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The Astrophysical Journal (ApJ)

Resumen/Descripción – provisto por la editorial en inglés
The Astrophysical Journal is an open access journal devoted to recent developments, discoveries, and theories in astronomy and astrophysics. Publications in ApJ constitute significant new research that is directly relevant to astrophysical applications, whether based on observational results or on theoretical insights or modeling.
Palabras clave – provistas por la editorial

astronomy; astrophysics

Disponibilidad
Institución detectada Período Navegá Descargá Solicitá
No detectada desde jul. 1995 / hasta dic. 2023 IOPScience

Información

Tipo de recurso:

revistas

ISSN impreso

0004-637X

ISSN electrónico

1538-4357

Editor responsable

American Astronomical Society (AAS)

Idiomas de la publicación

  • inglés

País de edición

Reino Unido

Información sobre licencias CC

https://creativecommons.org/licenses/by/4.0/

Cobertura temática

Tabla de contenidos

RELATIONSHIP OF EUV IRRADIANCE CORONAL DIMMING SLOPE AND DEPTH TO CORONAL MASS EJECTION SPEED AND MASS

James Paul MasonORCID; Thomas N. WoodsORCID; David F. WebbORCID; Barbara J. ThompsonORCID; Robin C. ColaninnoORCID; Angelos VourlidasORCID

<jats:title>ABSTRACT</jats:title> <jats:p>Extreme ultraviolet (EUV) coronal dimmings are often observed in response to solar eruptive events. These phenomena can be generated via several different physical processes. For space weather, the most important of these is the temporary void left behind by a coronal mass ejection (CME). Massive, fast CMEs tend to leave behind a darker void that also usually corresponds to minimum irradiance for the cooler coronal emissions. If the dimming is associated with a solar flare, as is often the case, the flare component of the irradiance light curve in the cooler coronal emission can be isolated and removed using simultaneous measurements of warmer coronal lines. We apply this technique to 37 dimming events identified during two separate two-week periods in 2011 plus an event on 2010 August 7, analyzed in a previous paper to parameterize dimming in terms of depth and slope. We provide statistics on which combination of wavelengths worked best for the flare-removal method, describe the fitting methods applied to the dimming light curves, and compare the dimming parameters with corresponding CME parameters of mass and speed. The best linear relationships found are</jats:p> <jats:p> <jats:inline-formula> <jats:tex-math> <?CDATA \begin{eqnarray*}{v}_{\mathrm{CME}}\ \left[\displaystyle \frac{\mathrm{km}}{{\rm{s}}}\right] & \approx & 2.36\times {10}^{6}\ \left[\displaystyle \frac{\mathrm{km}}{ \% }\right]\times {s}_{\dim }\ \left[\displaystyle \frac{ \% }{{\rm{s}}}\right]\\ {m}_{\mathrm{CME}}\ [{\rm{g}}] & \approx & 2.59\times {10}^{15}\left[\displaystyle \frac{g}{ \% }\right]\times \sqrt{{d}_{\dim }}\ [ \% ].\end{eqnarray*}?> </jats:tex-math> <jats:inline-graphic xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="apjaa34a8ueqn1.gif" xlink:type="simple" /> </jats:inline-formula> </jats:p> <jats:p>These relationships could be used for space weather operations of estimating CME mass and speed using near-real-time irradiance dimming measurements.</jats:p>

Palabras clave: Space and Planetary Science; Astronomy and Astrophysics.

Pp. 20

OBSERVATION OF A METRIC TYPE N SOLAR RADIO BURST

Xiangliang KongORCID; Yao Chen; Shiwei Feng; Guohui Du; Chuanyang Li; Artem KovalORCID; V. Vasanth; Bing Wang; Fan Guo; Gang Li

Palabras clave: Space and Planetary Science; Astronomy and Astrophysics.

Pp. 37

LOW-FREQUENCY OBSERVATIONS OF LINEARLY POLARIZED STRUCTURES IN THE INTERSTELLAR MEDIUM NEAR THE SOUTH GALACTIC POLE

E. LencORCID; B. M. GaenslerORCID; X. H. SunORCID; E. M. Sadler; A. G. Willis; N. Barry; A. P. BeardsleyORCID; M. E. Bell; G. BernardiORCID; J. D. Bowman; F. Briggs; J. R. CallinghamORCID; R. J. Cappallo; P. Carroll; B. E. Corey; A. de Oliveira-Costa; A. A. Deshpande; J. S. DillonORCID; K. S. Dwarkanath; D. Emrich; A. Ewall-WiceORCID; L. Feng; B.-Q. For; R. Goeke; L. J. Greenhill; P. HancockORCID; B. J. HazeltonORCID; J. N. Hewitt; L. Hindson; N. Hurley-WalkerORCID; M. Johnston-HollittORCID; D. C. JacobsORCID; A. D. Kapińska; D. L. KaplanORCID; J. C. Kasper; H.-S. Kim; E. Kratzenberg; J. Line; A. LoebORCID; C. J. Lonsdale; M. J. Lynch; B. McKinley; S. R. McWhirter; D. A. Mitchell; M. F. MoralesORCID; E. MorganORCID; J. Morgan; T. MurphyORCID; A. R. NebenORCID; D. OberoiORCID; A. R. OffringaORCID; S. M. Ord; S. PaulORCID; B. Pindor; J. C. Pober; T. Prabu; P. Procopio; J. Riding; A. E. E. Rogers; A. Roshi; N. Udaya Shankar; S. K. Sethi; K. S. Srivani; L. Staveley-Smith; R. Subrahmanyan; I. S. Sullivan; M. TegmarkORCID; Nithyanandan ThyagarajanORCID; S. J. TingayORCID; C. TrottORCID; M. Waterson; R. B. WaythORCID; R. L. WebsterORCID; A. R. Whitney; A. Williams; C. L. Williams; C. Wu; J. S. B. Wyithe; Q. Zheng

Palabras clave: Space and Planetary Science; Astronomy and Astrophysics.

Pp. 38

MERGER HYDRODYNAMICS OF THE LUMINOUS CLUSTER RX J1347.5–1145

C. D. KreischORCID; M. E. MachacekORCID; C. Jones; S. W. RandallORCID

Palabras clave: Space and Planetary Science; Astronomy and Astrophysics.

Pp. 39

X-RAY FLASHES IN RECURRENT NOVAE: M31N 2008-12a AND THE IMPLICATIONS OF THESWIFTNONDETECTION

Mariko KatoORCID; Hideyuki Saio; Martin Henze; Jan-Uwe Ness; Julian P. Osborne; Kim L. PageORCID; Matthew J. DarnleyORCID; Michael F. Bode; Allen W. ShafterORCID; Margarita Hernanz; Neil Gehrels; Jamie KenneaORCID; Izumi HachisuORCID

Palabras clave: Space and Planetary Science; Astronomy and Astrophysics.

Pp. 40

A SEARCH FOR STELLAR-MASS BLACK HOLES VIA ASTROMETRIC MICROLENSING

J. R. LuORCID; E. Sinukoff; E. O. OfekORCID; A. Udalski; S. KozlowskiORCID

Palabras clave: Space and Planetary Science; Astronomy and Astrophysics.

Pp. 41

RADIO OBSERVATIONS OF A SAMPLE OF BROAD-LINE TYPE IC SUPERNOVAE DISCOVERED BY PTF/IPTF: A SEARCH FOR RELATIVISTIC EXPLOSIONS

A. CorsiORCID; A. Gal-YamORCID; S. R. KulkarniORCID; D. A. Frail; P. A. MazzaliORCID; S. B. CenkoORCID; M. M. KasliwalORCID; Y. CaoORCID; A. Horesh; N. PalliyaguruORCID; D. A. PerleyORCID; R. R. Laher; F. Taddia; G. LeloudasORCID; K. MaguireORCID; P. E. NugentORCID; J. Sollerman; M. SullivanORCID

Palabras clave: Space and Planetary Science; Astronomy and Astrophysics.

Pp. 42

DISCOVERY AND VALIDATION OF A HIGH-DENSITY SUB-NEPTUNE FROM THEK2MISSION

Néstor EspinozaORCID; Rafael Brahm; Andrés JordánORCID; James S. Jenkins; Felipe Rojas; Paula Jofré; Thomas Mädler; Markus RabusORCID; Julio Chanamé; Blake Pantoja; Maritza G. Soto; Katie M. Morzinski; Jared R. MalesORCID; Kimberly Ward-Duong; Laird M. CloseORCID

Palabras clave: Space and Planetary Science; Astronomy and Astrophysics.

Pp. 43

THE X-RAY LUMINOSITY FUNCTION OF M37 AND THE EVOLUTION OF CORONAL ACTIVITY IN LOW-MASS STARS

Alejandro NúñezORCID; Marcel A. AgüerosORCID

Palabras clave: Space and Planetary Science; Astronomy and Astrophysics.

Pp. 44

CONVECTION IN OBLATE SOLAR-TYPE STARS

Junfeng Wang; Mark S. MieschORCID; Chunlei Liang

Palabras clave: Space and Planetary Science; Astronomy and Astrophysics.

Pp. 45