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O'BRIEN JR., G. T., LAMBERT, D. L. <AP. J. SUPPL., 62, 899> 861205 THE 10830 A CHROMOSPHERIC LINE OF HELIUM IN BRIGHT STARS O'BRIEN, G., LAMBERT, D. L. <AP. J. (LETTERS), 229, L33> 790407 HE I 10830A EMISSION FROM ALPHA BOOTIS AND ALPHA 1 HERCULIS O'CONNELL, R. W. <AP. J., 206, 370> 760602 GALAXY SPECTRAL SYNTHESIS. I. STELLAR POPULATIONS IN THE NUCLEI OF GIANT ELLIPTICALS O'CONNELL, R. W. <AP. J., 236, 430> 800303 GALAXY SPECTRAL SYNTHESIS. II. M32 AND THE AGES OF GALAXIES O'DEA, C. P., BAUM, S. A., STANGHELLINI, C., DEY, A., VAN BREUGEL, W., DEUSTUA, S., SMITH, E. P. <A. J., 104, 1320> 921001 RADIO AND OPTICAL OBSERVATIONS OF 0218+357: THE SMALLEST EINSTEIN RING? O'DELL, C. R., HARTIGAN, P., LANE, W. M., WONG, S. K., BURTON, M. G., RAYMOND, J., AXON, D. J. <A. J., 114, 730> 970828 HERBIG HARO OBJECTS IN THE ORION NEBULA O'DELL, S. L., PUSCHELL, J. J., STEIN, W. A. <AP. J., 213, 351> 770406 THE 0.36-3.5 MICROMETER SPECTRAL-FLUX DISTRIBUTION OF SEVERAL BL LACERTAE OBJECTS O'DELL, S. L., PUSCHELL, J. J., STEIN, W. A., OWEN, F. N., PORCAS, R. W., MUFSON, S. L., MOFFETT, T. J., ULRICH, M. -H. <AP. J., 224, 22> 780806 COORDINATED PHOTOMETRIC AND SPECTROSCOPIC OBSERVATIONS OF STRONG EXTRAGALACTIC 90 GHZ SOURCES O'DELL, S. L., PUSCHELL, J. J., STEIN, W. A., WARNER, J. W. <AP. J. (LETTERS), 214, L105> 770611 DEVELOPMENT OF A SPECTRAL BREAK IN THE NONTHERMAL EMISSION OF AO 0235+164 O'DELL, S. L., PUSCHELL, J. J., STEIN, W. A., WARNER, J. W. <AP. J. SUPPL., 38, 267> 781105 THE CHANGES IN SPECTRAL-FLUX DISTRIBUTION DURING VARIABILITY OF EXTRAGALACTIC NONTHERMAL SOURCES, 0.36 TO 3.5 MICRONS O'DELL, S. L., PUSCHELL, J. J., STEIN, W. A., WARNER, J. W., ULRICH, M. -H. <AP. J., 219, 818> 780206 THE SPECTRAL-FLUX DISTRIBUTION (0.36-3.5 MICRON) OF NONSTELLAR LIGHT FROM THE BROAD-LINE RADIO GALAXIES 3C 227 AND 3C 382 O'NEAL, D., NEFF, J. E. <A. J., 113, 1129> 970303 OH 1.563 MICRON ABSORPTION FROM STARSPOTS ON ACTIVE STARS ODA, N., MAIHARA, T., SUGIYAMA, T., OKUDA, H. <ASTR. AP., 72, 309> 790213 COSMIC DUST IN THE CENTRAL REGION OF THE GALAXY AND ANOMALOUS INFRARED SOURCE AT L=355, B=-1 ODELL, A. P., LEBOFSKY, M. <ASTR. AP., 140, 468> 841124 AN ADDITIONAL NOTE ON THE IR-EXCESS OF THE HELIUM-VARIABLE STARS ODENWALD, S. F. <A. J., 97, 801> 890302 AN IRAS SURVEY OF YOUNG STELLAR OBJECTS TOWARDS THE CYGNUS X REGION ODENWALD, S. F. <AP. J., 307, 711> 860805 AN IRAS SURVEY OF IR EXCESSES IN G-TYPE STARS ODENWALD, S. F. <AP. J., 310, 86> 861112 THE URSA MAJOR I(S) GALAXY GROUP: CO AND FAR-INFRARED OBSERVATIONS ODENWALD, S. F. <AP. J., 314, 830> 870318 ERRATUM TO ``AN IRAS SURVEY OF IR EXCESSES IN G-TYPE STARS'' ODENWALD, S. F. <AP. J., 325, 320> 880207 COMET-LIKE CLOUDS AT FAR-INFRARED AND OPTICAL WAVELENGTHS: MACH CONES AND HYDRODYNAMICS? ODENWALD, S. F., CAMPBELL, M. F., SHIVANANDAN, K., SCHWARTZ, P., FAZIO, G. G., MOSELEY, H. <A. J., 99, 288> 900102 MULTIWAVELENGTH OBSERVATIONS OF TWO B-STAR NURSERIES: DR 15 AND DR 20 ODENWALD, S. F., FAZIO, G. G. <AP. J., 283, 601> 840808 A FAR-INFRARED SURVEY OF THE GALACTIC CENTER ODENWALD, S. F., RICKARD, L. J. <AP. J., 318, 702> 870716 HYDRODYNAMICAL PROCESSES IN THE DRACO MOLECULAR CLOUD ODENWALD, S. F., SCHWARTZ, P. R. <AP. J. (LETTERS), 345, L47> 891022 FIVE UNUSUAL COMPACT CO SOURCES IN THE CYGNUS X REGION ODENWALD, S. F., SCHWARTZ, P. R. <AP. J., 405, 706> 930303 AN IRAS SURVEY OF STAR-FORMING REGIONS TOWARD CYGNUS ODENWALD, S. F., SHIVANANDAN, K., FAZIO, G. G., RENGARAJAN, T. N., MCBREEN, B., CAMPBELL, M. F., MOSELEY, H. <AP. J., 279, 162> 840410 FAR-INFRARED SOURCES IN THE VICINITY OF THE SUPERNOVA REMNANT W28 ODENWALD, S., FISCHER, J., LOCKMAN, F. J., STEMWEDEL, S. <AP. J., 397, 174> 920913 THE UNUSUAL COMETARY STAR-FORMING REGION G110-13 ODENWALD, S., NEWMARK, J., SMOOT, G. <AP. J., 500, 554> 980615 A STUDY OF EXTERNAL GALAXIES DETECTED BY THE COBE DIFFUSE INFRARED BACKGROUND EXPERIMENT ODENWALD, S., SHIVANANDAN, K., CAMPBELL, M., FAZIO, G., SCHWARTZ, P., MOSELEY, H. <AP. J., 306, 122> 860711 FAR-INFRARED AND RADIO OBSERVATIONS OF DR 6, DR 7, AND DR 22 ODENWALD, S., SHIVANANDAN, K., THRONSON JR., H. A. <P. A. S. P., 104, 127> 920220 ASTRONOMICAL OBSERVATIONS AT 10 AND 20 MICRONS WITH THE NRL INFRARED CAMERA OESTREICHER, M. O., SCHMIDT-KALER, TH., WARGAU, W. <M. N. R. A. S., 289, 729> 970824 RED SUPERGIANTS IN THE LMC-I. BVRIJHK PHOTOMETRY, MAGNITUDES AND INTRINSIC COLOURS OGDEN, P. M., ROESLER, F. L., LARSON, H. P., SMITH, H. A., REYNOLDS, R. J., SCHERB, F. <AP. J. (LETTERS), 233, L21> 791007 EVIDENCE FOR TEMPORAL VARIATIONS IN THE H2 2.1 MICRON EMISSION FROM THE ORION NEBULA OGDEN, P. M., ROESLER, F. L., REYNOLDS, R. J., SCHERB, F., LARSON, H. P., SMITH, H. A., DAEHLER, M. <AP. J. (LETTERS), 226, L91> 781205 MEASUREMENTS OF THE VELOCITY AND WIDTH OF THE H2 2.1 MICRON EMISSION LINE FROM THE ORION NEBULA OINAS, V. <AP. J. SUPPL., 27, 391> 740508 STRONG-LINE K STARS. I. PHOTOMETRY OISHI, M., MAIHARA, T., NOGUCHI, K., OKUDA, H., SATO, S. <P. A. S. J., 28, 175> 760004 INFRARED POLARIZATION OF CRL 2591 OKE, J. B. <AP. J. (LETTERS), 150, L173> 671201 A VARIABLE RADIO-QUIET COMPACT GALAXY I ZW 1727+50 OKE, J. B. <AP. J. SUPPL., 27, 21> 740210 ABSOLUTE SPECTRAL ENERGY DISTRIBUTIONS FOR WHITE DWARFS OKE, J. B. <AP. J., 141, 6> 650103 THE OPTICAL SPECTRUM OF 3C 273 OKE, J. B. <AP. J., 143, 134> 660102 ABSOLUTE PHOTOELECTRIC SPECTROPHOTOMETRY OF STARS IN THE HYADES OKE, J. B. <AP. J., 150, 513> 671101 EFFECTIVE TEMPERATURES AND GRAVITIES OF LAMBDA BOOTIS STARS OKE, J. B., GUNN, J. E. <AP. J., 266, 713> 830310 SECONDARY STANDARD STARS FOR ABSOLUTE SPECTROPHOTOMETRY OKE, J. B., NEUGEBAUER, G., BECKLIN, E. E. <AP. J. (LETTERS), 156, L41> 690403 SPECTROPHOTOMETRY AND INFRARED PHOTOMETRY OF BL LACERTAE OKE, J. B., NEUGEBAUER, G., BECKLIN, E. E. <AP. J., 159, 341> 700101 ABSOLUTE SPECTRAL ENERGY DISTRIBUTION OF QUASI-STELLAR OBJECTS FROM 0.3 TO 2.2 MICRONS OKE, J. B., SANDAGE, A. R. <AP. J., 154, 21> 681001 ENERGY DISTRIBUTIONS, K CORRECTIONS, AND THE STEBBINS-WHITFORD EFFECT FOR GIANT ELLIPTICAL GALAXIES OKE, J. B., SARGENT, W. L. W. <AP. J., 151, 807> 680301 THE NUCLEUS OF THE SEYFERT GALAXY NGC 4151 OKE, J. B., SCHILD, R. E. <AP. J., 161, 1015> 700902 THE ABSOLUTE SPECTRAL ENERGY DISTRIBUTION OF ALPHA LYRAE OKE, J. B., SCHWARZSCHILD, M. <AP. J., 198, 63> 750504 ABSOLUTE SPECTROPHOTOMETRY IN M31 AND M32 OKUDA, H., MAIHARA, T., ODA, N., SUGIYAMA, T. <NATURE, 265, 515> 770212 2.4 MICRON MAPPING OF THE GALACTIC CENTRAL REGION OKUDA, H., SHIBAI, H., NAKAGAWA, T., MATSUHARA, H., KOBAYASHI, Y., KAIFU, N., NAGATA, T., GATLEY, I., GEBALLE, T. R. <AP. J., 351, 89> 900305 AN INFRARED QUINTUPLET NEAR THE GALACTIC CENTER OLDHAM, P.G., GRIFFIN, M. J., RICHARDSON, K. J., SANDELL, G. <ASTR. AP., 284, 559> 940404 W3 - A STUDY OF A SITE OF MASSIVE STAR FORMATION. I. CONTINUUM AND C18O OBSERVATIONS AND COMPARISON AS MASS TRACERS OLIVA, E. <AP. J. (LETTERS), 321, L45> 871006 FORBIDDEN LINES OF SII: AN ALTERNATE INTERPRETATION FOR AN INFRARED EMISSION FEATURE IN THE SPECTRUM OF SN 1983N (M83) OLIVA, E., MOORWOOD, A. F. M. <AP. J. (LETTERS), 348, L5> 900111 DETECTION OF [SI VI] 1.962 MICRONS AND NEW OBSERVATIONS OF INFRARED H, [FE II], AND H2 LINE EMISSION IN THE SEYFERT GALAXY NGC 1068 OLIVA, E., MOORWOOD, A. F. M. <ASTR. AP., 164, 104> 860819 INFRARED OBJECTS NEAR H2O MASERS IN REGIONS OF ACTIVE STAR FORMATION OLIVA, E., MOORWOOD, A. F. M. <ASTR. AP., 197, 261> 880522 DETECTION OF NEW, HIGH EXCITATION, EMISSION LINES OF H2 IN THE 2.0-2.4 MICRON SPECTRUM OF THE ORION NEBULA OLIVA, E., MOORWOOD, A. F. M., DANZIGER, I. J. <ASTR. AP., 214, 307> 890421 INFRARED SPECTOSCOPY OF SUPERNOVA REMNANTS OLIVA, E., MOORWOOD, A. F. M., DANZIGER, I. J. <ASTR. AP., 240, 453> 901223 INFRARED SPECTROSCOPY OF SUPERNOVA REMNANTS. II. A DETAILED STUDY OF RCW 103 OLIVA, E., ORIGLIA, L. <ASTR. AP., 332, 46> 980421 IR SPECTRA OF YOUNG MAGELLANIC CLOUD CLUSTERS AND STARBURST GALAXIES: CONSTRAINTS ON THE TEMPERATURE OF RED SUPERGIANTS AND NEW ESTIMATES OF METALLICITY IN YOUNG STELLAR POPULATIONS OLIVA, E., ORIGLIA, L., KOTILAINEN, J. K., MOORWOOD, A. F. M. <ASTR. AP., 301, 55> 950915 RED SUPERGIANTS AS STARBURST TRACERS IN GALACTIC NUCLEI OLIVA, E., SALVATI, M., MOORWOOD, A. F. M., MARCONI, A. <ASTR. AP., 288, 457> 940805 SIZE AND PHYSICAL CONDITIONS OF THE CORONAL LINE REGION IN A NEARBY SEYFERT 2: THE CIRCINUS GALAXY OLNON, F. M., BAUD, B., HABING, H. J., DE JONG, T., HARRIS, S., POTTASCH, S. R. <AP. J. (LETTERS), 278, L41> 840325 IRAS OBSERVATIONS OF OH/IR STARS OLNON, F. M., RAIMOND, E., IRAS SCIENCE TEAM <ASTR. AP. SUPPL., 65, 607> 860917 IRAS CATALOGUES AND ATLASES. ATLAS OF LOW-RESOLUTION SPECTRA OLOFSSON, G. <ASTR. AP., 120, 1> 830415 THE COMPACT H II REGION S235A. OBSERVATIONS AND INTERPRETATION OLOFSSON, G., KOORNNEEF, J. <ASTR. AP., 146, 337> 850516 INFRARED OBSERVATIONS OF A COMPACT HII REGION IN MONOCEROS (GGD12-15) OLOFSSON, H., ERIKSSON, K., GUSTAFSSON, B., CARLSTROM, U. <AP. J. SUPPL., 87, 267> 930724 A STUDY OF CIRCUMSTELLAR ENVELOPES AROUND BRIGHT CARBON STARS. I. STRUCTURE, KINEMATICS, AND MASS-LOSS RATE OLOFSSON, H., ERIKSSON, K., GUSTAFSSON, B., CARLSTROM, U. <AP. J. SUPPL., 87, 305> 930725 A STUDY OF CIRCUMSTELLAR ENVELOPES AROUND BRIGHT CARBON STARS. II. MOLECULAR ABUNDANCES OLTHOF, H. <ASTR. AP., 33, 471> 740711 MULTICOLOUR FAR INFRARED PHOTOMETRY OF GALACTIC H II REGIONS OLTHOF, H., VAN DUINEN, R. J. <ASTR. AP., 29, 315> 731210 TWO COLOUR FAR INFRARED PHOTOMETRY OF SOME GALACTIC H II REGIONS OMONT, A., MOSELEY, S. H., COX, P., GLACCUM, W., CASEY, S., FORVEILLE, T., CHAN, K. -W., SZCZERBA, R., LOEWENSTEIN, R. F., HARVEY, P. M., KWOK, S. <AP. J., 454, 819> 951208 THE 30 MICRON EMISSION BAND IN CARBON-RICH PRE-PLANETARY NEBULAE OMONT, A., MOSELEY, S. H., FORVEILLE, T., GLACCUM, W. J., HARVEY, P. M., LIKKEL, L., LOEWENSTEIN, R. F., LISSE, C. M. <AP. J. (LETTERS), 355, L27> 900523 OBSERVATIONS OF 40-70 MICRON BANDS OF ICE IN IRAS 09371+1212 AND OTHER STARS ONAKA, T., DE JONG, T., WILLEMS, F. J. <ASTR. AP. SUPPL., 81, 261> 891214 A STUDY OF M MIRA VARIABLES BASED ON IRAS LRS OBSERVATIONS. II. MODEL FITS AND DERIVED PARAMETERS FOR 109 MIRAS ONAKA, T., DE JONG, T., WILLEMS, F. J. <ASTR. AP., 218, 169> 890721 A STUDY OF M MIRA VARIABLES BASED ON IRAS LRS OBSERVATIONS I. DUST FORMATION IN THE CIRCUMSTELLAR SHELL OPPENHEIMER, B. R., KULKARNI, S. R., MATTHEWS, K., NAKAJIMA, T. <SCIENCE, 270, 1478> 951225 INFRARED SPECTRUM OF THE COOL BROWN DWARF GL 229B OPPENHEIMER, B. R., KULKARNI, S. R., MATTHEWS, K., VAN KERKWIJK, M. H. <AP. J., 502, 932> 980806 THE SPECTRUM OF THE BROWN DWARF GLIESE 229B ORIGLIA, L., FERRARO, F. R., FUSI PECCI, F. <M. N. R. A. S., 277, 1125> 951221 10-MICRON IMAGING OF OMEGA CENTAURI: THE MIRA VARIABLE V42 AS THE COUNTERPART OF THE IRAS SOURCE? ORIGLIA, L., MOORWOOD, A. F. M., OLIVA, E. <ASTR. AP., 280, 536> 931219 THE 1.5-1.7 MICRON SPECTRUM OF COOL STARS: LINE IDENTIFICATIONS, INDICES FOR SPECTRAL CLASSIFICATION AND THE STELLAR CONTENT OF THE SEYFERT GALAXY NGC 1068 ORIGLIA, L., SCALTRITI, F., ANDERLUCCI, E., FERRARO, F. R., FUSI PECCI, F. <M. N. R. A. S., 292, 753> 971222 INTRACLUSTER DUST IN THE CENTRAL REGION OF 47 TUC? OSBORNE, J. P., BEARDMORE, A. P., WHEATLEY, P. J., HAKALA, P., WATSON, M. G., MASON, K. O., HASSALL, B. J. M., KING, A. R. <M. N. R. A. S., 270, 650> 941027 THE DISCOVERY OF RE 1307+535: THE SHORTEST PERIOD AM HER SYSTEM OSTERBROCK, D. E., FULBRIGHT, J. P. <P. A. S. P., 108, 183> 960227 NEAR-INFRARED EMISSION-LINE SPECTRUM OF NGC 1068 OSTERBROCK, D. E., SHAW, R. A., VEILLEUX, S. <AP. J., 352, 561> 900407 NEAR-INFRARED EMISSION-LINE SPECTRA OF THE ORION NEBULA, NGC 4151, AND OTHER SEYFERT GALAXIES OSTERBROCK, D. E., TRAN, H. D., VEILLEUX, S. <AP. J., 389, 305> 920405 FAINT EMISSION LINES IN THE SPECTRUM OF THE ORION NEBULA AND THE ABUNDANCES OF SOME OF THE RARER ELEMENTS OSTERLOH, M., HENNING, TH., LAUNHARDT, R. <AP. J. SUPPL., 110, 71> 970519 INFRARED IMAGES AND MILLIMETER DATA FROM COLD SOUTHERN IRAS SOURCES OUDMAIJER, R. D. <ASTR. AP., 306, 823> 960219 A SEARCH FOR HOT POST-AGB STARS IN THE IRAS POINT SOURCE CATALOG OUDMAIJER, R. D., DE WINTER, D. <ASTR. AP., 295, L43> 950327 ON THE 21 MICRON FEATURE IN H II REGIONS OUDMAIJER, R. D., DREW, J. E., BARLOW, M. J., CRAWFORD, I. A., PROGA, D. <M. N. R. A. S., 291, 110> 971033 HELIUM ABSORPTION AND EMISSION TOWARDS THETA 1 ORI C OUDMAIJER, R. D., GEBALLE, T. R., WATERS, L. B. F. M., SAHU, K. C. <ASTR. AP., 281, L33> 940102 DISCOVERY OF NEAR-INFRARED HYDROGEN LINE EMISSION IN THE PECULIAR F8 HYPERGIANT IRC+10420 OUDMAIJER, R. D., GROENEWEGEN, M. A. T., MATHEWS, H. E., BLOMMAERT, J. A. D. L., SAHU, K. C. <M. N. R. A. S., 280, 1062> 960621 THE SPECTRAL ENERGY DISTRIBUTION AND MASS-LOSS HISTORY OF IRC+10420 OUDMAIJER, R. D., VAN DER VEEN, W. E. C. J., WATERS, L. B. F. M., TRAMS, N. R., WAELKENS, C., ENGELSMAN, E. <ASTR. AP. SUPPL., 96, 625> 921211 SAO STARS WITH INFRARED EXCESS IN THE IRAS POINT SOURCE CATALOG OUDMAIJER, R. D., WATERS, L. B. F. M., VAN DER VEEN, W. E. C. J., GEBALLE, T. R. <ASTR. AP., 299, 69> 950720 NEAR-INFRARED SPECTROSCOPY OF POST-AGB STARS OWEN, F. N., KEEL, W. C. <A. J., 109, 486> 950201 FAINT B3 RADIO GALAXIES: LUMINOSITY VERSUS EVOLUTION EFFECTS OWENS, D. K., MUEHLNER, D. J., WEISS, R. <AP. J., 231, 702> 790809 A LARGE-BEAM SKY SURVEY AT MILLIMETER AND SUBMILLIMETER WAVELENGTHS MADE FROM BALLOON ALTITUDES |