Wide view of Barred Spiral Galaxy NGC 1512
About This Image
Caption
The NASA Hubble Space Telescope's Wide Field and Planetary Camera 2 snapped this wide view of the nearby barred spiral galaxy NGC 1512. A wispy bar of material can barely be seen slicing vertically through the galaxy. The bar is funneling gas to the heart of the galaxy, fueling a ring of star birth. Blue-colored stars along the galaxy's outer edge trace the grand spiral arms.
About The Object
- Object Name
- NGC 1512
- Object Description
- Barred spiral galaxy
- R.A. Position
- 04h 3m 54.29s
- Dec. Position
- -43° 20' 56.0"
- Constellation
- Horologium
- Distance
- 9.2 million pc (30 million light-years)
- Dimensions
- The galaxy is 70,000 light-years across. The circumnuclear starburst ring is 2,400 light-years wide.
About The Data
- Data Description
- Principal Astronomers: D. Maoz (Tel-Aviv University/Columbia University), A. J. Barth (Harvard CfA), L. C. Ho (Carnegie Obs.), A. Sternberg (Tel-Aviv University and A. V. Filippenko (UC Berkeley). Members of the group of scientists involved in these observations are: Dan Maoz (Tel-Aviv University, Israel and Columbia University, USA), Aaron J. Barth (Harvard-Smithsonian Center for Astrophysics, USA), Luis C. Ho (The Observatories of the Carnegie Institution of Washington, USA), Amiel Sternberg (Tel-Aviv University, Israel) and Alexei V. Filippenko (University of California, Berkeley, USA).
- Instrument
- HST>FOC, HST>NICMOS, and HST>WFPC2
- Exposure Dates
- July 18, 1993 (FOC), July 29, 1998 (NICMOS), and March 5, 1999 (WFPC2)
- Filters
- FOC: F220W (2200Å) WFPC2: F336W (U), F658N (redshifted Ha), F547M (Strömgren y), and F814W (I) NICMOS: F160W (1.6mm), and F187W (1.8mm)
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.
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