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== References == {{Reflist |colwidth=30em |refs= <ref name="Mallama_and_Hilton">{{cite journal | title = Computing apparent planetary magnitudes for The Astronomical Almanac | journal = Astronomy and Computing | author1 = Anthony, M. | author2 = Hilton, J. L. | volume = 25 | pages = 10β24 | date = October 2018 | doi = 10.1016/j.ascom.2018.08.002 | bibcode = 2018A&C....25...10M | arxiv = 1808.01973| s2cid = 69912809 }}</ref> <ref name="SunAbs">{{cite web | title = Sun Fact Sheet | url = http://nssdc.gsfc.nasa.gov/planetary/factsheet/sunfact.html | publisher = [[NASA Goddard Space Flight Center]] | access-date = 25 February 2017}}</ref> <ref name="Karachentsev">{{cite journal | author1 = Karachentsev, I. D. | display-authors = etal | title = A Catalog of Neighboring Galaxies | journal = The Astronomical Journal | date = 2004 | volume = 127 | issue = 4 | pages = 2031β2068 | doi = 10.1086/382905 | bibcode = 2004AJ....127.2031K | doi-access = free }}</ref> <ref name="Flower1996">{{cite journal | author = Flower, P. J. | title = Transformations from Theoretical Hertzsprung-Russell Diagrams to Color-Magnitude Diagrams: Effective Temperatures, B-V Colors, and Bolometric Corrections | journal = [[The Astrophysical Journal]] | volume = 469 | page = 355 | date = September 1996 | doi = 10.1086/177785 | bibcode = 1996ApJ...469..355F}}</ref> <ref name="Strobel">{{Cite journal | author = Cayrel de Strobel, G. | title = Stars resembling the Sun | journal = Astronomy and Astrophysics Review | volume = 7 | issue = 3 | pages = 243β288 | date = 1996 | doi = 10.1007/s001590050006 | bibcode = 1996A&ARv...7..243C | s2cid = 189937884 }}</ref> <ref name="Casagrande">{{Cite journal | author1 = Casagrande, L. | author2 = Portinari, L. | author3 = Flynn, C. | date = November 2006 | title = Accurate fundamental parameters for lower main-sequence stars | journal = MNRAS | volume = 373 | issue = 1 | pages = 13β44 | doi = 10.1111/j.1365-2966.2006.10999.x | doi-access = free | bibcode = 2006MNRAS.373...13C | type = Abstract | arxiv = astro-ph/0608504| s2cid = 16400466 }}</ref> <ref name="Carroll">{{cite book | author1 = Carroll, B. W. | author2 = Ostlie, D. A. | title = An Introduction to Modern Astrophysics | url = https://archive.org/details/introductiontomo00bwca_613 | url-access = limited | edition = 2nd | publisher = Pearson | isbn = 978-0-321-44284-0 | pages = [https://archive.org/details/introductiontomo00bwca_613/page/n59 60]β62 | year = 2007}}</ref> <ref name="Unsoeld2013">{{citation | title = The New Cosmos: An Introduction to Astronomy and Astrophysics | author1 = UnsΓΆld, A. | author2 = Baschek, B. | edition = 5th | publisher = [[Springer Science & Business Media]] | year = 2013 | isbn = 978-3662043561 | page = 331 | url = https://books.google.com/books?id=PrzoCAAAQBAJ&pg=PA331 }}</ref> <ref name="IAU_XXIX">{{cite web | url = http://www.iau.org/news/announcements/detail/ann15023/ | title = IAU XXIX General Assembly Draft Resolutions Announced | access-date = 8 July 2015}}</ref> <ref name="IAU2015B2">{{Citation | publisher = IAU Inter-Division A-G Working Group on Nominal Units for Stellar & Planetary Astronomy | title = IAU 2015 Resolution B2 on Recommended Zero Points for the Absolute and Apparent Bolometric Magnitude Scales | url = https://www.iau.org/static/resolutions/IAU2015_English.pdf | journal = Resolutions Adopted at the General Assemblies | date = 13 August 2015 | arxiv = 1510.06262 | bibcode = 2015arXiv151006262M | last1 = Mamajek | first1 = E. E. | last2 = Torres | first2 = G. | last3 = Prsa | first3 = A. | last4 = Harmanec | first4 = P. | last5 = Asplund | first5 = M. | last6 = Bennett | first6 = P. D. | last7 = Capitaine | first7 = N. | last8 = Christensen-Dalsgaard | first8 = J. | last9 = Depagne | first9 = E. | last10 = Folkner | first10 = W. M. | last11 = Haberreiter | first11 = M. | last12 = Hekker | first12 = S. | last13 = Hilton | first13 = J. L. | last14 = Kostov | first14 = V. | last15 = Kurtz | first15 = D. W. | last16 = Laskar | first16 = J. | last17 = Mason | first17 = B. D. | last18 = Milone | first18 = E. F. | last19 = Montgomery | first19 = M. M. | last20 = Richards | first20 = M. T. | last21 = Schou | first21 = J. | last22 = Stewart | first22 = S. G. | access-date = 1 July 2018 | archive-date = 28 January 2016 | archive-url = https://web.archive.org/web/20160128180606/https://www.iau.org/static/resolutions/IAU2015_English.pdf | url-status = dead }}</ref> <ref name="Luciuk">{{Citation | url = http://www.asterism.org/tutorials/tut35%20Magnitudes.pdf | author = Luciuk, M. | title = Astronomical Magnitudes | page = 8 | access-date = 11 January 2019 | archive-date = 20 September 2018 | archive-url = https://web.archive.org/web/20180920225551/http://www.asterism.org/tutorials/tut35%20Magnitudes.pdf | url-status = dead }}</ref> <ref name="Karttunen2016">{{cite book | url = https://books.google.com/books?id=ndd2DQAAQBAJ&pg=PA163 | page = 163 | title = Fundamental Astronomy | author1 = Karttunen, H. | author2 = KrΓΆger, P. | author3 = Oja, H. | author4 = Poutanen, M. | author5 = Donner, K. J. | publisher = Springer | year = 2016 | isbn = 9783662530450}}</ref> <ref name="Whitmell1907">{{Citation | url = http://adsbit.harvard.edu/full/seri/Obs../0030//0000097.000.html | title = Brightness of a planet | author = Whitmell, C. T. | year = 1907 | journal = The Observatory | volume = 30 | pages = 97 | bibcode = 1907Obs....30...96W}}</ref> <ref name="sizemagnitude">{{Citation | url = http://www.physics.sfasu.edu/astro/asteroids/sizemagnitude.html | title = Conversion of Absolute Magnitude to Diameter for Minor Planets | author = Bruton, D. | publisher = Stephen F. Austin State University | access-date = 12 January 2019 | archive-date = 23 July 2011 | archive-url = https://web.archive.org/web/20110723191750/http://www.physics.sfasu.edu/astro/asteroids/sizemagnitude.html | url-status = dead }}</ref> <ref name="Mag_formula">The <math>1329\text{ km}</math> factor can be computed as <math>2\text{ AU}\cdot10^{H_{\text{Sun}}/5}</math>, where <math>H_{\text{Sun}}=-26.76</math>, the absolute magnitude of the Sun, and <math>1\text{ AU}=1.4959787\times10^{8}\text{ km}.</math></ref> <ref name="H_derivation">{{cite journal|first1=P. |last1=Pravec |first2=A. W. |last2=Harris |title=Binary asteroid population 1. Angular momentum content |journal=Icarus |year=2007 |volume=190 |issue=190 |pages=250β259 |doi=10.1016/j.icarus.2007.02.023 |bibcode=2007Icar..190..250P |url=https://www.asu.cas.cz/%7Eppravec/pravecharris07.pdf |archive-url=https://ghostarchive.org/archive/20221009/https://www.asu.cas.cz/%7Eppravec/pravecharris07.pdf |archive-date=2022-10-09 |url-status=live}}</ref> <ref name="Albedo">{{Citation | url = http://hyperphysics.phy-astr.gsu.edu/hbase/phyopt/albedo.html | title = Albedo of the Earth | publisher = Department of Physics and Astronomy | access-date = 12 January 2019}}</ref> <ref name="Luciuk2">{{Citation | url = http://www.asterism.org/tutorials/tut26-1.htm | title = Albedo β How bright is the Moon? | author = Luciuk, M. | access-date = 12 January 2019}}</ref> <ref name="JPLHorizonsVenus">{{Citation | url = https://ssd.jpl.nasa.gov/horizons.cgi | title = JPL Horizons | type = Ephemeris Type "OBSERVER", Target Body "Venus [299]", Observer Location "Geocentric [500]", Time Span "Start=2019-01-01 00:00, Stop=2019-01-02 00:00, Step=1 d", QUANTITIES=9,19,20,24 | access-date = 11 January 2019 | publisher = Jet Propulsion Laboratory}}</ref> <ref name="MPC1985">{{Citation | url = https://minorplanetcenter.net/iau/ECS/MPCArchive/1985/MPC_19851227.pdf | title = Minor Planet Circular 10193 | date = 27 December 1985 | publisher = Minor Planet Center | access-date = 11 January 2019}}</ref> <ref name="Lagerkvist">{{Citation | title = Physical studies of asteroids. XV β Determination of slope parameters and absolute magnitudes for 51 asteroids | author1 = Lagerkvist, C.-I. | author2 = Williams, I. | year = 1987 | journal = Astronomy and Astrophysics Supplement Series | volume = 68 | issue = 2 | pages = 295β315 | bibcode = 1987A&AS...68..295L | url = https://www.researchgate.net/publication/234236400}}</ref> <ref name="dymock">{{Citation | url = https://www.britastro.org/asteroids/dymock4.pdf | title = The H and G magnitude system for asteroids | author = Dymock, R. | journal = Journal of the British Astronomical Association | volume = 117 | issue = 6 | year = 2007 | pages = 342β343 | bibcode = 2007JBAA..117..342D | access-date = 11 January 2019}}</ref> <ref name="JPLdoc">{{Cite FTP | url = ftp://ssd.jpl.nasa.gov/pub/ssd/Horizons_doc.pdf | title = JPL Horizons (Version 3.75) | page = 27 | date = 4 April 2013 | server = Jet Propulsion Laboratory | url-status = dead | access-date = 11 January 2013 }}</ref> <ref name="Bennu">{{Citation | url = https://ssd.jpl.nasa.gov/sbdb.cgi?sstr=101955;old=0;orb=0;cov=0;log=0;cad=0#phys_par | title = JPL Small-Body Database Browser β 101955 Bennu | date = 19 May 2018 | access-date = 11 January 2019 | publisher = Jet Propulsion Laboratory}}</ref> <ref name="Shevchenko2016">{{Citation | title = Asteroid observations at low phase angles. IV. Average parameters for the new H, G1, G2 magnitude system | author1 = Shevchenko, V. G. | display-authors = et al | journal = Planetary and Space Science | volume = 123 | date = April 2016 | pages = 101β116 | doi = 10.1016/j.pss.2015.11.007| bibcode = 2016P&SS..123..101S | hdl = 10138/228807 | hdl-access = free }}</ref> <ref name="lc">{{cite journal | title = Asteroid Lightcurve Derived Data V16.0 | journal = NASA Planetary Data System | volume = 246 | author1 = Harris, A. W. | author2 = Warner, B. D. | author3 = Pravec, P. | year = 2016 | pages = EAR-A-5-DDR-DERIVED-LIGHTCURVE-V16.0 | bibcode = 2016PDSS..246.....H}}</ref> <ref name="MPES">{{Citation | url = https://minorplanetcenter.net/iau/info/MPES.pdf | title = Guide to the MPES | publisher = Minor Planet Center | page = 11 | access-date = 11 January 2019}}</ref> <ref name="Meisel1976">{{Citation | title = Comet brightness parameters: Definition, determination, and correlations | author1 = Meisel, D. D. | author2 = Morris, C. S. | bibcode = 1976NASSP.393..410M | journal = NASA. Goddard Space Flight Center the Study of Comets, Part 1 | volume = 393 | pages = 410β444 | year = 1976}}</ref> <ref name="COBS 2011L4">{{Citation | url = https://cobs.si/analysis2?plot_type=0&end_date=2013/06/01%2000:00&col=comet_id&fit_curve=1&perihelion=1&obs_type=1&id=654&start_date=2013/01/01%2000:00 | title = Comet C/2011 L4 (PANSTARRS) | publisher = COBS | access-date = 11 January 2019 }}{{Dead link|date=July 2023 |bot=InternetArchiveBot |fix-attempted=yes }}</ref> <ref name="MPC2011L4">{{Citation | url = https://minorplanetcenter.net/iau/MPEph/MPEph.html | title = Minor Planet & Comet Ephemeris Service | type = C/2011 L4, ephemeris start date<nowiki>=</nowiki>2013-03-10 | access-date = 11 January 2019 | publisher = Minor Planet Center}}</ref> <ref name="kidger">{{Citation | author = Kidger, M. | url = http://www2.jpl.nasa.gov/comet/news66.html | title = Comet Hale-Bopp Light Curve | publisher = NASA JPL | date = 3 April 1997 | access-date = 31 May 2019 | archive-url = https://web.archive.org/web/20190629103346/https://www2.jpl.nasa.gov/comet/news66.html | archive-date = 29 June 2019 | url-status = dead}}</ref> <ref name="Hughes">{{Cite journal | title = Cometary Absolute Magnitudes, their Significance and Distribution| author = Hughes, D. W. | journal = Asteroids, Comets, Meteors III, Proceedings of a Meeting (AMC 89) Held at the Astronomical Observatory of the Uppsala University | location = Uppsala | date = 16 June 1989 | bibcode = 1990acm..proc..327H | pages = 337}}</ref> <ref name="Jewitt">{{Cite journal | url = http://www.ifa.hawaii.edu/publications/preprints/05preprints/Jewitt_05-165.pdf | title = Comet D/1819 W1 (Blanpain): Not Dead Yet | author = Jewitt, D. | journal = Astronomical Journal | year = 2006 | volume = 131 | issue = 4 | pages = 2327β2331 | doi = 10.1086/500390 | bibcode = 2006AJ....131.2327J | access-date = 31 May 2019| doi-access = free }}</ref> <ref name="Yoshida">{{Citation | url = http://www.aerith.net/comet/catalog/0289P/index.html | title = 289P/Blanpain | author = Yoshida, S. | website = aerith.net | date = 24 January 2015 | access-date = 31 May 2019}}</ref> <ref name="JPL_289">{{Citation | url = https://ssd.jpl.nasa.gov/sbdb.cgi?sstr=289P#phys_par | date = 18 May 2019 | title = 289P/Blanpain (2013-07-17 last obs.) | access-date = 31 May 2019 | publisher = Jet Propulsion Laboratory}}</ref> <ref name="Lamy2004">{{Citation | url=https://physics.ucf.edu/~yfernandez/papers/comets2chapter/comets2reprint.pdf |archive-url=https://ghostarchive.org/archive/20221009/https://physics.ucf.edu/~yfernandez/papers/comets2chapter/comets2reprint.pdf |archive-date=2022-10-09 |url-status=live | title=The sizes, shapes, albedos, and colors of cometary nuclei | author1=Lamy, P. L. | author2=Toth, I. | author3=Fernandez, Y. R. | author4=Weaver, H. A. | year=2004 | bibcode=2004come.book..223L | publisher=University of Arizona Press, Tucson | pages=223β264}}</ref> <ref name="IMO">{{cite web | url=http://www.imo.net/glossary#term66 | title=Glossary β Absolute magnitude of meteors | publisher=International Meteor Organization | access-date=16 May 2013}}</ref> <ref name="SSD_Glossary">{{cite web | url=http://ssd.jpl.nasa.gov/?glossary&term=H | publisher=[[NASA Jet Propulsion Laboratory]] | title=Solar System Dynamics Glossary β Absolute magnitude of Solar System bodies | access-date=16 May 2013}}</ref> }}
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