PDS_VERSION_ID = PDS3 RECORD_TYPE = "STREAM" LABEL_REVISION_NOTE = "24 Apr 2002, A.C.Raugh: Creation 2005-1-31 D.Tarico: Merged the catalog file with information in OLAF. This changed instrument_host_name to be more descriptive and added GROUP information to the description. ; 2008-09-03: Instrument host name modified for consistency." OBJECT = INSTRUMENT_HOST INSTRUMENT_HOST_ID = "MCD27" OBJECT = INSTRUMENT_HOST_INFORMATION INSTRUMENT_HOST_NAME = "MCDONALD OBSERVATORY 2.7M TELESCOPE" INSTRUMENT_HOST_TYPE = "EARTH BASED" INSTRUMENT_HOST_DESC = " Instrument Host Overview ======================== McDonald Observatory Harlan J. Smith 2.7m (107in) Telescope The information included here was extracted from the McDonald Observatory web site at: http://mcdonaldobservatory.org/ on 24 April 2002 by A.C.Raugh. Observatory Information ======================= McDonald Observatory is administered by the University of Texas at Austin. Telescopes are located on Mt. Locke in the Davis Mountains of West Texas. East longitude: -104 01.3 Latitude: +30 40.3 Elevation: 2075 meters above sea level Telescope Information ===================== Harlan J. Smith optical telescope Primary Mirror Diameter: 2.72m (107 in) Focal Length: 10.68m ( 35 ft) f-ratio: 3.93 The telescope has three focal points: Cassegrain f/8.8 Cassegrain Coude Ritchey-Chretien f/17.7 f/32.5 Focal Length 23.91m/78.4ft 47.98m/157.4ft 88.43m/290.1ft f-ratio 8.8 17.65 32.54 Field Angle 61.5 arcmin 31 arcmin 3 arcmin Plate Scale 8.62 arcsec/mm 4.29 arcsec/mm 2.32 arcsec/mm GROUP = OBSERVATORY_PARAMETERS OBSERVATORY_ID = 'OBS445' NAME = 'MCDONALD OBSERVATORY' COUNTRY = 'USA' ADDRESS = 'UNIVERSITY OF TEXAS\N P.O. BOX 1337\N FORT DAVIS, TEXAS' END_GROUP = OBSERVATORY_PARAMETERS GROUP = TELESCOPE_PARAMETERS TELESCOPE_ID = 'T1' NAME = '2.7M TELESCOPE' APERTURE = 2.72 LONGITUDE = -103.978439 /* -103 58 42.38 */ LATITUDE = 30.671583 /* +30 40 17.7 */ ALTITUDE = 2075 COORDINATE_SOURCE = 'North American (1927) datum' END_GROUP = TELESCOPE_PARAMETERS" END_OBJECT = INSTRUMENT_HOST_INFORMATION OBJECT = INSTRUMENT_HOST_REFERENCE_INFO REFERENCE_KEY_ID = "N/A" END_OBJECT = INSTRUMENT_HOST_REFERENCE_INFO END_OBJECT = INSTRUMENT_HOST END