2025PASJ...77S.188G

Query : 2025PASJ...77S.188G

2025PASJ...77S.188G - Publ. Astron. Soc. Jap., 77, 188-192 (2025/September-0)

Evidence for charge exchange emission in supernova remnant N 132D from XRISM/Resolve observations.

GU L., YAMAGUCHI H., FOSTER A., KATSUDA S., UCHIDA H., SAWADA M., PORTER F.S., WILLIAMS B.J., PETRE R., BAMBA A., TERADA Y., AGARWAL M., DECOURCHELLE A., GUAINAZZI M., KELLEY R., KILBOURNE C., LOEWENSTEIN M., MATSUMOTO H., MILLER E.D., OHSHIRO Y., PLUCINSKY P., SUZUKI H., TASHIRO M., VINK J., EZOE Y., BEHAR E. and SMITH R.K.

Abstract (from CDS):

XRISM has delivered one of its first light observations on N 132D, the X-ray brightest supernova remnant in the Large Magellanic Cloud. Utilizing 193 ks of high-resolution X-ray spectroscopy data, we conduct a comprehensive search for charge exchange emission. By incorporating a charge exchange model into our spectral analysis, we observe an improvement in the fits of two weak features at 2.41 and 2.63 keV. These features, with a combined significance of 99.6%, are consistent with transitions from highly ionized silicon ions in high Rydberg states, which are unique indicators of charge exchange. Our analysis constrains the charge exchange flux to no more than 4% of the total source flux within the 1.7-3.0 keV band, and places an upper limit on the charge exchange interaction velocity at 450 km s $^{-1}$ . This result supports ongoing shock-cloud interactions within N 132D and highlights the unique capabilities of XRISM to probe the complex physical processes at play.

Abstract Copyright: © The Author(s) 2025. Published by Oxford University Press on behalf of the Astronomical Society of Japan.

Journal keyword(s): atomic processes - supernovae: individual (N 132D) - ISM: supernova remnants - Magellanic Clouds

Simbad objects: 1

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Number of rows : 1

N	Identifier	Otype	ICRS (J2000) RA	ICRS (J2000) DEC	Mag U	Mag B	Mag V	Mag R	Mag I	Sp type	#ref 1850 - 2026	#notes
1	MCSNR J0525-6938	SNR	05 25 02.3	-69 38 39						~	446	1

Query : 2025PASJ...77S.188G

Basic data :

MCSNR J0525-6938 -- SuperNova Remnant
Other object types:	`X (CAL,2E,...)`, `Rad (2009ApJ,MRC,...)`, `SNR (2009ApJ,SNR,...)`, `IR (HSO,IRAS)`, `* (LMC)`, `EmO (LHA)`, `SR? (MCSNR)`, `gam (TeV)`
ICRS coord. (ep=J2000) :	`05 25 02.3 -69 38 39 (Radio) [ 9000 9000 90 ] E 2003MNRAS.342.1117M`
FK4 coord. (ep=B1950 eq=1950) :	`05 25 26.8 -69 41 11 [ 9000 9000 90 ]`
Gal coord. (ep=J2000) :	`280.3070 -32.7839 [ 9000 9000 90 ]`
Angular size (arcmin):	`1.90 1.90 90 (Opt) D` `2010MNRAS.407.1301B`

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`SNR J052501-693842`	`MCSNR J0525-6938`	`SNR B0525-69.6`	`[BMD2010] SNR J0525.1-6938`
`CAL 35`	`MRC 0525-696`	`SPASS J052506-693828`	`[FHW95] LMC B0525-6941`
`2E 1278`	`PKS 0525-696`	`SRGA J052505.4-693853`	`[FPH98] LMC 29`
`2E 0525.4-6941`	`PKS J0525-6938`	`SUMSS J052502-693839`	`[HP99] 977`
`HSO BMHERICC J081.2646-69.6427`	`PMN J0525-6938`	`SUMSS J052502-693838`	`[MBB72] 39`
`IRAS 05254-6949`	`RBS 647`	`TeV J0525-696`	`[SHP2000] LMC 132`
`LHA 120-N 132D`	`RX J0525.0-6939`	`WHHW 0525.4-6942`
`LMC RASS 203`	`1RXS J052502.8-693840`	`2XMM J052502.9-693841`

References (446 between 1850 and 2026) (Total 446)
Simbad bibliographic survey began in 1850 for stars (at least bright stars) and in 1983 for all other objects (outside the solar system).

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Archive data at HEASARC - High-Energy Astrophysics Science Archive Research Center

Data at NED - NASA/IPAC Extragalactic Database : MCSNR J0525-6938

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`2E 1278`	`IRAS 05254-6949`	`PKS 0525-696`	`PKS J0525-6938`	`PMN J0525-6938`
`1RXS J052502.8-693840`	`SUMSS J052502-693839`	`SUMSS J052502-693838`

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