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Wz Sagittae

WZ Sagittae (WZ Sge) is a cataclysmic dwarf nova star system in the constellation Sagitta. It consists of a white dwarf primary being orbited by a low mass companion.

XMM-Newton and Swift Observations of WZ Sagittae: Spectral and Timing Analysis

A. A. Nucita (Paperback)

$129.75

WZ Sagittae - Time-resolved spectroscopy during quiescence
High time resolution spectroscopy has been used to obtain an orbital velocity amplitude for the primary component of the dwarf nova WZ Sagittae, an 82 minute binary, of K1 = 49 + or 5 km/s. The line profiles of H-alpha, some seven months after the December ...
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Helical Tomography of an Accretion Disk by Superhump Light Curves of the 2001 Outburst of WZ Sagittae
A new method for analyzing complex superhump light curves for the 2001 outburst of WZ Sagittae is proposed. The complexity arises because intrinsically time-varying and non-axisymmetric distributions of superhump light sources are coupled with the aspect ...
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Magnetically moderated outbursts of WZ Sagittae
Matthews, O. M., Speith, R., Wynn, G. A. and West, R. G. (2007), Magnetically moderated outbursts of WZ Sagittae. Monthly Notices of the Royal Astronomical Society, 375: 105–114. doi: 10.1111/j.1365-2966.2006.11252.x
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WZ Sagittae
WZ Sagittae is an ultrashort period cataclysmic nova, with outbursts observed in 1913, 1946, 1978 and 2001. During the well-observed 2001 outburst, the nova reached a peak visual magnitude of 8.21. The 1913 event was the brightest of the observed outbursts ...
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We Knew That Already
But the way some news outlets have reported it, saying things like “this proves Einstein was right,” sounds a little bit off to me: we knew that already. The prior proof ... cataclysmic variables. II. Nova WZ Sagittae: a possible radiator of ...
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Dark matter found in accretion disks
The target of this specific investigation, named WZ Sagittae (WZ Sge), is an interacting binary star located in the constellation Sagitta, the arrow of the archer Sagittarius. As part of a program called the Spitzer-NOAO Observing Program for Teachers and ...
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Some like it cold?(partner of white dwarf in WZ Sagittae is coldest star on record)(Brief Article)
It's the very model of a maladjusted marriage. At first, both partners held their own. Little by little, however, the stronger drained the resources of the weaker, leaving it cold and underweight. Astronomers came upon this odd couple in the course of ...
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On the postoutburst far ultraviolet declines of WZ sagittae and V1500 CYGNI
In an earlier paper [1], we demonstrated that the declining ultraviolet flux, observed long after optical quiescence was reached in three dwarf novae, most likely represents the cooling of a white dwarf whose outer layers have been heated by the accretion ...
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Disks Around Black Holes and Binary Stars Just Got Bigger
The target of this specific investigation, named WZ Sagittae (WZ Sge), is an interacting binary star located in the constellation Sagitta, the arrow of the archer Sagittarius. As part of a program called the Spitzer-NOAO Observing Program for Teachers and ...
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K-band observations of WZ Sagittae during quiescence
We present high-speed K-band photometry of WZ Sge obtained 2 yr before the recent 2001 superoutburst. Our data show the first ever detection of a disc eclipse in WZ Sge during quiescence. Analysis of the ingress and egress times of the disc and bright spot ...
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Sagitta - Wikipedia
Sagitta is a dim but distinctive constellation in the northern sky. Its name is Latin for "arrow", and it should not be confused with the signifigantly larger ...
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