Compass and Scale Image of Extrasolar Planet HR 8977b
About This Image
About The Object
- Object Name
- HR 8799b
- Object Description
- Extrasolar Planet Orbiting Star HR 8799
- R.A. Position
- 23h 7m 28.71s
- Dec. Position
- 21° 8' 3.3"
- Constellation
- Pegasus
- Distance
- 130 light-years or 39 parsecs away
About The Data
- Data Description
- The Hubble data is from proposal 7226: E. Becklin (University of California, Los Angeles), D. Kirkpatrick and P. Lowrance (California Institute of Technology), B. Zuckerman (University of California, Los Angeles), G. Schneider and D. McCarthy (University of Arizona), T. Henry (Georgia State University Research Foundation), R. Terrile (Jet Propulsion Laboratory), D. Koerner (University of Pennsylvania), and B. Smith (University of Hawaii). The science team comprises: D. Lafrenière (University of Toronto, Canada), C. Marios (Herzberg Institute of Astrophysics, BC), R. Doyon (University of Montreal), and T. Barman (Lowell Observatory).
- Instrument
- HST>NICMOS
- Exposure Dates
- October 30, 1998
- Filters
- F160W (H band)
About The 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.
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
- Compass and Scale Image
- An astronomical image with a scale that shows how large an object is on the sky, a compass that shows how the object is oriented on the sky, and the filters with which the image was made.
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