2020ApJ...904L..24S

Query : 2020ApJ...904L..24S

2020ApJ...904L..24S - Astrophys. J., 904, L24-L24 (2020/December-1)

ALMA CO observations of the gamma-ray supernova remnant RX J1713.7-3946 discovery of shocked molecular cloudlets and filaments at 0.01 pc scales.

SANO H., INOUE T., TOKUDA K., TANAKA T., YAMAZAKI R., INUTSUKA S., AHARONIAN F., ROWELL G., FILIPOVIC M.D., YAMANE Y., YOSHIIKE S., MAXTED N., UCHIDA H., HAYAKAWA T., TACHIHARA K., UCHIYAMA Y. and FUKUI Y.

Abstract (from CDS):

RX J1713.7-3946 is a unique core-collapse supernova remnant (SNR) that emits bright TeV gamma-rays and synchrotron X-rays caused by cosmic rays, in addition to interactions with interstellar gas clouds. We report here on results of Atacama Large Millimeter/submillimeter Array ¹²CO(J = 1-0) observations toward the northwestern shell of the SNR. We newly found three molecular complexes consisting of dozens of shocked molecular cloudlets and filaments with typical radii of ∼0.03-0.05 pc and densities of ∼10⁴ cm^–3. These cloudlets and filaments are located not only along synchrotron X-ray filaments, but also in the vicinity of X-ray hotspots with month- or year-scale time variations. We argue that X-ray hotspots and filaments were generated by shock-cloudlet interactions through magnetic-field amplification up to mG. The interstellar medium density contrast of ∼10⁵, coexistence of molecular cloudlets and low-density diffuse medium of ∼0.1 cm^–3, is consistent with such a magnetic field amplification as well as a wind-bubble scenario. The small-scale cloud structures also affect hadronic gamma-ray spectra considering the magnetic field amplification on surface and inside clouds.

Journal keyword(s): Supernova remnants - Interstellar medium - Cosmic ray sources - Gamma-ray sources - X-ray sources

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	SNR G347.3-00.5	SNR	17 12 27	-39 41.2			12.27			~	761	1

Query : 2020ApJ...904L..24S

Basic data :

SNR G347.3-00.5 -- SuperNova Remnant

gam (2018A&A,1FGL,...), X (2022MNRAS,RX,...), SNR (2009BASI,SNR), BL? (2021MNRAS), V* (2012A&A), SR? (2014BASI)

17 12 27.0 -39 41 12 [ ] D 2012ApJ...756....5L

17 08 59.1 -39 37 38 [ ]

347.2695 -00.2569 [ ]

65.0 55.0 ~ (Rad) D 2014BASI...42...47G

V 12.27 [0.07] C 2012A&A...548A..79A

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`SNR G347.3-00.5`	`4FGL J1713.5-3945e`	`HESS J1713-397`	`TeV J1713-397`
`1FGL J1711.7-3944c`	`1FHL J1713.5-3951`	`RX J1713.7-3946`	`1WGA J1713.4-3946`
`2FGL J1712.4-3941`	`2FHL J1713.5-3945e`	`1RXS J171333.1-394544`	`[KRL2007b] 226`
`3FGL J1713.5-3945e`	`3FHL J1713.5-3945e`	`SWIFT J1711.8-3935`

References (761 between 1850 and 2026) (Total 761)
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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External archives :

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

Data at NED - NASA/IPAC Extragalactic Database : SNR G347.3-00.5

Link by name to the catalogue in VizieR :

1RXS J171333.1-394544

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