Multiple exposure image of deep space in the constellation Ursa Major
The Hubble Deep Field
The Hubble Deep Field (HDF) is an image of a small region in the constellation Ursa Major, constructed from a series of observations by the Hubble Space Telescope. It covers an area about 2.6 arcminutes on a side, about one 24-millionth of the whole sky, which is equivalent in angular size to a tennis ball at a distance of 100 metres.[1] The image was assembled from 342 separate exposures taken with the Space Telescope's Wide Field and Planetary Camera 2 over ten consecutive days between December 18 and 28, 1995.[2][3]
The field is so small that only a few foreground stars in the Milky Way lie within it; thus, almost all of the 3,000 objects in the image are galaxies, some of which are among the youngest and most distant known. By revealing such large numbers of very young galaxies, the HDF has become a landmark image in the study of the early universe.
Three years after the HDF observations were taken, a region in the south celestial hemisphere was imaged in a similar way and named the Hubble Deep Field South. The similarities between the two regions strengthened the belief that the universe is uniform over large scales and that the Earth occupies a typical region in the Universe (the cosmological principle). A wider but shallower survey was also made as part of the Great Observatories Origins Deep Survey. In 2004 a deeper image, known as the Hubble Ultra-Deep Field (HUDF), was constructed from a few months of light exposure. The HUDF image was at the time the most sensitive astronomical image ever made at visible wavelengths, and it remained so until the Hubble eXtreme Deep Field (XDF) was released in 2012.
^Clark, Stuart (2011). The Big Questions The Universe. Hachette UK. p. 69. ISBN 978-1-84916-609-6.
^Cite error: The named reference Ferguson1998 was invoked but never defined (see the help page).
^Cite error: The named reference Hubble_image was invoked but never defined (see the help page).
The HubbleDeepField (HDF) is an image of a small region in the constellation Ursa Major, constructed from a series of observations by the Hubble Space...
The HubbleDeepField South is a composite of several hundred individual images taken using the Hubble Space Telescope's Wide Field and Planetary Camera...
the HubbleDeepField, observed in 1995 with the WFPC2 camera on the Hubble Space Telescope. Other space telescopes that have obtained deep-field observations...
Universe enabled by Hubble are the HubbleDeepField, Hubble Ultra-DeepField, and Hubble Extreme DeepField images, which used Hubble's unmatched sensitivity...
near-field, allowing much better viewing of dimmer, more distant objects. It builds on the data collected for the Hubble Ultra-DeepField, the Hubble eXtreme...
of DeepFields "Hubble Sees a Horsehead of a Different Color | NASA". nasa.gov. 6 March 2015. Retrieved 2016-11-25. "HubbleSite - NewsCenter - Hubble celebrates...
XMM-Newton, two fields of 10' by 16'; one centered on the HubbleDeepField North (12h 36m 55s, +62° 14m 15s) and the other on the Chandra DeepField South (3h...
Lovecraft. Pillars of Creation, another noted Hubble image List of deepfields HD 93129 Trumpler 14 List of Hubble anniversary images Achenbach, Joel (16 April...
replacing the telescope's original Wide Field and Planetary Camera (WF/PC). WFPC2 was used to image the HubbleDeepField in 1995, the Engraved Hourglass Nebula...
The COSMOS Field, or the Cosmic Evolution Survey DeepField, is a mosaic of deep space, which was photographed with the Hubble Space Telescope's Advanced...
Pillars of Creation is a photograph taken by the Hubble Space Telescope of elephant trunks of interstellar gas and dust in the Eagle Nebula, in the Serpens...
0003+387. A wall was proposed in 2000 to lie at z=0.559 in the northern HubbleDeepField (HDF North). Large quasar groups (LQGs) are some of the largest structures...
subject of a two-week observation program by the Hubble Space Telescope, which resulted in the HubbleDeepField South. The potential area to be covered needed...
Very deep observations (which is to say sensitive to dim sources) are also useful tools in cosmology. The HubbleDeepField, Hubble Ultra DeepField, Hubble...
software platform Hôtel-Dieu de France, a Lebanese medical center HubbleDeepField, an astronomical image Human Development Foundation, an organization...
583. Kawaler, S. D. (1998). White Dwarf Stars and the HubbleDeepField. The HubbleDeepField: Proceedings of the Space Telescope Science Institute Symposium...
stars had extremely short lifespans. HubbleDeepField LIGO's detection of gravitational waves Chandra DeepField South Active Galactic Nuclei (AGN), Quasars...
distance between parts of the universe over time HubbleDeepField – Multiple exposure image of deep space in the constellation Ursa Major Illustris project –...
as a guide to telescopic objects: The approximate location of the HubbleDeepField can be found by following a line from Phecda (γ) to Megrez (δ) and...
Hubble Live, fully titled Hubble Live: The Final Mission, was a one-hour live American television special presentation that premiered on May 11, 2009 on...
are creating many hot, young, blue stars at a very high rate. The HubbleDeepField is located to the northeast of δ Ursae Majoris. The Alpha Ursae Majorids...
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