Tropical year (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Tropical year" in English language version.

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9harvard.edu

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3navy.mil

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2obspm.fr

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2worldcat.org

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1hmnao.com

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archive.org

Seidelmann 1992, p. 317. Seidelmann, P. K., ed. (1992). Explanatory Supplement to the Astronomical Almanac (2nd ed.). Sausalito, CA: University Science Books. ISBN 0-935702-68-7.
Seidelmann 1992, p. 104, expression for p_A. Seidelmann, P. K., ed. (1992). Explanatory Supplement to the Astronomical Almanac (2nd ed.). Sausalito, CA: University Science Books. ISBN 0-935702-68-7.
Seidelmann 1992, pp. 576–581. Seidelmann, P. K., ed. (1992). Explanatory Supplement to the Astronomical Almanac (2nd ed.). Sausalito, CA: University Science Books. ISBN 0-935702-68-7.

bipm.org

The International System of Units (PDF) (Report). Bureau International des Poids et Mesures. 2006. p. 113. Archived from the original (PDF) on December 16, 2008. The second is the duration of 9192631770 periods of the radiation corresponding to the transition between the two hyperfine levels of the ground state of the cesium 133 atom. 13th CGPM (1967/68, Resolution 1; CR, 103 and Metrologia, 1968, 4, 43) Via "The SI brochure". BIMP. Archived from the original on October 1, 2009.

doi.org

Morrison & Stephenson 2004. Morrison, L.V.; Stephenson, F.R. (2004). "Historical values of the Earth's clock error ΔT and the calculation of eclipses". Journal for the History of Astronomy. 35 (3): 327–336. Bibcode:2004JHA....35..327M. doi:10.1177/002182860403500305. S2CID 119021116.

harvard.edu

ui.adsabs.harvard.edu

Borkowski 1991, p. 122. Borkowski, K.M. (1991). "The tropical year and the solar calendar". Journal of the Royal Astronomical Society of Canada. 85 (3): 121–130. Bibcode:1991JRASC..85..121B.
Meeus & Savoie 1992, p. 40. Meeus, J.; Savoie, D. (1992). "The history of the tropical year". Journal of the British Astronomical Association. 102 (1): 40–42. Bibcode:1992JBAA..102...40M.
Meeus & Savoie 1992, p. 41. Meeus, J.; Savoie, D. (1992). "The history of the tropical year". Journal of the British Astronomical Association. 102 (1): 40–42. Bibcode:1992JBAA..102...40M.
Meeus & Savoie 1992, p. 42. Meeus, J.; Savoie, D. (1992). "The history of the tropical year". Journal of the British Astronomical Association. 102 (1): 40–42. Bibcode:1992JBAA..102...40M.
Morrison & Stephenson 2004. Morrison, L.V.; Stephenson, F.R. (2004). "Historical values of the Earth's clock error ΔT and the calculation of eclipses". Journal for the History of Astronomy. 35 (3): 327–336. Bibcode:2004JHA....35..327M. doi:10.1177/002182860403500305. S2CID 119021116.
Borkowski 1991, p. 126. Borkowski, K.M. (1991). "The tropical year and the solar calendar". Journal of the Royal Astronomical Society of Canada. 85 (3): 121–130. Bibcode:1991JRASC..85..121B.
Meeus & Savoie 1992, p. 362. Meeus, J.; Savoie, D. (1992). "The history of the tropical year". Journal of the British Astronomical Association. 102 (1): 40–42. Bibcode:1992JBAA..102...40M.
In negative numbers for dates in the past; McCarthy & Seidelmann 2009, p. 18, calculated from planetary model of Laskar 1986. McCarthy, D.D.; Seidelmann, P.K. (2009). Time from Earth rotation to atomic physics. Weinhein: Wiley-VCH Verlag GmbH & Co. KGaA. Laskar, J. (1986). "Secular terms of classical planetary theories using the results of general theory". Astronomy and Astrophysics. 157 (1): 59–70. Bibcode:1986A&A...157...59L. ISSN 0004-6361. Note: In the article at this URL page 68 should be put before page 66.
Laskar 1986, p. 64. Laskar, J. (1986). "Secular terms of classical planetary theories using the results of general theory". Astronomy and Astrophysics. 157 (1): 59–70. Bibcode:1986A&A...157...59L. ISSN 0004-6361. Note: In the article at this URL page 68 should be put before page 66.

hmnao.com

asa.hmnao.com

"Astronomical almanac online glossary". US Naval Observatory. 2020.

nasa.gov

deepspace.jpl.nasa.gov

Jet Propulsion Laboratory (2005). DSN: History. NASA.

history.nasa.gov

Butrica 1996, p. ^{[page needed]}. Butrica, A.J. (1996). SP-4218: To See the Unseen. The NASA History Series. NASA History Office. Archived from the original on March 10, 2008. Via "To See the Unseen – A History of Planetary Radar Astronomy". NASA History Division. Archived from the original on August 23, 2007.

navy.mil

aa.usno.navy.mil

Richards, E.G. "Calendars". In Urban & Seidelmann (2013), p. 587. Urban, S.E.; Seidelmann, P. K., eds. (2013). Explanatory supplement to the astronomical almanac (PDF) (3rd ed.). Mill Valley, CA: University Science Books. ISBN 978-1-891389-85-6. Archived from the original (PDF) on April 30, 2019. Retrieved May 6, 2018.
Urban & Seidelmann 2013, p. 595. Urban, S.E.; Seidelmann, P. K., eds. (2013). Explanatory supplement to the astronomical almanac (PDF) (3rd ed.). Mill Valley, CA: University Science Books. ISBN 978-1-891389-85-6. Archived from the original (PDF) on April 30, 2019. Retrieved May 6, 2018.

maia.usno.navy.mil

"Common Units and Conversions in Earth Orientation". United States Naval Observatory.

obspm.fr

hpiers.obspm.fr

International Earth Rotation Service (July 1, 2022). "Bulletin B 413". IERS Bulletin B.
"Bulletin C". Earth Orientation Center. July 5, 2022.

pas.va

Dobrzycki, J. "Astronomical aspects of the calendar reform". In Coyne, Hoskin & Pedersen (1983), p. 123. Coyne, G.V.; Hoskin, M.A.; Pedersen, O., eds. (1983). Gregorian reform of the calendar. Vatican Observatory.
North, J.D. "The Western calendar - 'Intolerabilis, horribilis, et derisibilis'; four centuries of discontent". In Coyne, Hoskin & Pedersen (1983), pp. 75–76. Coyne, G.V.; Hoskin, M.A.; Pedersen, O., eds. (1983). Gregorian reform of the calendar. Vatican Observatory.

semanticscholar.org

api.semanticscholar.org

Morrison & Stephenson 2004. Morrison, L.V.; Stephenson, F.R. (2004). "Historical values of the Earth's clock error ΔT and the calculation of eclipses". Journal for the History of Astronomy. 35 (3): 327–336. Bibcode:2004JHA....35..327M. doi:10.1177/002182860403500305. S2CID 119021116.

st-andrews.ac.uk

mathshistory.st-andrews.ac.uk

"Biography of Ulugh Beg". MacTutor. Retrieved August 8, 2024.

web.archive.org

The International System of Units (PDF) (Report). Bureau International des Poids et Mesures. 2006. p. 113. Archived from the original (PDF) on December 16, 2008. The second is the duration of 9192631770 periods of the radiation corresponding to the transition between the two hyperfine levels of the ground state of the cesium 133 atom. 13th CGPM (1967/68, Resolution 1; CR, 103 and Metrologia, 1968, 4, 43) Via "The SI brochure". BIMP. Archived from the original on October 1, 2009.
Richards, E.G. "Calendars". In Urban & Seidelmann (2013), p. 587. Urban, S.E.; Seidelmann, P. K., eds. (2013). Explanatory supplement to the astronomical almanac (PDF) (3rd ed.). Mill Valley, CA: University Science Books. ISBN 978-1-891389-85-6. Archived from the original (PDF) on April 30, 2019. Retrieved May 6, 2018.
Butrica 1996, p. ^{[page needed]}. Butrica, A.J. (1996). SP-4218: To See the Unseen. The NASA History Series. NASA History Office. Archived from the original on March 10, 2008. Via "To See the Unseen – A History of Planetary Radar Astronomy". NASA History Division. Archived from the original on August 23, 2007.
Urban & Seidelmann 2013, p. 595. Urban, S.E.; Seidelmann, P. K., eds. (2013). Explanatory supplement to the astronomical almanac (PDF) (3rd ed.). Mill Valley, CA: University Science Books. ISBN 978-1-891389-85-6. Archived from the original (PDF) on April 30, 2019. Retrieved May 6, 2018.

worldcat.org

search.worldcat.org

In negative numbers for dates in the past; McCarthy & Seidelmann 2009, p. 18, calculated from planetary model of Laskar 1986. McCarthy, D.D.; Seidelmann, P.K. (2009). Time from Earth rotation to atomic physics. Weinhein: Wiley-VCH Verlag GmbH & Co. KGaA. Laskar, J. (1986). "Secular terms of classical planetary theories using the results of general theory". Astronomy and Astrophysics. 157 (1): 59–70. Bibcode:1986A&A...157...59L. ISSN 0004-6361. Note: In the article at this URL page 68 should be put before page 66.
Laskar 1986, p. 64. Laskar, J. (1986). "Secular terms of classical planetary theories using the results of general theory". Astronomy and Astrophysics. 157 (1): 59–70. Bibcode:1986A&A...157...59L. ISSN 0004-6361. Note: In the article at this URL page 68 should be put before page 66.