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Multiwavelength View of NGC 1300 (ALMA, VLT)

This image of spiral galaxy NGC 1300 combines multiple observations to map stellar populations and gas. Radio light observed by the Atacama Large Millimeter/submillimeter Array (ALMA), represented in yellow, highlights the clouds of cold molecular gas that provide the raw material from which stars form. Data from the Very Large Telescope’s Multi Unit Spectroscopic Explorer (MUSE) instrument is represented in red and magenta, capturing the impact of young, massive stars on their surrounding gas. Visible light captured by the Hubble Space Telescope highlights dust lanes in gold and very young, hot stars in blue. High-resolution infrared images from the Webb Space Telescope will help researchers identify where stars are forming behind dust and study the earliest stages of star formation in this galaxy.
Extended Description and Image Alt Text
Extended Description
Face-on barred spiral galaxy NGC 1300. Its glow is the brightest at a small point in the center, but the glow emanates outward in a flat American football-like shape, the galaxy’s bar. Tendrils of dark brown dust extend through these regions, like veins. The galaxy’s two spiral arms contain brightly lit clumps of orange, pink, and blue. The spiral arms each start at the end of the bar. The first emerges near 3 o’clock and extends toward the edge of the right side before curving up and all the way to the left, ending off the frame at left. The second arm, which starts at 9 o’clock from the bar, extends left almost to the edge of the frame, turns down, and extends off the right edge of the frame. Together, the arms and bar form a backward S shape. Both the top and bottom of the two spiral arms appear to be split into multiple lanes, with orange, pink, and blue appearing toward the fattest parts of the arms at top and bottom. There are thinner lanes between the core of the galaxy and these more distant arms. There are smaller areas of orange at the bottom center. There are also smaller areas of blue and pink at top right that transform into thicker bright pink and orange blobs at left.
Image Alt Text
Face-on barred spiral galaxy NGC 1300. It has a very bright white core, and two very fat pink, orange, and blue spiral arms that start at the core. The first wraps to the right, top, and all the way across to the left. The second starts at the core and wraps all the way to the left, bottom, and then all the way across to the right.
About the Object
- R.A. PositionR.A. PositionRight ascension – analogous to longitude – is one component of an object's position.03:19:40.79
- Dec. PositionDec. PositionDeclination – analogous to latitude – is one component of an object's position.-19:24:39.99
- ConstellationConstellationOne of 88 recognized regions of the celestial sphere in which the object appears.Eridanus
- DistanceDistanceThe 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.About 69 million light-years.
- DimensionsDimensionsThe physical size of the object or the apparent angle it subtends on the sky.This image is 2.9 arcminutes across (about 59,000 light-years).
About the Data
- Data DescriptionData DescriptionProposal: 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.The Hubble portion of this image was created from HST data from proposal: 10324 (K. Noll)
- InstrumentInstrumentThe science instrument used to produce the data.HST>ACS/WFC VLT>MUSE ALMA
- Exposure DatesExposure DatesThe date(s) that the telescope made its observations and the total exposure time.September 2004
- FiltersFiltersThe camera filters that were used in the science observations.HST/WFC3> F435W, F555W; F658N; F814W VLT/MUSE> F475W, F625W; F656N; F775W ALMA> 1.2 cm
- Object NameObject NameA name or catalog number that astronomers use to identify an astronomical object.NGC 1300
- Object DescriptionObject DescriptionThe type of astronomical object.Barred spiral galaxy
- Release DateJanuary 19, 2022
- Science ReleaseCapturing All That Glitters in Galaxies with NASA’s Webb
- CreditNASA, ESA, ESO-Chile, ALMA, NAOJ, NRAO; Image Processing: Alyssa Pagan

These images are a composite of separate exposures acquired by the Hubble Space Telescope, the Very Large Array and the Atacama Large Millimeter/submillimeter Array. Several filters were used to sample narrow and wide 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: HST/WFC3> Blue: F435W Green: F555W Red: F658N+F814W VLT/MUSE> Blue: F475W Green: F625W Red: F656N+F775W ALMA> Yellow

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Laura Betz
NASA’s Goddard Space Flight Center
Greenbelt, Maryland
laura.e.betz@nasa.gov
NASA, ESA, ESO-Chile, ALMA, NAOJ, NRAO
Alyssa Pagan






