Panning over Barred Spiral Galaxy NGC 1559 | James Webb Space Telescope
The data featured in this portrait make use of two of Webb’s instruments: the Mid-InfraRed Instrument (MIRI) and Near-InfraRed Camera (NIRCam). Here MIRI captures the glow of interstellar dust grains that traces out the interstellar medium, the fuel for future star formation. NIRCam shows the light from stars, even young stars hidden behind prodigious amounts of dust. NIRCam also captures emission from ionized nebulae around young stars.
NGC 1559 has massive spiral arms that abound with star formation, and it is receding from us at a speed of about 1300 kilometers per second. Although NGC 1559 appears to sit near one of our nearest neighbors in the sky—the Large Magellanic Cloud (LMC). This is just a trick of perspective. In reality, NGC 1559 is physically nowhere near the LMC in space; in fact it truly is a loner, lacking the company of any nearby galaxies or membership of any galaxy cluster.
NGC 1559 may be alone in space, but with Webb we are admiring from far away.
Image Description: A barred spiral galaxy on a dark, nearly empty background. The whole galaxy glows with a pale light, particularly along the galaxy’s bar which runs from top to bottom through the galactic core. It is speckled with tiny stars. The center is surrounded by rich clouds of hot gas and dust along the arms. The arms are loosely wound and a bit ragged, and contain a few star-forming regions that shine brightly.
Image Credit: ESA/Webb, NASA & CSA, A. Leroy, J. Lee and the PHANGS Team, N. Bartmann (ESA/Webb)
Duration: 30 seconds
Release Date: Feb. 27, 2024
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