Galaxy Cluster MACS J1149.5+2223

 Galaxy Cluster MACS J1149.5+2223

Credits

NASA, ESA, and P. Kelly (University of California, Berkeley);
Acknowledgment: NASA, ESA, and S. Rodney (University of South Carolina) and the FrontierSN team; T. Treu (UCLA), P. Kelly (UC Berkeley) and the GLASS team; J. Lotz (STScI) and the Frontier Fields team; M. Postman (STScI) and the CLASH team; and Z. Levay (STScI)

About The Object
Object Name SN Refsdal, MACS J1149.5+2223
Object Description Reappearance of Gravitationally Lensed Supernova in Cluster MACS J1149.5+2223
R.A. Position 11h 49m 35.08s
Dec. Position 22° 24' 10.94"
Constellation Leo
Distance 9.3 billion light-years or 2.9 billion parsecs (supernova); 5 billion light-years or 1.5 billion parsecs (cluster)
About The Data
Data Description This color image is created from data from the following HST proposals: : T. Treu (UCLA) et al. and the GLASS team, 13504 J. Lotz (STScI) et al. and the Frontier Fields team; : S. Rodney (JHU) et al. and the FrontierSN team; : P. Kelly (UCLA) et al. and the Refsdal team.
Instrument HST> ACS/WFC, and HST>WFC3/IR
Exposure Dates November 3, 2014 - December 14, 2014
Filters ACS/WFC: F606W+F814W, WFC3/IR: F105W+F125W, WFC3/IR: F140W+F160W
About The Image
Color Info This image is a composite of separate exposures acquired by the ACS and WFC3 instruments on the Hubble Space Telescope. Several filters were used to sample 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: F606W+F814W Green: F105W+F125W Red: F140W+F160W
Compass Image Galaxy Cluster MACS J1149.5+2223
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
  • Proposal: A description of the observations, their scientific justification, and the links to the data available in the science archive.
  • Science Team: The astronomers who planned the observations and analyzed the data. "PI" refers to the Principal Investigator.
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.