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NAMED VENUSIAN CRATERS; Joel F NAMED VENUSIAN CRATERS; Joel F. Russell and Gerald G. Schaber, U.S. Geological Survey, 2255 N. Gemini Dr. Flagstaff, AZ 86001 Schaber et al. [I] compiled a database of 841 craters on Venus, based on Magellan coverage of 89% of the planet's surface. That database, derived from coverage of approximately 98% of Venus' surface, has been expanded to 912 craters, ranging in diameter from 1.5 to 280 krn [2]. About 150 of the larger craters were previously identified by Pioneer Venus and Soviet Venera projects and subsequently forrnally named by the International Astronomical Union (IAU). A few of the features identified and nanled as impact craters on Pioneer and Venera images have not been recognized on Magellan images, and therefore the IAU is being requested to drop their names. For example, the feature known as Cleopatra is officially named as a patera, although it is now generally accepted that Cleopatra is a crater [I]. Also, the feature Eve, which has been used to define the prime meridian for Venus, was erroneously identified as an impact feature, but its true morphology has not been determined from Magellan images. The Magellan project has requested the IAU to name hundreds of craters identified by Magellan. At its triennial General Assembly in Buenos Aires in 1991, the IAU [3] gave full approval to names for 102 craters (table 1) in addition to those previously named. At its 1992 meeting, the IAU's Working Group for Planetary System Nomenclature, which screens all planetary names prior to formal consideration by the General Assembly, gave provisional approval to names for an additional 239 Venusian craters. These names will not be formally approved until the next IAU General Assembly in 1994; however, provisionally approved names may be used in publications if their provisional status is indicated. Another 62 crater names submitted to the IAU for approval will be voted on at the 1993 meeting of the Worhng Group for Planetary System Nomenclature. Altogether, the crater names submitted to the IAU for approval to date number about 550, a little more than half of the number of craters identified on Magellan images. The IAU will consider more names as they are submitted for approval. Anyone--planetary scientist or layman--may submit names; however, candidate names must conform to IAU rules. The person to be honored must be deceased for at least three years, must not be a religious figure or a military or political figure of the 19th or 20th century, and, for Venus, must be a woman. All formally and provisionally approved names for Venusian impact craters, along with their latitude, longitude, size, and origin of their name, will be presented at LPSC, and will be available as handouts. References: [l] Schaber, G.G., and nine others (1992) J. Geophvs. Res., 97, E8, 13,257- 13,301; [2] Schaber and Chadwick, this conference; [3] International Astronomical Union (1991) Proceed. 2 1st Gen. Assembly, Buenos Aires, 199 1: Trans. Internat. Astr.017: Union, 21B, 357- 363. O Lunar and Planetary Institute Provided by the NASA Astrophysics Data System 1220 LPSC XXIV NAMED VENUSIAN CRATERS; Russell, J.F., and Schaber, G.G. Table 1. Venusian crater names approved by the IAU in 1991. Name la t long Name lat long Adivar 8.9N 75.9E Greenaway 22.9N 145.OE Aglaonice 26.5s 339.9E Guilbert 57.9s 13.6E Agnesi 39.58 37.8E Halle 19.8s 115 1E Agrippina 33.2s 65.6E Hellman 3.8N 356.2E Alcott 59.5s 354.5E Henie 52.0s 145.8E Al-Taymuriyya 32.9N 336.2E Hepworth 5.1N 94.6E Amalasthuna 11.5s 342.4E Hirmko 19.ON 124.2E Amaya 11.3N 89.3E Holiday 46.7s 12.8E Amenardes 15.ON 54.1 E Horner 23.4N 97.7E Andami 17.5s 26.5E Hua Mulan 86.8N 337.7E Anicia 26.3s 31.3E Huang Daopo 54.2s 165.2E Annia Faustina 22.1N 4.6E Hwangcini 6.3N 141.7E Astrid 2 1.4s 335.5E Joliet-Curie 1.6s 62.5E Aurelia 20.3N 33 1.88 Kartini 57.8N 333.0E Avviyar 18.0s 353.6E Kollwitz 25.2N 133.6E Badarzewska 22.6s 137.2E Lac happelle 26.7N 336.5E Ban Zhao 17.2N 146.9E Lehmann 44.1s 39.1E Barrera 16.6N 109.3E Li Qlngzhao 23.7N 94.5E Barton 27.4N 337.5E Lullin 23.1N 81.OE Bassi 19.0s 64.6E Manzolini 25.7N 91.2E Behn 32.5s 141.8E Marie Celeste 23.5N 140.2E Blixen 59.9s 145.6E Marsh 63.7s 56.6E Bonnevie 36.1s 126.8E Mead 12.5N 57.2E Boulanger 26.53 99.38 Merian 34.5N 76.2E Bourke-White 2 1.2N 147.9E Millay 24.4N 111.1E Bridgit 45.33 348.9E Mona Lisa 25.6N 25.1E Buck 5.7s 319.6E Mu Guiying 11.2N 80.7E Budevska 0.5N 143.OE Nemcovk 5.9N 125.1E Callas 2.4N 26.98 Nijinskaya 25.8N 122.5E Callirhoe 21.3N 110.6E O'Connor 26.0s 143.8E Carreno 3.9s 16.1E Parra 20.5N 78.5E Carson 24.2s 344.1 E Piaf 0.8N 5.2E Chapelle 6.4N 103.8E Recamier 12.5s 57.9E Con 25.4N 72.7E Riley l4.ON 72.3E Cunitz 14.5N 350.9E Roxanna 26.5N 334.6E Cynthia 16.7s 347.5E Samintang 39.0s 80.6E Danilova 76.45 337.3E Saslria 28.6s 337.2E de Beauvoir 2.ON 96.1 E Scarpellini 23.2s 34.6E De Lalande 20.3N 355.9E Slmonenko 26.9s 97.5E Deloria 32.0s 97.OE Stein 30.0s 345.5E Devorguilla 15.3N 3.9E Stuart 30.8s 20.2E Erxleben 50.9s 39.4E Vigier Lebrun 17.3N 141.1E Ferber 26.4N 13.OE von Siebold 52.0s 36.7E Ferrier 15.8N 111.3E Wilder 17.1N 122.4E Festa 1 1.5N 27.2E Woolf 37.7s 27.1E Flagstad 54.3s 18.9E Xantippe 10.95 11.7E Frank 13.2s 12.9E Xiao Hong 43.6s 101.7E Frcdegonde 50.6s Y3.1E Zhu Shuzhen 26.55 356.5L Geoprrt-Meyer 59.8N 26.8E (icrmctin 38.0s h3.hE: O Lunar and Planetary Institute Provided by the NASA Astrophysics Data System .
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