astronomy

Michael J. Kurtz

Michael J. Kurtz is a astronomy topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Michael J. Kurtz rather than just read about it. In short: Michael J. Kurtz is an astrophysicist at Harvard University, He has held the title of Astronomer at the Center for Astrophysics | Harvard & Smithsonian since 1983, and the additional post of Computer Scientist at the Smithsonian Astrophysical Observatory since 1984.

Key takeaways

Michael J. Kurtz belongs to astronomy; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect Michael J. Kurtz to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Michael J. Kurtz from memory before moving on to harder problems.

Reference excerpt

Michael J. Kurtz is an astrophysicist at Harvard University, He has held the title of Astronomer at the Center for Astrophysics | Harvard & Smithsonian since 1983, and the additional post of Computer Scientist at the Smithsonian Astrophysical Observatory since 1984. He is especially known both for his research into the distribution of galaxies, and for his creation of the Astrophysics Data System.

Biography Kurtz received a BA in Physics from San Francisco State University in 1977 and a Ph.D. from Dartmouth College in 1982. From 1984 to 1992 he was Director of the Image Processing Laboratory.

Publications His h-index is 38.

Astronomy His most cited papers in astronomy are:

Falco, Emilio E.; Kurtz, Michael J.; Geller, Margaret J.; Huchra, John P.; Peters, James; Berlind, Perry; Mink, Douglas J.; Tokarz, Susan P.; Elwell, Barbara (1999). "The Updated Zwicky Catalog (UZC)". Publications of the Astronomical Society of the Pacific. 111 (758): 438. arXiv:astro-ph/9904265. Bibcode:1999PASP..111..438F. doi:10.1086/316343. S2CID 14298026. (cited 340 times according to Google Scholar) Kurtz, Michael J.; Mink, Douglas J. (1998). "RVSAO 2.0: Digital Redshifts and Radial Velocities". Publications of the Astronomical Society of the Pacific. 110 (750): 934–977. arXiv:astro-ph/9803252. Bibcode:1998PASP..110..934K. doi:10.1086/316207. S2CID 1311627. (cited 288 times in Google Scholar) Da Costa, L. Nicolaci; Geller, M. J.; Pellegrini, P. S.; Latham, D. W.; Fairall, A. P.; Marzke, R. O.; Willmer, C. N. A.; Huchra, J. P.; Calderon, J. H.; Ramella, M.; Kurtz, M. J. (1994). "A complete southern sky redshift survey". The Astrophysical Journal. 424: L1. Bibcode:1994ApJ...424L...1D. doi:10.1086/187260. (cited 167 times in Google Scholar) Da Costa, L. Nicolaci; Willmer, C. N. A.; Pellegrini, P. S.; Chaves, O. L.; Rité, C.; Maia, M. A. G.; Geller, M. J.; Latham, D. W.; Kurtz, M. J.; Huchra, J. P.; Ramella, M.; Fairall, A. P.; Smith, C.; Lípari, S. (1998). "The Southern Sky Redshift Survey". The Astronomical Journal. 116 (1): 1–7. arXiv:astro-ph/9804064. Bibcode:1998AJ....116....1D. doi:10.1086/300410. S2CID 119489132. (cited 174 times in Google Scholar) Geller, Margaret J.; Kurtz, Michael J.; Wegner, Gary; Thorstensen, John R.; Fabricant, Daniel G.; Marzke, Ronald O.; Huchra, John P.; Schild, Rudolph E.; Falco, Emilio E. (1997). "The Century Survey: A Deeper Slice of the Universe". The Astronomical Journal. 114: 2205. arXiv:astro-ph/9710109. Bibcode:1997AJ....114.2205G. doi:10.1086/118640. S2CID 15858323. (cited 114 times in Google Scholar)

Bibliometrics/Scientometrics His most cited publications in bibliometrics/scientometrics are

"The Effect of Use and Access on Citations", by Kurtz, Michael J., Eichhorn, Guenther, Accomazzi, Alberto, Grant, Carolyn, Demleitner, Markus, Henneken, Edwin, and Murray, Stephen S.; Information Processing and Management, 41, 1395 (2005) cited 185 times in Google Scholar "The NASA Astrophysics Data System: Overview", by Kurtz, Michael J., Eichhorn, Guenther, Accomazzi, Alberto, Grant, Carolyn S., Murray, Stephen S., and Watson, Joyce M.; Astronomy and Astrophysics Supplement Series, 143, 41 (2000) cited 104 times in Google Scholar "The Bibliometric Properties of Article Readership Information", by Kurtz, Michael J., Eichhorn, Guenther, Accomazzi, Alberto, Grant, Carolyn S., Demleitner, Markus, Murray, Stephen S., Martimbeau, Nathalie, and Elwell, Barbara; Journal of the American Society for Information Science and Technology, 56, 111 (2005) cited 100 times in Google Scholar "Worldwide Use and Impact of the NASA Astrophysics Data System Digital Library", by Kurtz, Michael J., Eichhorn, Guenther, Accomazzi, Alberto, Grant, Carolyn S., Demleitner, Markus, and Murray, Stephen S.; Journal of the American Society for Information Science and Technology, 56, 36 (2005) cited 95 times in Google Scholar "Usage Bibliometrics", by Kurtz, Michael J. and Bollen, Johan; Annual Review of Information Science and Technology, 44, 3 (2010) cited 58 times in Google Scholar "Intelligent Text Retrieval in the NASA Astrophysics Data System", by Kurtz, M. J., Karakashian, T., Grant, C. S., Eichhorn, G., Murray, S. S., Watson, J. M., Ossorio, P. G., and Stoner, J. L.; Astronomical Data Analysis Software and Systems II, 52, 132 (1993) cited 32 times in Google Scholar

Awards Elected a Legacy Fellow of the American Astronomical Society in 2020. Van Biesbroeck Prize, American Astronomical Society, 2001, for design of the ADS Abstract Service ISI/ASIST Citation Award, American Society for Information Science and Technology, 2000,

References

External links web page Official Curriculum Vitae

Worked examples

Example 1 — a first encounter with Michael J. Kurtz

Start with the simplest possible case. Write down what Michael J. Kurtz claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In astronomy, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Michael J. Kurtz before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Michael J. Kurtz ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Michael J. Kurtz

In research: Michael J. Kurtz appears in astronomy research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses Michael J. Kurtz in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: Michael J. Kurtz is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1949 births, American astronomers, Fellows of the American Astronomical Society, so understanding it makes those chapters shorter.
In everyday life: Look for Michael J. Kurtz outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study Michael J. Kurtz in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Michael J. Kurtz means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain Michael J. Kurtz out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Michael J. Kurtz in simple terms?

Why does Michael J. Kurtz matter?

Because it connects several astronomy ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Michael J. Kurtz?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Michael J. Kurtz.