|
Flying Saucer (protoplanetary Disk)
The Flying Saucer (2MASS J16281370-2431391) is a protoplanetary disk in the Rho Ophiuchi cloud complex. Discovery and name The 2MASS source J16281370-2431391 was identified as resolved circumstellar disk with the New Technology Telescope in 2003. Follow-up observations with the Very Large Telescope (instrument: ISAAC) did show that the object had a dust lane in the middle and two reflection nebulae with different colors. The first author, Nicolas Grosso, recalled their first impression of the VLT follow-up image: "That is when we looked at each other and, with one voice, immediately decided to nickname it the Flying Saucer!" The name likely comes from the same-named UFO type called Flying Saucer. Central star The star is hidden behind dust and not much is know about it. ALMA observations did measure the rotation of the gas inside the disk and researchers used this measurement to determine the mass of the star, which is 58% the mass of the sun. Disk properties The ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
JWST Flying Saucer NIRCam Short
The James Webb Space Telescope (JWST) is a space telescope designed to conduct infrared astronomy. As the largest telescope in space, it is equipped with high-resolution and high-sensitivity instruments, allowing it to view objects too old, List of the most distant astronomical objects, distant, or faint for the Hubble Space Telescope. This enables investigations across many fields of astronomy and cosmology, such as observation of the Population III star, first stars and the Galaxy formation and evolution, formation of the first galaxies, and detailed atmospheric characterization of potentially habitable exoplanets. Although the Webb's mirror diameter is 2.7 times larger than that of the Hubble Space Telescope, it produces images of comparable optical resolution, resolution because it observes in the longer-wavelength infrared spectrum. The longer the wavelength of the spectrum, the larger the information-gathering surface required (mirrors in the infrared spectrum or antenna a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
