El luminoso y caliente Star Wolf-Rayet 124 (WR 124) es prominente en el centro de la imagen compuesta del telescopio espacial James Webb que combina longitudes de onda de luz de infrarrojo cercano e infrarrojo medio. La estrella muestra la característica cámara de infrarrojo cercano (nircam), causado por la estructura física del telescopio en sí. NIRCam effectively balances the brightness of the star with the fainter gas and dust surrounding it, while Webb’s Mid-Infrared Instrument (MIRI) reveals the nebula’s estructura.
Las estrellas de fondo y las galaxias de fondo pueblan el campo de visión y miran a través de la nebulosa de gas y polvo que se ha expulsado de la estrella masiva envejecida para abarcar 10 años luz a través del espacio. Se puede leer una historia de los episodios de masa pasados de la estrella en la estructura de la nebulosa. En lugar de conchas lisas, la nebulosa se forma a partir de eyecciones asimétricas aleatorias. Brillantes grupos de gas y polvo aparecen como renacuajos nadando hacia la estrella, con colas que se extienden detrás de ellos, volados por el viento estelar.
Esta imagen combina varios filtros de ambos instrumentos de imagen Webb, con el color rojo asignado a longitudes de onda de 4.44, 4.7, 12.8 y 18 micras (F444W, F470N, F1280W, F1800W), Verde a 2.1, 3.35 y 11.3 micronos (F210M, F3355, F1130w), y azules y azules y azules, y azules y azules, y azules, y azules, y azules, y azules y azules, y azul), y azul y azul), y azules, y azules, y azules, y azul), y azules, y azules, y azules, y azules, y azules, y azules, y azules, y azules, y azules, y azules, y azules, y azules, y azules, y azules, y azules, y azules, y azules, y azules, y azules, y azules, y azules, y azules, y azules, y azules, y azules, F3335. 1.5 y 7.7 micras (F090W, F150W, F770W).
Credits
Image
nasa, ESA, CSA, STSCI, Webb ERO Production Team
| About The Object | |
|---|---|
| Object Name | WR 124 |
| Object Description | Wolf-Rayet Star |
| R.A. Position | 19:11:30.88 |
| Dec. Position | +16:51:38.20 |
| Constellation | Sagitta |
| Distance | 15,000 light-years |
| Dimensions | Image is about 2.2 arcminutes across (10 lightyears) |
| About The Data | |
| Data Description | This image was created with Webb data from proposal . It is part of Webb Early Release Observations. The Early Release Observations and associated materials were developed, executed, and compiled by the ERO production team: Jaclyn Barrientes, Claire Blome, Hannah Braun, Matthew Brown, Margaret Carruthers, Dan Coe, Joseph DePasquale, Nestor Espinoza, Macarena Garcia Marin, Karl Gordon, Alaina Henry, Leah Hustak, Andi James, Ann Jenkins, Anton Koekemoer, Stephanie LaMassa, David Law, Alexandra Lockwood, Amaya Moro-Martin, Susan Mullally, Alyssa Pagan, Dani Player, Klaus Pontoppidan, Charles Proffitt, Christine Pulliam, Leah Ramsay, Swara Ravindranath, Neill Reid, Massimo Robberto, Elena Sabbi, Leonardo Ubeda. The EROs were also made possible by the foundational efforts and support from the JWST instruments, STScI planning and scheduling, Data Management teams, and Office of Public Outreach. |
| Instrument | NIRCam, MIRI |
| Exposure Dates | 2 June and 10 June 2022 |
| Filters | NIRCam> F090W, F150W, F210M, F335M, F444W, F470N MIRI> F770W; F1130W; F1280W; F1800 |
| About The Image | |
| Color Info | These images are a composite of separate exposures acquired by the James Webb Space Telescope using the NIRCam and MIRI instruments. Several filters were used to sample narrow and broad wavelength ranges. The color results from assigning different hues (colors) to each monochromatic (grayscale) image associated with an individual filter. In this case, the assigned colors are: Blue: F090W + F150W + F770W, Green: F210M + F335M+ F1130W, Red: F444W + F470N + F1280W + F1800W |
| Compass Image |  |
| About The Object | |
|---|---|
| Object Name | A name or catalog number that astronomers use to identify an astronomical object. |
| Object Description | The type of astronomical object. |
| R.A. Position | Right ascension – analogous to longitude – is one component of an object's position. |
| Dec. Position | Declination – analogous to latitude – is one component of an object's position. |
| Constellation | One of 88 recognized regions of the celestial sphere in which the object appears. |
| Distance | The physical distance from Earth to the astronomical object. Distances within our solar system are usually measured in Astronomical Units (AU). Distances between stars are usually measured in light-years. Interstellar distances can also be measured in parsecs. |
| Dimensions | The physical size of the object or the apparent angle it subtends on the sky. |
| About The Data | |
| Data Description |
|
| Instrument | The science instrument used to produce the data. |
| Exposure Dates | The date(s) that the telescope made its observations and the total exposure time. |
| Filters | The camera filters that were used in the science observations. |
| About The Image | |
| Image Credit | The primary individuals and institutions responsible for the content. |
| Publication Date | The date and time the release content became public. |
| Color Info | A brief description of the methods used to convert telescope data into the color image being presented. |
| Orientation | The rotation of the image on the sky with respect to the north pole of the celestial sphere. |
