DI Lacertae (original) (raw)
Nova Lacertae 1910 war eine Nova, die 1910 im Sternbild Eidechse aufleuchtete. Sie erreichte eine Helligkeit von 4,6 mag. Ihre Helligkeit nahm in 37 Tagen um 3 mag ab. Heute ist ihre Helligkeit 14 mag. Für die Entdeckung dieser Nova erhielt Thomas Henry Espinell Compton Espin die Jackson-Gwilt-Medaille.
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| dbo:abstract | Nova Lacertae 1910 war eine Nova, die 1910 im Sternbild Eidechse aufleuchtete. Sie erreichte eine Helligkeit von 4,6 mag. Ihre Helligkeit nahm in 37 Tagen um 3 mag ab. Heute ist ihre Helligkeit 14 mag. Für die Entdeckung dieser Nova erhielt Thomas Henry Espinell Compton Espin die Jackson-Gwilt-Medaille. (de) DI Lacertae or Nova Lacertae 1910 was a nova in constellation Lacerta which appeared in 1910. It was discovered by Thomas Henry Espinell Compton Espin at Wolsingham Observatory on 30 Dec 1910, at which time it was an 8th magnitude object. Subsequent examination of pre-discovery photographic plates showed that the outburst occurred sometime between 17 November 1910 and 23 November 1910. It reached a peak brightness of magnitude 4.6 on 26 November 1910, making it visible to the naked eye. Before the nova event DI Lacertae was a 14th magnitude star, and by 1950 it had returned to 14th magnitude. DI Lacertae dropped from peak brightness by 3 magnitudes in just 43 days, making it a "fast nova". All novae are binary stars, with a "donor" star orbiting a white dwarf. The two stars are so close to each other that matter is transferred from the donor star to the white dwarf. In the case of DI Lacertae, the oribital period for the binary pair is 13.050 hours, which is unusually long for a nova. The mass of the white dwarf has been estimated to be 0.91±0.2M☉In 2017 Sion et al. presented analysis of ultraviolet spectra from the Far Ultraviolet Spectroscopic Explorer and International Ultraviolet Explorer spacecraft, and found the best fit for DI Lacertae to be an accretion disk with a mass accretion rate of 10−10M☉ per year with a 30,000 Kelvin white dwarf. Darnley et al. argue that the donor star is probably a main sequence star or, less probably, a subdwarf. (en) Nova Lacertae 1910 edo DI Lacerta Lacerta konstelazioan agertutako noba bat da. 1910. urtean T. H. E. C. Espin-ek deskubritu zuen. Noba horrek 4.6 magnitudeko distira lortu zuen; hogeita hamazazpi egunetan 3 magnitudera jaitsi zen. Orain 14koa du. (eu) La DI Lacertae o Nova Lacertae 1910 es el nombre que los astrónomos le dieron a la nova aparecida en la constelación de Lacerta en el año 1910 .Esta alcanzó un brillo máximo de magnitud 4.6 . Este brillo decreció en 37 días en magnitud 3 . Ahora este brillo es de magnitud 14.Fue descubierta por T. H. E. C. Espin. Coordenadas : * Ascensión recta: 22h 35m 47s.98 * Declinación: +52° 42' 57".7 * Datos: Q1378187 (es) DI Lacertae (ou Nova Lacertae 1910) était une nova qui survint en 1910 dans la constellation du Lézard. Elle atteignit une magnitude minimale (correspondant à une luminosité maximale) de 4,6. Elle fut découverte par . Sa distance, estimée à l'aide de la mesure de sa parallaxe par le satellite Gaia, est d'environ 1 570 pc (∼5 120 a.l.). De nos jours, DI Lacertae a une magnitude de 14. (fr) DI Lacertae eller Nova Lacertae 1910 var en nova i stjärnbilden Ödlan. Novan upptäcktes den 25 november 1910 av den brittiske astronomen Thomas Henry Espinell Compton Espin eller T. H. E. C. Espin. DI Lacertae nådde magnitud +4,3 i maximum och avklingade sedan snabbt. DI Lacertae är en av de blåaste novor som observerats och företedde varken emissions- eller absorptionslinjer. (sv) 蝎虎座DI（DI Lacertae），也称1910年蝎虎座新星，是一颗位于蝎虎座的新星，1910年爆发。爆发时最亮视星等为4.6等，之后37天下降3等，现在的亮度为14等。 蝎虎座DI是由英国天文学家Thomas Henry Espinell Compton Espin首先观测并报告的。 (zh) |
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| rdfs:comment | Nova Lacertae 1910 war eine Nova, die 1910 im Sternbild Eidechse aufleuchtete. Sie erreichte eine Helligkeit von 4,6 mag. Ihre Helligkeit nahm in 37 Tagen um 3 mag ab. Heute ist ihre Helligkeit 14 mag. Für die Entdeckung dieser Nova erhielt Thomas Henry Espinell Compton Espin die Jackson-Gwilt-Medaille. (de) Nova Lacertae 1910 edo DI Lacerta Lacerta konstelazioan agertutako noba bat da. 1910. urtean T. H. E. C. Espin-ek deskubritu zuen. Noba horrek 4.6 magnitudeko distira lortu zuen; hogeita hamazazpi egunetan 3 magnitudera jaitsi zen. Orain 14koa du. (eu) La DI Lacertae o Nova Lacertae 1910 es el nombre que los astrónomos le dieron a la nova aparecida en la constelación de Lacerta en el año 1910 .Esta alcanzó un brillo máximo de magnitud 4.6 . Este brillo decreció en 37 días en magnitud 3 . Ahora este brillo es de magnitud 14.Fue descubierta por T. H. E. C. Espin. Coordenadas : * Ascensión recta: 22h 35m 47s.98 * Declinación: +52° 42' 57".7 * Datos: Q1378187 (es) DI Lacertae (ou Nova Lacertae 1910) était une nova qui survint en 1910 dans la constellation du Lézard. Elle atteignit une magnitude minimale (correspondant à une luminosité maximale) de 4,6. Elle fut découverte par . Sa distance, estimée à l'aide de la mesure de sa parallaxe par le satellite Gaia, est d'environ 1 570 pc (∼5 120 a.l.). De nos jours, DI Lacertae a une magnitude de 14. (fr) DI Lacertae eller Nova Lacertae 1910 var en nova i stjärnbilden Ödlan. Novan upptäcktes den 25 november 1910 av den brittiske astronomen Thomas Henry Espinell Compton Espin eller T. H. E. C. Espin. DI Lacertae nådde magnitud +4,3 i maximum och avklingade sedan snabbt. DI Lacertae är en av de blåaste novor som observerats och företedde varken emissions- eller absorptionslinjer. (sv) 蝎虎座DI（DI Lacertae），也称1910年蝎虎座新星，是一颗位于蝎虎座的新星，1910年爆发。爆发时最亮视星等为4.6等，之后37天下降3等，现在的亮度为14等。 蝎虎座DI是由英国天文学家Thomas Henry Espinell Compton Espin首先观测并报告的。 (zh) DI Lacertae or Nova Lacertae 1910 was a nova in constellation Lacerta which appeared in 1910. It was discovered by Thomas Henry Espinell Compton Espin at Wolsingham Observatory on 30 Dec 1910, at which time it was an 8th magnitude object. Subsequent examination of pre-discovery photographic plates showed that the outburst occurred sometime between 17 November 1910 and 23 November 1910. It reached a peak brightness of magnitude 4.6 on 26 November 1910, making it visible to the naked eye. Before the nova event DI Lacertae was a 14th magnitude star, and by 1950 it had returned to 14th magnitude. (en) |
| rdfs:label | Nova Lacertae 1910 (de) Nova Lacertae 1910 (es) DI Lacertae (en) Nova Lacertae 1910 (eu) DI Lacertae (fr) DI Lacertae (sv) 蝎虎座DI (zh) |
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