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Nicholas U. Mayall Telescope

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The Nicholas U. Mayall Telescope , also known as the Mayall 4-meter Telescope , is a four-meter (158 inches) reflector telescope located at the Kitt Peak National Observatory in Arizona and named after Nicholas U. Mayall . It saw first light on February 27, 1973, and was the second-largest telescope in the world at that time. Initial observers included David Crawford , Nicholas Mayall, and Arthur Hoag . It was dedicated on June 20, 1973 after Mayall's retirement as director. The mirror has an f/2.7 hyperboloidal shape. It is made from a two-foot (61 cm (24 in)) thick fused quartz disk that is supported in an advanced-design mirror cell. The prime focus has a field of view six times larger than that of the Hale reflector . It is host to the Dark Energy Spectroscopic Instrument . The identical Víctor M. Blanco Telescope was later built at Cerro Tololo Inter-American Observatory , in Chile .

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35-469: In 1961, after work had moved forward on other telescopes, Mayall proposed an even larger 150-inch mirror telescope for Kitt Peak. Site construction began in 1968 and by 1971 the mirror was delivered to the site. The mirror was made by Owens-Illinois and made of fused quartz , valued for its low coefficient of thermal expansion . The blank was ground at the Kitt Peak optical lab. The telescope primary mirror

70-476: A crowd of over 20,000. According to the United States Census Bureau , the city has a total area of 11.51 square miles (29.81 km ), all land. Contrary to popular opinion and hundreds of historical articles, the 1816 survey of Perrysburg encompassed 1.786 square miles, NOT 1.000 square miles. As of the census of 2010, there were 20,623 people, 8,246 households, and 5,504 families living in

105-632: A decade before. The railroad arrived in 1859 with the completion of the Dayton and Michigan Railroad , later part of the Baltimore and Ohio Railroad . As of 2023 the line is part of the Toledo Subdivision of CSX, though it hosts no passenger service. On October 12, 1984 President Ronald Reagan made a whistle stop in Perrysburg while traveling in the historic Ferdinand Magellan railroad car. He drew

140-553: A decade. Examples of instruments over its lifetime include various spectrographs, Cryogenic Camera, the Phoenix spectrometer, and the DLIRIM. The KNPO Mosaic camera was installed in 1998, and was designed for the prime focus. This camera had eight 2048 × 4096 CCD sensors. This led to another camera Mosaic II for the CTIO 4-m telescope in the southern hemisphere. Mosaic3 was an imaging camera for

175-641: A surveying team to plan and plat Perrysburg. He was appointed to that position by Edward Tiffin, Surveyor General of the United States. This survey was performed in late June and early July 1816, by surveyors Joseph Wampler and William Brookfield under the auspices of Bourne and Josiah Meigs , Surveyor General of Ohio, Michigan, Indiana, Illinois, and Missouri. Some postings on the Internet have claimed that Charles Pierre L'Enfant , noted designer of Washington, DC, had also surveyed and platted Perrysburg, Ohio. Prior to

210-446: Is designed to function as the first element in a Ritchey–Chrétien optical design. The telescope was originally designed with three focal point options: the prime focus, a wide-field R/C focus, and a coudé focus . The telescope was dedicated in the summer of 1973, at which time it was the second largest telescope by aperture in the world. The telescope was named after Mayall who was the director of Kitt Peak National Observatory for over

245-615: Is one of the world's leading manufacturers of packaging products, holding the position of largest manufacturer of glass containers in North America , South America , Asia-Pacific and Europe (after acquiring BSN Glasspack in 2004 ). While legally known as Owens-Illinois, Inc., the company changed its trade name to O-I in 2005 to group its global operations under a single, cross-language and cross-culture brand name. The company's headquarters were previously located at One SeaGate , Toledo, Ohio . The headquarters were moved in late 2006 to

280-690: The Maumee River , and built from a design by army engineer Captain Eleazer D. Wood , for whom the county would be named. Two critical battles with the British were fought at the fort during the War of 1812 . Early settlers in the area fled to Huron during the War of 1812. They returned to settle in the floodplain below Fort Meigs, calling the settlement Orleans. They moved to higher ground after being flooded out. Alexander Bourne led

315-451: The 1970s through the mid-1990s before allowing Techneglas to take over the operations. Although it has not made asbestos -containing materials since 1958, Owens-Illinois invented, tested, manufactured and distributed KAYLO asbestos containing thermal pipe insulation from 1948 through 1958. Owens-Illinois remains a named defendant in numerous asbestos litigation matters throughout the U.S. Some claims in these cases allege that Owens-Illinois

350-667: The Levis Commons complex in Perrysburg, Ohio . The company is the successor to the Owens Bottle Company founded in 1903 by Michael Joseph Owens , who made the first automated bottle-making machine, and Edward Drummond Libbey . In 1929, the Owens Bottle Company merged with Illinois Glass Company to become Owens-Illinois, Inc. Six years later, Owens-Illinois merged with Corning Incorporated to form Owens Corning . In 1971 Owens-Illinois produced an early commercial plasma display ,

385-563: The Maumee River in present-day northwestern Ohio. In 1810, early European-American settlers here were Major Amos Spafford (1753–1818), his wife Olive (1756–1823), and their four children. In 1796, Spafford, a native of Connecticut , was a surveyor for the Connecticut Land Company . He drew the first map laying out Cleveland and named the city. He left there in 1810 following appointment as US Customs Collector and postmaster for

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420-530: The Mayall Telescope was used to discover methane ice on planet Pluto . The FTS on Mayall was also used to study methane in the outer solar system in the 1980s. The study included observation of monodeutered methane on Titan , a moon of Saturn noted for its thick atmosphere. The Mayall was also one of several large telescopes that was part of a study of the Andromeda galaxy . The observations helped understand

455-623: The Mayall telescope. This prime focus camera was used for a 3-band survey in support of the upcoming DESI instrument. One instrument used with telescope was the Fourier Transform Spectrograph. The FTS was used between 1975 and 1995, creating an archive of recorded spectra . It was noted for collecting infrared spectrum before the advent of infrared imaging arrays. Over the time of its operation 10,000 spectra were taken of 800 different astronomical targets, and these were made available in

490-543: The SpArc data archive in the early 21st century. An instrument designed to help understand dark energy , installation of the Dark Energy Spectroscopic Instrument (DESI) was completed in late 2019. Very little is known about dark energy, the supposed pressure responsible for the accelerating expansion rate of the universe. DESI has five thousand fiber optic sensors, each one being robotically targetable at

525-459: The War of 1812 progressed toward Northwest Ohio, General William Henry Harrison ordered the construction of the fort, beginning in February 1813. Harrison was General Anthony Wayne 's former aide-de-camp. Later he was elected as the country's ninth president. The installation was named Fort Meigs in honor of Ohio's fourth governor, Return Jonathan Meigs . Fort Meigs was constructed on a bluff above

560-425: The age of 18 living with them, 56.5% were married couples living together, 7.3% had a female householder with no husband present, 2.9% had a male householder with no wife present, and 33.3% were non-families. 28.3% of all households were made up of individuals, and 11% had someone living alone who was 65 years of age or older. The average household size was 2.48 and the average family size was 3.10. The median age in

595-419: The age of 18 living with them, 61.1% were married couples living together, 6.3% had a female householder with no husband present, and 30.8% were non-families. 27.8% of all households were made up of individuals, and 14.2% had someone living alone who was 65 years of age or older. The average household size was 2.55 and the average family size was 3.18. In the city the population was spread out, with 29.0% under

630-459: The age of 18, 5.6% from 18 to 24, 28.3% from 25 to 44, 24.0% from 45 to 64, and 13.0% who were 65 years of age or older. The median age was 38 years. For every 100 females, there were 92.7 males. For every 100 females age 18 and over, there were 86.5 males. The median income for a household in the city was $ 62,237 and the median income for a family was $ 75,651. Males had a median income of $ 56,496 versus $ 31,401 for females. The per capita income for

665-683: The center of the Twelve Mile Square Reservation , a tract of land ceded in 1795 to the United States by the Odawa people following their defeat in the Northwest Indian Wars . They had occupied this territory since the turn of the 18th century, after having settled in the region of the French trading post at Fort Detroit . Also known as the Ottawa, they had controlled much of the territory along

700-416: The city was $ 29,652. About 1.5% of families and 2.8% of the population were below the poverty line , including 1.7% of those under age 18 and 8.1% of those age 65 or over. Perrysburg is home to The Islamic School of Greater Toledo, Saint Rose School and Perrysburg Schools, which includes a preschool, four elementary schools, one intermediate school, one junior high school and Perrysburg High School . In

735-403: The city was 38.4 years. 26.5% of residents were under the age of 18; 6.5% were between the ages of 18 and 24; 27.1% were from 25 to 44; 27.6% were from 45 to 64; and 12.3% were 65 years of age or older. The gender makeup of the city was 48.4% male and 51.6% female. As of the census of 2000, there were 16,945 people, 6,592 households, and 4,561 families living in the city. The population density

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770-569: The city's 200th anniversary celebration, the Historical Society hired former engineers to assess this claim. The researchers studied local, state and federal archives, but found no support for this position. The town soon became a center for shipbuilding and commerce on Lake Erie. It was named after Commodore Oliver Hazard Perry , naval commander during the War of 1812 and hero of the Battle of Lake Erie . From 1822 to 1868 Perrysburg served as

805-477: The city. The population density was 1,791.7 inhabitants per square mile (691.8/km ). There were 8,845 housing units at an average density of 768.5 per square mile (296.7/km ). The racial makeup of the city was 92.9% White , 1.4% African American , 0.1% Native American , 3.1% Asian , 0.8% from other races , and 1.6% from two or more races. Hispanic or Latino of any race were 3.2% of the population. There were 8,246 households, of which 34.7% had children under

840-430: The county seat. In 1833, Perrysburg contained a courthouse, jail, schoolhouse, two stores, two taverns, two physicians, two lawyers, about 60 houses, and 250 inhabitants. Henry Bibb spent the winter of 1837–38 in Perrysburg following his first escape from slavery. He was adopted by the free Black community , which included many fugitive slaves . Bibb was able to obtain gainful employment and managed to save $ 15 over

875-438: The course of the winter, which he put towards his plan to rescue his wife and children from slavery. Bibb's knowledge of Perrysburg helped him in a subsequent escape attempt, when he was able to allay suspicions by claiming to be a free resident of Perrysburg and accurately answering questions about the town's residents. In 1854, an epidemic of cholera devastated the population. It had spread with residents and travelers along

910-494: The digivue. Until July 2007, the company was also a worldwide manufacturer of plastics packaging with operations in North America, South America, Asia-Pacific and Europe. Plastics packaging products manufactured by O-I included containers, closures, and prescription containers. In July 2007 O-I completed the sale of its entire plastics packaging business to Rexam , a United Kingdom listed packaging manufacturer. Owens-Illinois

945-543: The focal plane. Planned to examine the nature of millions of galaxies and quasars, the instrument has been a decade in construction and features contributions from hundreds of researchers. The telescope control software was also upgraded in the 2010s to prepare for DESI. DESI achieved first light in 2019 and was commissioned in March of 2020. Due to the COVID-19 pandemic, full operations have been delayed until mid-2021. In 1976

980-675: The food and beverage glass container business of Mexican company Vitro for $ 2.15 billion. The acquisition closed in September 2015. [1] In 2020, a subsidiary of O-I Glass, Paddock Enterprises, entered bankruptcy following numerous asbestos lawsuits filed against the company. All of the company's asbestos-related claims were isolated within Paddock and separated from O-I's glass-making operations. Owens-Illinois partnered with NEG ( Nippon Electric Glass ), to produce glass television screens at its Columbus, Ohio , and Pittston , Pennsylvania, plants in

1015-524: The history of that galaxy , which in turn helps understand Earth's galaxy, the Milky Way . The Mayall was the second-largest telescope when inaugurated, between the Hale (5 m) and Shane (3 m). Largest telescopes 1973: Here is the dedication of the telescope with its namesake at the eyepiece: Owens-Illinois O-I Glass, Inc. is an American company that specializes in container glass products. It

1050-805: The new port at the Foot of the Rapids of the Miami of the Lake Maumee River . Two years later, 67 families lived in the area, but most fled at the outbreak of the War of 1812. After the war and the 1817 Treaty of Fort Meigs , which extinguished the Ottawa claim to this area, Spafford returned to the area. He settled on a 160-acre land grant, signed by President James Monroe , on River Tract #64 in Waynesfield Township. Other veterans who received land grants for their service during that war also settled in this area. When

1085-555: The south side of the Maumee River . The population was 25,041 at the 2020 census . Part of the Toledo metropolitan area , the city is 12 miles (19 km) southwest of Toledo . Perrysburg served as the county seat from 1822 to 1868. Perrysburg was surveyed and platted by a federal survey team in summer 1816. A local legend has held that it was designed by noted architect Charles Pierre L'Enfant , after he planned Washington, DC, but this has not been supported by fact. Perrysburg lies near

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1120-401: The waterways because of the lack of adequate sanitation. Perryville closed down for two months in that summer, trying to contain the epidemic at a time when people did not understand how the disease was transmitted. More than 100 people died. Other towns along the Maumee River also suffered high losses from the epidemic. Providence, Ohio was abandoned. It had suffered a disastrous fire less than

1155-479: Was 1,899.2 inhabitants per square mile (733.3/km ). There were 6,964 housing units at an average density of 780.5 per square mile (301.4/km ). The racial makeup of the city was 95.34% White , 1.03% African American , 0.10% Native American , 1.77% Asian , 0.02% Pacific Islander , 0.90% from other races , and 0.84% from two or more races. Hispanic or Latino of any race were 2.05% of the population. There were 6,390 households, out of which 38.0% had children under

1190-625: Was a part of the Dow Jones Industrial Average from June 1, 1959, until March 12, 1987. The company was added to the S&;P 500 Index in January 2009. Owens-Illinois was one of the original S&P 500 companies in 1957. It was removed in 1987 (after purchase by KKR ), added in 1991 and removed again in 2000. In October 2010, Owens-Illinois Venezuela C.A was expropriated by President Hugo Chávez . In May 2015, O-I made an offer to purchase

1225-590: Was a participant in the seventh annual Saranac Seminar when the cancer-causing potential of asbestos was studied in the 1950s. As a result of a pattern of violations producing repeat emissions, its Oregon plant was fined in August 2023 by the Oregon Department of Environmental Quality . This was their 10th fine. Perrysburg, Ohio Perrysburg is a city located in Wood County , Ohio , United States, along

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