Radio planetary nebulae in the Small Magellanic Cloud

Howard Leverenz; Miroslav D. Filipović; I. S. Bojičić; E. J. Crawford; J. D. Collier; K. Grieve; D. Drašković; W. A. Reid

doi:10.1007/s10509-016-2686-3

Radio planetary nebulae in the Small Magellanic Cloud

Howard Leverenz^*, Miroslav D. Filipović, I. S. Bojičić, E. J. Crawford, J. D. Collier, K. Grieve, D. Drašković, W. A. Reid

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

3 Citations (Scopus)

Abstract

We present ten new radio continuum (RC) detections at catalogued planetary nebula (PN) positions in the Small Magellanic Cloud (SMC): SMP S6, LIN 41, LIN 142, SMP S13, SMP S14, SMP S16, J 18, SMP S18, SMP S19 and SMP S22. Additionally, six SMC radio PNe previously detected, LIN 45, SMP S11, SMP S17, LIN 321, LIN 339 and SMP S24 are also investigated (re-observed) here making up a population of 16 radio detections of catalogued PNe in the SMC. These 16 radio detections represent ~15 % of the total catalogued PN population in the SMC. We show that six of these objects have characteristics that suggest that they are PN mimics: LIN 41, LIN 45, SMP S11, LIN 142, LIN 321 and LIN 339. We also present our results for the surface brightness—PN radius relation (Σ−D) of the SMC radio PN population. These are consistent with previous SMC and LMC PN measurements of the (Σ−D) relation.

Original language	English
Article number	108
Pages (from-to)	1-13
Number of pages	13
Journal	Astrophysics and Space Science
Volume	361
Issue number	3
DOIs	https://doi.org/10.1007/s10509-016-2686-3
Publication status	Published - Mar 2016

Keywords

Continuum: galaxies
Continuum: ISM
Infrared: galaxies
Magellanic Clouds
Planetary nebulae: general
Radio

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title = "Radio planetary nebulae in the Small Magellanic Cloud",

abstract = "We present ten new radio continuum (RC) detections at catalogued planetary nebula (PN) positions in the Small Magellanic Cloud (SMC): SMP S6, LIN 41, LIN 142, SMP S13, SMP S14, SMP S16, J 18, SMP S18, SMP S19 and SMP S22. Additionally, six SMC radio PNe previously detected, LIN 45, SMP S11, SMP S17, LIN 321, LIN 339 and SMP S24 are also investigated (re-observed) here making up a population of 16 radio detections of catalogued PNe in the SMC. These 16 radio detections represent ~15 % of the total catalogued PN population in the SMC. We show that six of these objects have characteristics that suggest that they are PN mimics: LIN 41, LIN 45, SMP S11, LIN 142, LIN 321 and LIN 339. We also present our results for the surface brightness—PN radius relation (Σ−D) of the SMC radio PN population. These are consistent with previous SMC and LMC PN measurements of the (Σ−D) relation.",

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author = "Howard Leverenz and Filipovi{\'c}, {Miroslav D.} and Boji{\v c}i{\'c}, {I. S.} and Crawford, {E. J.} and Collier, {J. D.} and K. Grieve and D. Dra{\v s}kovi{\'c} and Reid, {W. A.}",

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AU - Leverenz, Howard

AU - Filipović, Miroslav D.

AU - Bojičić, I. S.

AU - Crawford, E. J.

AU - Collier, J. D.

AU - Grieve, K.

AU - Drašković, D.

AU - Reid, W. A.

PY - 2016/3

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N2 - We present ten new radio continuum (RC) detections at catalogued planetary nebula (PN) positions in the Small Magellanic Cloud (SMC): SMP S6, LIN 41, LIN 142, SMP S13, SMP S14, SMP S16, J 18, SMP S18, SMP S19 and SMP S22. Additionally, six SMC radio PNe previously detected, LIN 45, SMP S11, SMP S17, LIN 321, LIN 339 and SMP S24 are also investigated (re-observed) here making up a population of 16 radio detections of catalogued PNe in the SMC. These 16 radio detections represent ~15 % of the total catalogued PN population in the SMC. We show that six of these objects have characteristics that suggest that they are PN mimics: LIN 41, LIN 45, SMP S11, LIN 142, LIN 321 and LIN 339. We also present our results for the surface brightness—PN radius relation (Σ−D) of the SMC radio PN population. These are consistent with previous SMC and LMC PN measurements of the (Σ−D) relation.

AB - We present ten new radio continuum (RC) detections at catalogued planetary nebula (PN) positions in the Small Magellanic Cloud (SMC): SMP S6, LIN 41, LIN 142, SMP S13, SMP S14, SMP S16, J 18, SMP S18, SMP S19 and SMP S22. Additionally, six SMC radio PNe previously detected, LIN 45, SMP S11, SMP S17, LIN 321, LIN 339 and SMP S24 are also investigated (re-observed) here making up a population of 16 radio detections of catalogued PNe in the SMC. These 16 radio detections represent ~15 % of the total catalogued PN population in the SMC. We show that six of these objects have characteristics that suggest that they are PN mimics: LIN 41, LIN 45, SMP S11, LIN 142, LIN 321 and LIN 339. We also present our results for the surface brightness—PN radius relation (Σ−D) of the SMC radio PN population. These are consistent with previous SMC and LMC PN measurements of the (Σ−D) relation.

KW - Continuum: galaxies

KW - Continuum: ISM

KW - Infrared: galaxies

KW - Magellanic Clouds

KW - Planetary nebulae: general

KW - Radio

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Radio planetary nebulae in the Small Magellanic Cloud

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