Restoration of the<i>ASCA</i>Source Position Accuracy

Gotthelf, E. V.; Ueda, Yoshihiro; Fujimoto, Ryuichi; Kii, T.; Yamaoka, K.

doi:10.1086/317093

Cited by 32 publications

(36 citation statements)

References 17 publications

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“…However, there is a central concentration in AX J1420.1−6049 whose centroided position is ∼ 40 ′′ from the radio position of the pulsar (see below). This is larger than the nominal 90% position uncertainty (Gotthelf et al 2000), but is consistent with the 97% contour; we assume the peak of the X-ray emission is at the position of the pulsar in the following analsysis.…”

Section: Asca Observationssupporting

confidence: 71%

Multiwavelength Studies of PSR J1420−6048, a Young Pulsar in the Kookaburra

Roberts

Romani

Johnston

2001

The Astrophysical Journal

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We present X-ray, radio, and infrared observations of the 68 ms pulsar PSR J1420−6048 and its surrounding nebula, a possible counterpart of the γ−ray source GeV J1417−6100/3EG J1420−6038. Pulsed X-ray emission at the radio period is marginally detected by ASCA from a source embedded in the hard spectrum X-ray nebula AX J1420.1−6049. At radio wavelengths, the pulsar is found to be strongly linearly and circularly polarized, and the polarization sweep is measured. A comparison of high resolution ATCA radio imaging of the Kookaburra's upper wing (G313.6+0.3), which contains the pulsar and the X-ray nebula, with infrared images suggests the radio emission is partly non-thermal.

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Section: Asca Observationssupporting

confidence: 71%

Multiwavelength Studies of PSR J1420−6048, a Young Pulsar in the Kookaburra

Roberts

Romani

Johnston

2001

The Astrophysical Journal

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“…Gotthelf et al (2000) shows that the peak of the observed emission in the  PSF is inconsistent with the position of sources 1 and 2.…”

Section:  and  Resultsmentioning

confidence: 89%

On the origin of the X-ray emission towards the early Herbig Be star MWC 297

Drew²

2005

A&A

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Abstract. We present high resolution ( 0.2 ) AO-corrected coronographic near-infrared imaging on the early-type Herbig Be star MWC 297. X-ray flaring has been reported towards this young object, however this has been difficult to reconcile with its early spectral type (B1.5) and relatively high mass (∼10 M ). Our infrared and X-ray analysis shows that the X-ray flaring is likely due to a late-type star in the same field. The case of MWC 297 emphasizes the need for coronographic imaging to address the reality of X-ray emission towards Herbig Ae/Be stars, which is needed to understand the differences between low and high-mass star formation.

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“…3 in Tsuboi, Handa, & Ukita 1999). The position accuracy is about 5A for the radio map and 24A for the GIS image (Gotthelf et al 2000). The 6.4 keV band image shows an X-ray peak (inner region of the solid circle) near the molecular cloud core CO 359.4]0.0 (Oka et al 1998), which is one of the giant molecular clouds in the Sgr C complex, with a mass of D106…”

Section: Analysis and Resultsmentioning

confidence: 97%

ASCADiscovery of Diffuse 6.4 keV Emission near the Sagittarius C Complex: A New X‐Ray Reflection Nebula

Murakami

Koyama

Tsujimoto

et al. 2001

ApJ

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We present an ASCA discovery of di †use hard X-ray emission from the Sgr C complex with its peak in the vicinity of the molecular cloud core. The X-ray spectrum is characterized by a strong 6.4 keV line and large absorption. These properties suggest that Sgr C is a new X-ray reÑection nebula that emits Ñuorescent and scattered X-rays via irradiation from an external X-ray source. We found no adequately bright source in the immediate Sgr C vicinity to fully account for the Ñuorescence. The irradiating source may be the Galactic nucleus Sgr A*, which was brighter in the past than it is now, as is suggested from observations of the Ðrst X-ray reÑection nebula Sgr B2.

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Restoration of theASCASource Position Accuracy

Cited by 32 publications

References 17 publications

Multiwavelength Studies of PSR J1420−6048, a Young Pulsar in the Kookaburra

Multiwavelength Studies of PSR J1420−6048, a Young Pulsar in the Kookaburra

On the origin of the X-ray emission towards the early Herbig Be star MWC 297

ASCADiscovery of Diffuse 6.4 keV Emission near the Sagittarius C Complex: A New X‐Ray Reflection Nebula

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