Imágenes del clúster de Pandora, Abell 2744, capturada por la cámara de infrarrojo cercano de Webb (NIRCAM), con flechas de brújulas, barra de escala y clave de color para referencia.
Las flechas de brújulas norte y este muestran la orientación de la imagen en el cielo. Tenga en cuenta que la relación entre el norte y el este en el cielo (como se ve desde abajo) se voltea en relación con las flechas de dirección en un mapa del suelo (como se ve desde arriba).
La barra de escala está etiquetada en segundos de arco, que es una medida de distancia angular en el cielo. Un segundo arco es igual a 1/3600 de un grado de arco. (La luna llena tiene un diámetro angular de aproximadamente 0.5 grados). El tamaño real de un objeto que cubre un arco segundo en el cielo depende de su distancia del telescopio.
Esta imagen muestra longitudes de onda de luz infrarroja invisibles que se han traducido en colores de luz visible. La tecla de color muestra qué filtros de Nircam se usó al recolectar la luz. El color de cada nombre del filtro es el color de luz visible utilizado para representar la luz infrarroja que pasa a través de ese filtro.
NASA, ESA, CSA, Tommaso Treu (UCLA) Zolt G. Levay (STSCI) Credits
Science
Procesamiento de imágenes
| About The Object | |
|---|---|
| Object Name | Abell 2744, Pandora's Cluster |
| Object Description | Galaxy cluster/gravitational lens and high redshift galaxy candidates |
| R.A. Position | 00:14:22.63 |
| Dec. Position | -30:23:44.50 |
| Constellation | Sculptor |
| Distance | The distance to the cluster is 4 billion light-years. |
| About The Data | |
| Data Description | This image was created from JWST data from proposal: (T. Treu) |
| Instrument | NIRCam |
| Exposure Dates | 28-29 June 2022 |
| Filters | F090W, F115W, F150W, F200W, F277W, F356W, F444W |
| About The Image | |
| Color Info | These images are a composite of separate exposures acquired by the James Webb Space Telescope using the NIRCam instrument. Several filters were used to sample different infrared 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, F115W Cyan: F150W Green: F220W Yellow: F277W Orange: F356W Red: F444W |
| 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. |
