SNRcat - G260.4-03.4

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Supernova Remnant G260.4-03.4

Image Downloads

Processed JPG

keV G260.4-03.4_X_GAL_axes.jpg Size: 44.06 KB
radio G260.4-03.4_R_GAL_axes.jpg Size: 62.83 KB
multiwavelength G260.4-03.4_RX_GAL_axes.jpg Size: 698.15 KB

Unprocessed FITS

keV G260.4-03.4_2.42e+17_RASS.fits Size: 1.34 MB
radio G260.4-03.4_4.85E09_GB6S.fits Size: 4.01 MB

Description

Identification

Id: G260.4-03.4
Unique ID: G260.4-03.4
Previous IDs:
Other Names: Puppis A, MSH 08-44
Supernova Event:
Supernova Event Reference

2024ApJ...960....7G

2021AN....342..553L

2018ApJ...856...18K

2017ApJ...844...84H

2012A&ARv..20...49V

2005ApJ...619..839C

1981ApJ...246L..33C

Location

J2000 R.a.: 08:22:10
J2000 Dec.: -43:00:00
J2000 From: Green J coord
Constellation: Pup

Environment

Context: overlaps SNR G263.9-3.3 = Vela, contains CCO RX J0822-4300 and PSR J0821-4300
Cloud Interaction: unlikely
Cloud Interaction Reference

2025A&A...701A.206G

2022ApJ...938...94A

2008A&A...480..439P

2005ApJ...635..355H

2000MNRAS.317..421W

1996AJ....111.1651F

1988A&AS...75..363D

Age

Shell: 2200 - 5400 yr
Pulsar:

Age Reference

Distance

Shell: 1.3 - 2.2 kpc
Pulsar:

Distance Reference

Properties

Radio Index: 0.5
Radio Size: 60'x50'
X-ray Size:
Type: shell
Magnetic Field: radial
Magnetic Field Reference

2018MNRAS.477.2087R

1987AuJPh..40..771M

High-energy observations

ID	Energy	Instrument	Resolution	Source Of Emission	Last Record	Published Papers	Web Pages
	TeV	HESS	missed		2015	2015A&A...575A..81H
FGES J0822.1-4253 3FHL J0822.1-4253e 3FGL J0822.6-4250e 2FHL J0822.6-4250e 2FGL J0821.0-4254 and J0823.0-4246 and J0823.4-4305 1FHL J0822.6-4250e 1FGL J0823.3-4248	GeV	Fermi	extended	shell, cloud, unrelated protostellar jet?	2025	2025A&A...701A.206G 2022MNRAS.510.2277A 2017ApJS..232...18A 2017ApJ...843..139A 2017ApJ...843...90X 2016ApJS..224....8A 2016ApJS..222....5A 2015ApJS..218...23A 2015ApJS..217....2M 2013ApJS..209...34A 2012ApJS..199...31N 2012ApJ...759...89H 2012ApJ...756....5L 2010ApJS..188..405A
3EG J0827-4247	GeV	EGRET	missed	(source not confirmed in revised catalogue)	1999	1999A&A...348..868R
	GeV	AGILE	missed		2019	2019A&A...627A..13B
	keV	XMM-Newton	extended	CCO PSR, ejecta knots	2016	2018ApJ...856...18K 2016A&A...590A..70L 2013ApJ...768..182K 2013ApJ...765...58G 2013A&A...555A...9D 2012MNRAS.421L..72D 2012ApJ...756...49K 2010ApJ...714.1725K 2009ApJ...695L..35G 2008ApJ...678..297K 2006A&A...454..543H	http://xmm.esac.esa.int/external/xmm_science/gallery/public/level3.php?id=378 http://heasarc.gsfc.nasa.gov/docs/xmm/gallery/esas-gallery/xmm_gal_science_puppisa.html
4U0821-42	keV	Uhuru	extended	?	1978	1978ApJS...38..357F 1974RSPSA.340..423C
	keV	Swift	detected	shell? unrelated protostellar jet?	2021	2022MNRAS.510.2277A
	keV	Suzaku	extended	shell	2008	2008ApJ...678..297K 2008ApJ...676..378H
RX J0822-4300	keV	ROSAT	extended	shell, PSR	2017	2017ApJ...844...84H 1999ApJ...525..959Z 1999ApJ...511L..45P 1996ApJ...465L..43P	http://www.mpe.mpg.de/xray/wave/rosat/publications/highlights/snr_puppis_a.php http://www.mpe.mpg.de/xray/wave/rosat/gallery/calendar/1999/dec.php http://www.mpe.mpg.de/xray/wave/rosat/gallery/calendar/1997/nov.php http://www.mpe.mpg.de/xray/wave/rosat/gallery/calendar/1993/jul.php
1MAXIS J0822-42	keV	MAXI	detected	shell?	2016	2016PASJ...68S..32T
	keV	eROSITA	extended	shell	2022	2022A&A...661A..31M
	keV	Einstein	extended	shell	1990	1990ApJS...73..781S 1982ApJ...258...22P 1981ApJ...246L..33C 1981ApJ...246L..27W 1981ApJ...245..574W
G260.3-03.4	keV	Chandra	detected	CCO PSR, ejecta, shock+cloud?	2026	2026arXiv260314146G 2021A&A...651A..40M 2020ApJ...899..138M 2018ApJ...856...18K 2016A&A...590A..70L 2013ApJ...765...58G 2013A&A...555A...9D 2012ApJ...755..141B 2010ApJ...714.1725K 2007ApJ...670..635W 2006A&A...457L..33H 2006A&A...454..543H 2005ApJ...635..355H	http://hea-www.cfa.harvard.edu/ChandraSNR/G260.3-03.4/ http://chandra.harvard.edu/photo/2007/puppis/ http://chandra.harvard.edu/photo/2006/puppisa/
G260.4-3.4	keV	ASCA	extended	PSR	1999	1999ApJ...525..959Z	http://www.astro.columbia.edu/~eric/atlas/asca/snrs/G260.4-3.4/G260.4-3.4.html
	keV	[X]	detected	shell	2020	2020AJ....160...20S 1978ApJ...219L..17Z 1974ApJ...192..661G

External Resources

Green Catalogue
CATS Database

Data as of 2026-11-04 - Website version 2.2

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