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Compass and Scale Image for Hubble Ultra Deep Field 2014

Compass and Scale Image for Hubble Ultra Deep Field 2014

Credits

Illustration: NASA, ESA, and Z. Levay (STScI)

About The Object
Object Name	Hubble Ultra Deep Field 2014 (HUDF 2014)
Object Description	Ultraviolet, Optical, and Infrared Survey
R.A. Position	03h 32m 38.99s
Dec. Position	-27° 47' 29.04"
Constellation	Fornax
About The Data
Data Description	The image was created from Hubble data from the following proposals: , , , : A. Riess (STScI/JHU); : M. Giavalisco (University of Massachusetts); : K. Ratnatunga (Carnegie Mellon University); : W. Sparks (STScI); , : S. Malhotra (Arizona State University); , : S. Beckwith (STScI); : H. Teplitz (Caltech); : C. Kretchmer (JHU); : R. O'Connell (University of Virginia); : G. Illingworth (University of California, Santa Cruz); , , : S. Faber (University of California, Santa Cruz) and H. Ferguson (STScI); : P. van Dokkum (Yale University); : R. Ellis (Caltech); and : H. Teplitz (Caltech). The science team comprises: H. Teplitz and M. Rafelski (IPAC/Caltech), P. Kurczynski (Rutgers University), N. Bond (NASA/Goddard Space Flight Center), E. Soto (Catholic University), N. Grogin and A. Koekemoer (STScI), H. Atek (École Polytechnique Fédérale de Lausanne, Switzerland), T. Brown and D. Coe (STScI), J. Colbert and Y. Dai (IPAC/Caltech), H. Ferguson (STScI), S. Finkelstein (University of Texas, Austin), J. Gardner (Goddard Space Flight Center), E. Gawiser (Rutgers University), M. Giavalisco (University of Massachusetts, Amherst), C. Gronwall (Penn State University), D. Hanish (IPAC/Caltech), K.-S. Lee (Purdue University), Z. Levay (STScI), D. De Mello (Catholic University), S. Ravindranath and R. Ryan (STScI), B. Siana (University of California, Riverside), C. Scarlata (University of Minnesota, Minneapolis), E. Voyer (CNRS, Marseille), and R. Windhorst (Arizona State University).
Instrument	HST>ACS/SBC, HST>WFC3/UVIS, HST>ACS/WFC, and HST>WFC3/IR
Exposure Dates	July 2002 – September 2012, Exposure Time: ~600 hours
Filters	ACS/SBC: F150LP WFC3/UVIS: F225W (U), F275W (U), and F336W (U) ACS/WFC: F435W (B), F606W (V), F775W (I), F814W (I), and F850LP (z) WFC3/IR: F105W (Y), F125W (J), F140W (JH), and F160W (H)
About The Image
Color Info	This image is a composite of separate exposures acquired by the ACS/SBC, ACS/WFC, WFC3/UVIS and WFC3/IR instruments. Several filters were used to sample various wavelengths. The color results from assigning different hues (colors) to each monochromatic (grayscale) image from the 13 different filters used by the four instruments grouped as follows: Blue: ACS/SBC F150LP, WFC3/UVIS F225W (U) + F275W (U) + F336W (U), ACS/WFC F435W (B) + F606W (V) + Green: ACS/WFCF775W (I) + F814W (I) + F850LP (z), WFC3/IR F105W (Y) Red: WFC3/IR F125W (J) + F140W (JH) + F160W (H)
Compass Image

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.

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