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Creator:Papers of Ronald N. Bracewell Series:Additional Materials About Bracewell Series Unit:Bracewell Sundial at the VLA Unit Type:Still Image Subject:Instruments--Bracewell Radio Sundial |
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People:Vargas, Angelica |
Creator:Papers of Ronald N. Bracewell Series:Additional Materials About Bracewell Series Unit:Bracewell Sundial at the VLA Unit Type:Still Image Subject:Instruments--Bracewell Radio Sundial |
Description:Angelica Vargas of the New Mexico Tech Astronomy Club re-paints Bracewell's signature on the sundial's noon pier.
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People:Rickett, Barney
Clark, Barry |
Creator:Papers of Ronald N. Bracewell Series:Additional Materials About Bracewell Series Unit:Bracewell Sundial at the VLA Unit Type:Still Image Subject:Instruments--Bracewell Radio Sundial |
Description:Radio astronomers Barney Rickett and Barry Clark stand by the signatures that they had chiseled into the Stanford piers under Bracewell's supervision a half century before.
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Creator:Papers of Ronald N. Bracewell Series:Additional Materials About Bracewell Series Unit:Bracewell Sundial at the VLA Unit Type:Still Image Original Format of Digital Item:Paper document Subject:Instruments--Bracewell Radio Sundial |
Description:Visitor brochure for the Bracewell Radio Sundial at the VLA site.
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Creator:Papers of Ronald N. Bracewell Series:Additional Materials About Bracewell Series Unit:Bracewell Sundial at the VLA Unit Type:Still Image Subject:Instruments--Bracewell Radio Sundial |
Description:A pier is gently lowered into place by a crane.
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Creator:Papers of Ronald N. Bracewell Series:Additional Materials About Bracewell Series Unit:Bracewell Sundial at the VLA Unit Type:Still Image Subject:Instruments--Bracewell Radio Sundial |
Description:The Bracewell Radio Sundial's gnomon casts a faint shadow on the afternoon of a cloudy day. IN the background, the VLA observes a radio source unaffected by the clouds.
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Creator:Papers of Ronald N. Bracewell Series:Additional Materials About Bracewell Series Unit:Bracewell Sundial at the VLA Unit Type:Still Image Subject:Instruments--Bracewell Radio Sundial |
Description:The long, ellipsoidal arc of Cassiopeia A's radio shadow track stretches out into a road, although for practical purposes the plaques do not extend quite so far. A portion of the Cygnus A radio shadow track is also seen.
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Creator:Papers of Ronald N. Bracewell Series:Additional Materials About Bracewell Series Unit:Bracewell Sundial at the VLA Unit Type:Still Image Subject:Instruments--Bracewell Radio Sundial |
Description:The large, central disk (20-inch (51 cm) diameter) anchoring the entire pattern at noon on the equinoxes. One of the two dial mottos can be read along the bottom edge.
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Start Date:2013-09-23 |
Creator:Papers of Ronald N. Bracewell Series:Additional Materials About Bracewell Series Unit:Bracewell Sundial at the VLA Unit Type:Still Image Subject:Instruments--Bracewell Radio Sundial |
Description:The crowd gathered on 23 September 2013 for the sundial's dedication ceremony, as reflected in the gnomon.
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Start Date:2013-10-23 |
Creator:Papers of Ronald N. Bracewell Series:Additional Materials About Bracewell Series Unit:Bracewell Sundial at the VLA Unit Type:Still Image Subject:Instruments--Bracewell Radio Sundial |
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Creator:Papers of Ronald N. Bracewell Series:Additional Materials About Bracewell Series Unit:Bracewell Sundial at the VLA Unit Type:Still Image Subject:Instruments--Bracewell Radio Sundial |
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Creator:Papers of Ronald N. Bracewell Series:Additional Materials About Bracewell Series Unit:Bracewell Sundial at the VLA Unit Type:Still Image Subject:Instruments--Bracewell Radio Sundial |
Description:An impromptu May pole dance immediately followed the sundial's "first shadow."
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Start Date:2013-09-23 People:Stanzione, Guy
Goss, Miller
Lash, Robert
Stanley, Judy
Sullivan, Woodruff T., III |
Creator:Papers of Ronald N. Bracewell Series:Additional Materials About Bracewell Series Unit:Bracewell Sundial at the VLA Unit Type:Still Image Subject:Instruments--Bracewell Radio Sundial |
Description:Key persons for the project on "First Shadow" Day, 23 September 2013: (l. to r.) Woody Sullivan, Guy Stanzione, Miller Goss, Bob Lash and Judy Stanley.
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Creator:Papers of Ronald N. Bracewell Series:Additional Materials About Bracewell Series Unit:Bracewell Sundial at the VLA Unit Type:Still Image Subject:Instruments--Bracewell Radio Sundial |
Description:The polished stainless steel gnomon (18-inch (46 cm) diameter) reflecting the photographer, the sundial and the near-horizon skies above the Plains of San Agustin.
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Creator:Papers of Ronald N. Bracewell Series:Additional Materials About Bracewell Series Unit:Bracewell Sundial at the VLA Unit Type:Still Image Subject:Instruments--Bracewell Radio Sundial |
Description:A long shadow cast by the gnomon on the winter solstice of 2013 almost reaches the base of the 4th pier; the front edge of each hour-pier was placed 20 inches (51 cm) beyond the center of the winter solstice shadow.
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Creator:Papers of Ronald N. Bracewell Series:Additional Materials About Bracewell Series Unit:Bracewell Sundial at the VLA Unit Type:Still Image Subject:Instruments--Bracewell Radio Sundial |
Description:The 3 antenna-shaped markers indicating related radio astronomy observatories, including Bracewell's Heliopolis. They are positioned at the VLA solar time corresponding to each observatory's local solar noon.
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Creator:Papers of Ronald N. Bracewell Series:Additional Materials About Bracewell Series Unit:Bracewell Sundial at the VLA Unit Type:Still Image Subject:Instruments--Bracewell Radio Sundial |
Description:The 7 miniature plaques commemorating dates important in the history of radio astronomy. The sun's shadow passes over each marker on the date it commemorates.
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People:Bracewell, Mark
Bracewell, Wendy |
Creator:Papers of Ronald N. Bracewell Series:Additional Materials About Bracewell Series Unit:Bracewell Sundial at the VLA Unit Type:Still Image Subject:Instruments--Bracewell Radio Sundial |
Description:Ribbons are cut by Mark and Wendy Bracewell for the official "first shadow" at precisely solar noon. Note the gnomon's shadow covering the large central disk.
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Creator:Papers of Ronald N. Bracewell Series:Additional Materials About Bracewell Series Unit:Bracewell Sundial at the VLA Unit Type:Still Image Subject:Instruments--Bracewell Radio Sundial |
Description:Sample sidereal time markers for the radio sources Cassiopeia A. Cygnus A and Centaurus A. The sidereal time at which the disk would fall in the gnomon's "radio shadow" is indicated beneath a drawing of the traditional constellation (and its brightest stars) in which the source can be found. The exact location of the radio source within the visible constellation is indicated by a plus symbol. Each stainless steel disk is bordered by a beveled "rust bloom" steel border. [show more]
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Creator:Papers of Ronald N. Bracewell Series:Additional Materials About Bracewell Series Unit:Bracewell Sundial at the VLA Unit Type:Still Image Subject:Instruments--Bracewell Radio Sundial |
Description:A sign on the VLA's self-guided walking tour explains the radio sundial to visitors.
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Creator:Papers of Ronald N. Bracewell Series:Additional Materials About Bracewell Series Unit:Bracewell Sundial at the VLA Unit Type:Still Image Subject:Instruments--Bracewell Radio Sundial |
Description:Sample solstice and equinox markers with subtle seasonal patterns decorating the outer rims.
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Start Date:2018-06-24 |
Creator:Papers of Ronald N. Bracewell Series:Additional Materials About Bracewell Series Unit:Bracewell Sundial at the VLA Unit Type:Still Image Original Format of Digital Item:Digital photograph Subject:Instruments--Bracewell Radio Sundial |
Description:A drone view of the concrete pad portion of the dial early on the morning of 24 June 2018. White diamonds enclose the 7 commemorative markers, red ovals the 3 observatory markers and 2 black diamonds typical month/hour indicators. The blue circle marks a human gnomon. [show more]
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Creator:Papers of Ronald N. Bracewell Series:Additional Materials About Bracewell Series Unit:Bracewell Sundial at the VLA Unit Type:Still Image Subject:Instruments--Bracewell Radio Sundial |
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Start Date:2023-04-01 Location:VLA Site, NM People:Goss, Miller
Henning, Patricia |
Creator:Records of the NRAO Series:Photographs Series Unit:VLA Unit Type:Still Image Original Format of Digital Item:Digital photograph Subject:Instruments--Bracewell Radio Sundial |
Description:Former and current Directors of New Mexico Operations, Miller Goss and Patricia (Trish) Henning at the Bracewell Sundial at the VLA site during the 1 April 2023 VLA Open House. Among the signatures on the pillar between them is that of Frank Kerr, Henning's thesis advisor. [show more]
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Creator:Papers of Ronald N. Bracewell Series:Additional Materials About Bracewell Series Unit:Bracewell Sundial at the VLA Unit Type:Still Image Original Format of Digital Item:Digital photograph Subject:Instruments--Bracewell Radio Sundial |
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