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SNR J0453.1-6655

Common Name: N4D
Distance: 50kpc( LMC distance)
Center of X-ray emission (J2000): ( 04 53 09.6, -66 54 48.0 )
X-ray size: 3.5 x 2.5
Description: diffuse X-ray emission within shell of bright optical filaments

Not available
Radio	X-Ray

Sequence	Obs. ID	Detectors Used	Exposure _uf (ks)	Exposure _f (ks)	Date Observed	Aimpoint (J2000) (RA, Dec)
Summary of Chandra Observations
502481	18669	ACIS-678	34.6	34.3	2015-10-12	( 04 53 10.0, -66 54 32.0 )

	Exposure_uf => Exposure time of unfiltered event file Exposure_f => Exposure time of filtered event file

Obs. ID	Event 2 FITS File (un-filtered)	Event 2 FITS File (filtered)	AUX file (asol, badpix etc.)
Chandra Event File
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18669	5.1 MB	3.5 MB	9.0 MB

Region	Energy Range (keV)	Signal (counts)	Rate (counts s^-1)	F^abs_X (ergs cm^-2s^-1)	F_X (ergs cm^-2s^-1)	L_X (ergs s^-1)
Chandra Counts and Fluxes
	0.3 - 10.0	1.469e+03	4.280e-02	2.04e-13	2.28e-13	6.78e+34
	0.3 - 2.1	1.642e+03	4.784e-02	1.99e-13	2.23e-13	6.63e+34
	2.1 - 10.0	-1.440e+02	-4.196e-03	5.11e-15	5.13e-15	1.53e+33

N_H = 0.0(10²² cm^-2) Assumed distance: 50kpc ( LMC distance)

Chandra Images

Obs. ID	Position (J2000)	Size	Net Count	Count rate	Note
Compact Sources
18669
	( 04 48 60.0, -66 54 27.9 )	< 1.0"	11.0	3.18e-04	AGN?
	( 04 52 57.5, -66 53 53.1 )	< 1.0"	23.0	6.64e-04	AGN?
	( 04 52 57.7, -66 54 04.8 )	< 1.0"	7.0	2.02e-04	AGN
	( 04 53 02.0, -66 53 17.3 )	< 1.0"	25.0	7.22e-04	AGN
	( 04 53 17.3, -66 54 02.0 )	< 1.0"	9.0	2.60e-04
	( 04 53 25.1, -66 55 01.8 )	< 1.0"	18.0	5.20e-04

This list is not complete. Sources are obvious and usually within or close to the remnant. The size refers to the appearance of the source and can be larger for off-axis sources.

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