∼440 au and dust mass ≳ 11 M _⊕ . |
| format | Article |
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| institution | DOAJ |
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| language | English |
| publishDate | 2024-01-01 |
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| series | The Astronomical Journal |
| spelling | doaj-art-18610074d56d419dbcddbb627403d1fc2025-08-20T03:17:39ZengIOP PublishingThe Astronomical Journal1538-38812024-01-0116915110.3847/1538-3881/ad93b1DECaPS and SMA Discovery of a Highly Inclined Class I Young Stellar Object with an Outflow: IRAS 08235–4316Joshua Bennett Lovell0https://orcid.org/0000-0002-4248-5443Kristina Monsch1https://orcid.org/0000-0002-5688-6790Garrett K. Keating2https://orcid.org/0000-0002-3490-146XDavid J. Wilner3https://orcid.org/0000-0003-1526-7587Gordian Edenhofer4https://orcid.org/0000-0003-3122-4894Mark Gurwell5https://orcid.org/0000-0003-0685-3621Ramprasad Rao6https://orcid.org/0000-0002-1407-7944Center for Astrophysics | Harvard & Smithsonian, 60 Garden Street, Cambridge, MA 02138-1516, USACenter for Astrophysics | Harvard & Smithsonian, 60 Garden Street, Cambridge, MA 02138-1516, USACenter for Astrophysics | Harvard & Smithsonian, 60 Garden Street, Cambridge, MA 02138-1516, USACenter for Astrophysics | Harvard & Smithsonian, 60 Garden Street, Cambridge, MA 02138-1516, USACenter for Astrophysics | Harvard & Smithsonian, 60 Garden Street, Cambridge, MA 02138-1516, USA; Max Planck Institute for Astrophysics , Karl-Schwarzschild-Str. 1, 85741 Garching, Germany; Ludwig Maximilian University of Munich , Geschwister-Scholl-Platz 1, 80539 Munich, GermanyCenter for Astrophysics | Harvard & Smithsonian, 60 Garden Street, Cambridge, MA 02138-1516, USACenter for Astrophysics | Harvard & Smithsonian, 60 Garden Street, Cambridge, MA 02138-1516, USAWe present images of IRAS 08235–4316 with the Dark Energy Camera Plane Survey (DECaPS; spanning 0.398–1.034 μ m, at ∼1″ resolution) and the Submillimeter Array (SMA; at 1.38 mm (217 GHz) and ∼1 $\mathop{.}\limits^{^{\prime\prime} }$ 9 × 1 $\mathop{.}\limits^{^{\prime\prime} }$ 2 resolution), a young stellar object (YSO) located in the Vela constellation near to the Puppis boundary, detected in a systematic search for new large/extended emission sources. The DECaPS data show an asymmetric bipolar morphology with a large angular extent of ∼7 $\mathop{.}\limits^{^{\prime\prime} }$ 1 separated by a dark lane, characteristic of highly inclined protoplanetary disks and less-evolved YSOs with outflows. The SMA data show an extended continuum structure along the optical dark lane with a smaller angular extent of ∼4 $\mathop{.}\limits^{^{\prime\prime} }$ 6. The detected ^12 CO J = 2–1 emission tentatively shows a velocity gradient along the position angle of the dark lane/millimeter continuum, which may trace rotating gas. Additional ^12 CO emission is present, which could trace infalling/outflowing gas and/or a nearby gas cloud. We estimate a distance to IRAS 08235–4316 of at least ∼191 pc. Supported by additional spectral energy distribution modelling, we infer IRAS 08235–4316 to be a newly discovered Class I YSO with an outflow, host to an embedded protoplanetary disk, with a large millimeter radius of ∼440 au and dust mass ≳ 11 M _⊕ .https://doi.org/10.3847/1538-3881/ad93b1Protoplanetary disksYoung stellar objects |
| spellingShingle | Joshua Bennett Lovell Kristina Monsch Garrett K. Keating David J. Wilner Gordian Edenhofer Mark Gurwell Ramprasad Rao DECaPS and SMA Discovery of a Highly Inclined Class I Young Stellar Object with an Outflow: IRAS 08235–4316 The Astronomical Journal Protoplanetary disks Young stellar objects |
| title | DECaPS and SMA Discovery of a Highly Inclined Class I Young Stellar Object with an Outflow: IRAS 08235–4316 |
| title_full | DECaPS and SMA Discovery of a Highly Inclined Class I Young Stellar Object with an Outflow: IRAS 08235–4316 |
| title_fullStr | DECaPS and SMA Discovery of a Highly Inclined Class I Young Stellar Object with an Outflow: IRAS 08235–4316 |
| title_full_unstemmed | DECaPS and SMA Discovery of a Highly Inclined Class I Young Stellar Object with an Outflow: IRAS 08235–4316 |
| title_short | DECaPS and SMA Discovery of a Highly Inclined Class I Young Stellar Object with an Outflow: IRAS 08235–4316 |
| title_sort | decaps and sma discovery of a highly inclined class i young stellar object with an outflow iras 08235 4316 |
| topic | Protoplanetary disks Young stellar objects |
| url | https://doi.org/10.3847/1538-3881/ad93b1 |
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