Copyright ©1996-2006 GAT Gruppo Astronomico Tradatese
Reference No. 1 of 99: 1995A+A...298..420S Astr. Ap. 1995 vol. 298 p. 420-426 SULENTIC, J. W., PIETSCH, W., AND ARP, H. DIFFUSE X-RAY EMISSION FROM STEPHANS QUINTET Reference No. 2 of 99: 1995A+A...296L...5A Astr. Ap. 1995 vol. 296 p. L5-L8 ARP, H. ALINGMENT OF RADIO AND X-RAY SOURCES ACROSS PG 1211+143 Reference No. 3 of 99: 1995A+A...294L..45A Astr. Ap. 1995 vol. 294 p. L45-L48 ARP, H. ULTRAVIOLET EXTENSIONS MEASURED WITH ROSAT HRI AROUND ACTIVE GALAXIES Reference No. 4 of 99: 1994ApJ...430...74A Ap. J. 1994 vol. 430 p. 74-82 ARP, H. COMPANION GALAXIES: A TEST OF THE ASSUMPTION THAT VELOCITIES CAN BE INFERRED FROM REDSHIFTS Reference No. 5 of 99: 1994A+A...288..738A Astr. Ap. 1994 vol. 288 p. 738-745 ARP, H. ROSAT X-RAY SURVEY OF AN AREA 10 DEGREES SQUARE AROUND THE ACTIVE RADIO GALAXY CENTAURUS A Reference No. 6 of 99: 1994A+A...282..386B Astr. Ap. 1994 vol. 282 p. 386-400 BI, H. G., ARP, H., AND ZIMMERMANN, H. U. X-RAY OBSERVATIONS OF NGC 3077 Reference No. 7 of 99: 1993ApJ...405...51N Ap. J. 1993 vol. 405 p. 51-56 NARLIKAR, J., AND ARP, H. FLAT SPACETIME COSMOLOGY: A UNIFIED FRAMEWORK FOR EXTRAGALACTIC REDSHIFTS Reference No. 8 of 99: 1992MNRAS.258..800A M. N. R. A. S. 1992 vol. 258 p. 800-810 ARP, H. REDSHIFTS OF HIGH-LUMINOSITY STARS - THE K EFFECT, THE TRUMPLER EFFECT AND MASS-LOSS CORRELATIONS Reference No. 9 of 99: 1991S+T....81..373A Sky Telesc. 1991 vol. 81 p. 373 ARP H.C. AND BLOCK D.L. THE MYTH OF OVERGROWN SPIRALS Reference No. 10 of 99: 1991ApJ...375..569A Ap. J. 1991 vol. 375 p. 569-582 ARP, H., AND SULENTIC, J. W. THE PROPERTIES OF NGC 2777: ARE COMPANION GALAXIES YOUNG? Reference No. 11 of 99: 1991Ap+SS.185..249A Astrophys. Space Sci. 1991 vol. 185 p. 249 ARP H. AND SULENTIC J.W. THE PROBABLE EXTRAGALACTIC NATURE OF SOME LOW SURFACE BRIGHTNESS CLOUDS AT HIGH GALACTIC LATITUDE Reference No. 12 of 99: 1990PASP..102..436A Pub. A. S. P. 1990 vol. 102 p. 436-439 ARP, H. COMMENT ON THE DISCORDANT REDSHIFT PAIR VV 76 (NGC 4496A,B) Reference No. 13 of 99: 1990JApA...11..411A J. Astrophys. Astron. 1990 vol. 11 p. 411 ARP H. GALAXY ALIGNMENTS Reference No. 14 of 99: 1990ApJ...353L...1A Ap. J. (Letters) 1990 vol. 353 p. L1-L2 ARP, H. C., AND BURBIDGE, G. THE PECULIAR HYDROGEN CLOUD IN THE VIRGO CLUSTER AND 3C 273 Reference No. 15 of 99: 1990Ap+SS.167..183A Astrophys. Space Sci. 1990 vol. 167 p. 183-219 ARP H. THE HUBBLE RELATION : DIFFERENCES BETWEEN GALAXY TYPES SB AND SC Reference No. 16 of 99: 1990A+A...239...33A Astr. Ap. 1990 vol. 239 p. 33-49 ARP, H., BI, H. G., CHU, Y., AND ZHU, X. PERIODICITY IN QUASAR REDSHIFTS Reference No. 17 of 99: 1990A+A...229...93A Astr. Ap. 1990 vol. 229 p. 93-98 ARP, H. QUASAR NUMBERS AS A FUNCTION OF APPARENT MAGNITUDE: GRAVITATIONAL LENSING OR QUASARS ASSOCIATED WITH NEARBY GALAXIES? Reference No. 18 of 99: 1988A+A...202...70A Astr. Ap. 1988 vol. 202 p. 70-76 ARP, H. WHAT IS THE MEAN REDSHIFT OF THE VIRGO CLUSTER? Reference No. 19 of 99: 1987MNRAS.226p...5A M. N. R. A. S. 1987 vol. 226 p. 5p-8p ARP, H. CONCENTRATION OF BRIGHT QUASARS IN THE SCULPTOR GROUP Reference No. 20 of 99: 1987MNRAS.226P...5A M. N. R. A. S. 1987 vol. 226 p. 5P-8P ARP H. CONCENTRATION OF BRIGHT QUASARS IN THE SCULPTOR GROUP Reference No. 21 of 99: 1987JApA....8..241A J. Astr. Ap. 1987 vol. 8 p. 241-255 ARP H. ADDITIONAL MEMBERS OF THE LOCAL GROUP OF GALAXIES AND QUANTIZED REDSHIFTS WITHIN THE TWO NEAREST GROUPS Reference No. 22 of 99: 1987JApA....8..231A J. Astr. Ap. 1987 vol. 8 p. 231-239 ARP H. 3C 120 AND THE SURROUNDING REGION OF SKY Reference No. 23 of 99: 1987IAUS..124..479A IAU Symposium 1987 vol. 124 p. 479 ARP H. OBSERVATIONS REQUIRING A NON-STANDARD APPROACH Reference No. 24 of 99: 1987ApJ...319..693S Ap. J. 1987 vol. 319 p. 693-708 SULENTIC J.W., ARP H.C. THE GALAXY-QUASAR CONNECTION : NGC 4319 AND MARKARIAN 205.II SPECTROSCOPY Reference No. 25 of 99: 1987ApJ...319..687S Ap. J. 1987 vol. 319 p. 687-692 SULENTIC J.W., ARP H.C. THE GALAXY-QUASAR CONNECTION : NGC 4319 AND MARKARIAN 205. I. DIRECT IMAGERY Reference No. 26 of 99: 1987AMCAT.C...0000A 1987 vol. p. ARP, H. C. AND MADORE, B. F. A CATALOGUE OF SOUTHERN PECULIAR GALAXIES AND ASSOCIATIONS, 1987, CAMBRIDGE: CAMBRIDGE UNIVERSITY PRESS Reference No. 27 of 99: 1986JApA....7...77A J. Astr. Ap. 1986 vol. 7 p. 77-82 ARP H. QUASARS IN THE CENTRAL REGION OF THE VIRGO CLUSTER Reference No. 28 of 99: 1986JApA....7...71A J. Astr. Ap. 1986 vol. 7 p. 71-75 ARP H. RELATION OF THE JET IN M 87 TO NEARBY GALAXIES IN THE VIRGO CLUSTER Reference No. 29 of 99: 1986A+A...161..209S Astr. Ap. 1986 vol. 161 p. 209-216 SURDEJ J., ARP H., GOSSET E., KRUSZEWSKI A., ROBERTSON J.G., SHAVER P.A., SWINGS J.P. FURTHER INVESTIGATION OF THE PAIR OF QUASARS Q 0107-025A AND B Reference No. 30 of 99: 1986A+A...156..207A Astr. Ap. 1986 vol. 156 p. 207-212 ARP H. A CORRECTED VELOCITY FOR THE LOCAL STANDARD OF REST BY FITTING TO THE MEAN REDSHIFT OF LOCAL GROUP GALAXIES Reference No. 31 of 99: 1985RMxAA..10...91S Rev. Mexicana Astron. Astrof. 1985 vol. 10 p. 91-93 SWINGS J.P., SURDEJ J., HENRY A., GOSSET E., ARP H.C. QUASAR CANDIDATES IN A LARGE FIELD CENTERED AROUND NGC 450 AND THE DISCOVERY OF A NEW VERY INTERESTING PAIR OF QUASARS Reference No. 32 of 99: 1985PASP...97.1149A Publ. A. S. P. 1985 vol. 97 p. 1149-1157 ARP H., DUHALDE O. QUASARS NEAR NGC 520 Reference No. 33 of 99: 1985ApJ...298..619S Ap. J. 1985 vol. 298 p. 619-629 STOCKE J.T., LIEBERT J., SCHMIDT G., GIOIA I.M., MACCACARO T., SCHILD R.E., MACCAGNI D,., ARP H.C. OPTICAL AND RADIO PROPERTIES OF X-RAY SELECTED BL LACERTAE OBJECTS Reference No. 34 of 99: 1985ApJ...291...88A Ap. J. 1985 vol. 291 p. 88 -111 ARP H., SULENTIC J.W. ANALYSIS OF GROUPS OF GALAXIES WITH ACCURATE REDSHIFTS Reference No. 35 of 99: 1985AJ.....90.1163A A. J. 1985 vol. 90 p. 1163-1171 ARP H., SANDAGE A. SPECTRA OF THE TWO BRIGHTEST OBJECTS IN THE AMORPHOUS GALAXY NGC 1569 : SUPERLUMINOUS YOUNG STAR CLUSTERS - OR STARS IN A NEARBY PECULIAR GALAXY ? Reference No. 36 of 99: 1985AJ.....90.1012A A. J. 1985 vol. 90 p. 1012-1018 ARP H. HI CLOUDS IN THE SCULPTOR AND LOCAL GROUPS Reference No. 37 of 99: 1985AJ.....90..522S A. J. 1985 vol. 90 p. 522-532 SULENTIC J.W., ARP H., LORRE J. OPTIMAL ENHANCEMENT OF FEATURES IN DIGITAL SPECTRA Reference No. 38 of 99: 1984PASP...96..148A Publ. A. S. P. 1984 vol. 96 p. 148-160 ARP H. THE NEAREST QUASARS Reference No. 39 of 99: 1984JApA....5...31A J. Astr. Ap. 1984 vol. 5 p. 31-41 ARP H. DISTRIBUTION OF QUASARS ON THE SKY Reference No. 40 of 99: 1984ApJ...285..555A Ap. J. 1984 vol. 285 p. 555-566 ARP H. PROPERTIES OF THE SCULPTOR REGION. II Reference No. 41 of 99: 1984ApJ...285..547A Ap. J. 1984 vol. 285 p. 547-554 ARP H. NINETEEN NEWLY DISCOVERED QUASARS IN THE DECLINATION -35 ZONE I Reference No. 42 of 99: 1984ApJ...285...44A Ap. J. 1984 vol. 285 p. 44-54 ARP H., WOLSTENCROFT R.D., HE X.T. COMPLETE QUASAR SEARCH IN THE NGC 1097 FIELD Reference No. 43 of 99: 1984ApJ...283...59A Ap. J. 1984 vol. 283 p. 59-63 ARP H. TWO NEWLY DISCOVERED QUASARS CLOSELY SPACED ACROSS A GALAXY Reference No. 44 of 99: 1984ApJ...277L..27A Ap. J. 1984 vol. 277 p. L27-L29 ARP H. A LARGE QUASAR INHOMOGENEITY ON THE SKY Reference No. 45 of 99: 1984A+A...139..240A Astr. Ap. 1984 vol. 139 p. 240-242 ARP H., GAVAZZI G. A THIRD QUASAR CLOSE TO NGC 3842 Reference No. 46 of 99: 1983S+T....65..307A Sky and Telescope 1983 vol. 65 p. 307-311 ARP H.C. RELATED GALAXIES WITH DIFFERENT REDSHIFTS ? Reference No. 47 of 99: 1983Nat...302..397A Nature 1983 vol. 302 p. 397-399 ARP H. A CONCENTRATION OF QUASARS IN THE SCULPTOR REGION OF THE SKY Reference No. 48 of 99: 1983MNRAS.205...67W M. N. R. A. S. 1983 vol. 205 p. 67-80 WOLSTENCROFT R.D., KU W.H-M., ARP H.C., SCARROTT S.M. SIX QUASARS NEAR THE JETS OF NGC 1097 Reference No. 49 of 99: 1983ApJ...273..167W Ap. J. 1983 vol. 273 p. 167-176 WAKAMATSU K.-I., ARP H.C. MCG 5-29-86 : A GALAXY WITH A PROLATE CENTRAL BULGE ? Reference No. 50 of 99: 1983ApJ...271..479A Ap. J. 1983 vol. 271 p. 479-506 ARP H. FURTHER OBSERVATIONS AND ANALYSIS OF QUASARS NEAR COMPANION GALAXIES Reference No. 51 of 99: 1983ApJ...265..610M Ap. J. 1983 vol. 265 p. 610-619 MURDOCH H.S., HUNSTEAD R.W., ARP H.C., CONDON J.J., BLADES J.C., BURBIDGE E.M. 1107+036 : AN UNUSUAL QSO-GALAXY PAIR Reference No. 52 of 99: 1983AJ.....88..489S A. J. 1983 vol. 88 p. 489-506 SULENTIC J.W., ARP H. 21-CM OBSERVATIONS OF GALAXIES IN GROUPS AND MULTIPLETS Reference No. 53 of 99: 1983AJ.....88..267S A. J. 1983 vol. 88 p. 267-271 SULENTIC J.W., ARP H. OBSERVATIONS OF LOW REDSHIFT HI IN STEPHAN'S QUINTET Reference No. 54 of 99: 1983A+A...121...26A Astr. Ap. 1983 vol. 121 p. 26-28 ARP H., GIRAUD E., SULENTIC J.W., VIGIER J.P. PAIRS OF SPIRAL GALAXIES WITH MAGNITUDE DIFFERENCES GREATER THAN ONE Reference No. 55 of 99: 1982MNRAS.199..633F M. N. R. A. S. 1982 vol. 199 p. 633-647 FEW, J. M. A., MADORE, B. F., AND ARP, H. C. RING GALAXIES - I. KINEMATICS OF THE SOUTHERN RING GALAXY AM 064-741 Reference No. 56 of 99: 1982A+A...109..101A Astr. Ap. 1982 vol. 109 p. 101-106 ARP H., SURDEJ J. QUASARS IN A CONTROL FIELD FAR FROM BRIGHT GALAXIES Reference No. 57 of 99: 1981ApJS...46...75A Ap. J. Suppl. 1981 vol. 46 p. 75-112 ARP, H. SPECTROSCOPIC MEASURES OF GALAXIES, THEIR COMPANIONS, AND PECULIAR GALAXIES IN THE SOUTHERN HEMISPHERE Reference No. 58 of 99: 1981ApJ...250...31A Ap. J. 1981 vol. 250 p. 31-42 ARP H. QUASARS NEAR COMPANION GALAXIES Reference No. 59 of 99: 1980ApJ...240..726A Ap. J. 1980 vol. 240 p. 726-736 ARP H., HAZARD C. PECULIAR CONFIGURATIONS OF QUASARS IN TWO ADJACENT AREAS OF THE SKY Reference No. 60 of 99: 1980ApJ...240..415A Ap. J. 1980 vol. 240 p. 415-420 ARP H. HIGH-REDSHIFT OBJECTS NEAR THE COMPANION GALAXIES TO NGC 2859 Reference No. 61 of 99: 1980ApJ...239..469A Ap. J. 1980 vol. 239 p. 469-474 ARP H. THREE NEW CASES OF GALAXIES WITH LARGE DISCREPANT REDSHIFTS Reference No. 62 of 99: 1980ApJ...239..463A Ap. J. 1980 vol. 239 p. 463-468 ARP H. ANALYSIS OF QUASARS FOUND IN THE CTIO CURTIS SCHMIDT SURVEY IN THE -40 ZONE Reference No. 63 of 99: 1980ApJ...236...63A Ap. J. 1980 vol. 236 p. 63-69 ARP H. ULTRAVIOLET EXCESS OBJECTS IN THE REGION OF A COMPANION GALAXY TO NGC 2639 Reference No. 64 of 99: 1979Nat...282..271H Nature 1979 vol. 282 p. 271-272 HAZARD, C., ARP, H. C., MORTON, D. C. A COMPACT GROUP OF FOUR QSOS WITH TWO APPEARING PHYSICALLY ASSOCIATED Reference No. 65 of 99: 1979ApJ...233...44S Ap. J. 1979 vol. 233 p. 44 SULENTIC, J. W., ARP, H., LORRE, J. SOME PROPERTIES OF THE KNOTS IN THE M87 JET Reference No. 66 of 99: 1979ApJ...230...68A Ap. J. 1979 vol. 230 p. 68-78 ARP H., SARGENT W.L.W., WILLIS A.G., OOSTERBAAN C.E. AN ERUPTIVE BL LACERTAE OBJECT WITH A HIGH REDSHIFT, 0846+51W1 Reference No. 67 of 99: 1979ApJ...229..496A Ap. J. 1979 vol. 229 p. 496-502 ARP H., SULENTIC J.W. THREE QUASARS NEAR THE SPIRAL ARMS OF NGC 1073 Reference No. 68 of 99: 1979ApJ...229..489A Ap. J. 1979 vol. 229 p. 489-495 ARP H., SULENTIC J.W., DI TULLIO G. QUASARS ALIGNED ACROSS NGC 3384 Reference No. 69 of 99: 1979A+A....77...86A Astr. Ap. 1979 vol. 77 p. 86-92 ARP H.C., DE RUITER H.R., WILLIS A.G. A WESTERBORK 1415 MHZ SURVEY OF RADIO SOURCES Reference No. 70 of 99: 1977A+A....57...97B Astr. Ap. 1977 vol. 57 p. 97 ARP, H. A 21-CM STUDY OF THE SEYFERT GALAXY NGC 4151 Reference No. 71 of 99: 1976ApJ...210L..59A Ap. J. (Letters) 1976 vol. 210 p. L59 ARP, H. A QUASAR NEAR A COMPANION GALAXY, NGC 5296 Reference No. 72 of 99: 1976ApJ...207L..13A Ap. J. 1976 vol. 207 p. L13-L16 ARP H., SULENTIC J.W., WILLIS A.G., DE RUITER H.R. A BL LAC OBJECT NEAR THE SPIRAL GALAXY NGC 6503 Reference No. 73 of 99: 1976ApJ...207...44K Ap. J. 1976 vol. 207 p. 44-52 KIRSHNER R.P., ARP H.C., DUNLAP J.R. OBSERVATIONS OF SUPERNOVAE 1975 A IN NGC 2207 AND 1975 B IN THE PERSEUS CLUSTER Reference No. 74 of 99: 1975IAUC.2750....1A IAU Circulars 1975 vol. 2750 p. 1 ARP H.C., WILLIS A.G., DE RUITER H. 0846+51W1 Reference No. 75 of 99: 1975ApJ...199..565A Ap. J. 1975 vol. 199 p. 565-585 ARP H., PRATT N.M., SULENTIC J.W. ISOPHOTAL TRACINGS OF GALAXIES NEAR QUASARS Reference No. 76 of 99: 1975ApJ...198L...3A Ap. J. 1975 vol. 198 p. L3-L5 ARP H., BALDWIN J.A., WAMPLER E.J. TWO NEW QUASARS NEAR GALAXIES Reference No. 77 of 99: 1975ApJ...197..291A Ap. J. 1975 vol. 197 p. 291 ARP, H., AND O'CONNELL, R. W. PROPERTIES OF TWO BLUE COMPACT GALAXIES Reference No. 78 of 99: 1974Afz....10..625A Astrofizica 1974 vol. 10 p. 625 ARP, H., KHACHIKIAN, E. E., AND ANDREASYAN, N. K. MARKARYAN 459: MEMBER OF A TRIPLE SYSTEM OF GALAXIES Reference No. 79 of 99: 1974Afz....10..298A Astrofizica 1974 vol. 10 p. 298 ARP, H., SARGENT, W. L. W., KHACHIKIAN, E. E., AND ANDREASYAN, N. K. SPECTRUM OF THE BLUE OBJECT NEAR THE IRREGULAR GALAXY NGC 520 Reference No. 80 of 99: 1974Afz....10..173A Astrofizica 1974 vol. 10 p. 173 ARP, H., AND KHACHIKIAN, E. E. MARKARYAN 94 AND ITS CONNECTION WITH III ZW 0834 + 51 Reference No. 81 of 99: 1974Afz....10....7A Astrofizica 1974 vol. 10 p. 7 ARP, H., HEIDMANN, J., AND KHACHIKIAN, E. E. REMARKABLE PAIR OF DOUBLE GALAXIES Reference No. 82 of 99: 1973PASP...85..162A Publ. A. S. P. 1973 vol. 85 p. 162-173 AGNEW D., ARP H. A LIST OF QUASI-STELLAR RADIO SOURCES AND QUASI-STELLAR RADIO-SOURCE CANDIDATES FROM THE 3C AND 4C CATALOGS BETWEEN DECLINATION -7 AND +40 Reference No. 83 of 99: 1973ApJ...185..797A Ap. J. 1973 vol. 185 p. 797 ARP, H. NEIGHBORHOODS OF SPIRAL GALAXIES. I. MULTIPLE INTERACTING GALAXIES Reference No. 84 of 99: 1973Afz.....9..509A Astrofizica 1973 vol. 9 p. 509 ARP, H., KHACHIKIAN, E. E. MARKARYAN 474 (NGC 5683) - A SEYFERT GALAXY OF TYPE ONE (SY 1) Reference No. 85 of 99: 1972ApJ...171L..41A Ap. J. (Letters) 1972 vol. 171 p. L41-L43 ARP, H. C., BURBIDGE, E. M., MACKAY, C. D., AND STRITTMATTER, P. A. THE OPTICAL OBJECT IDENTIFIED WITH 3C 455 Reference No. 86 of 99: 1971ApL.....9....1A Ap. Letters 1971 vol. 9 p. 1 ARP, H. A CONNECTION BETWEEN THE SPIRAL GALAXY NGC 4319 AND THE QUASI-STELLAR OBJECT MARKARIAN 205 Reference No. 87 of 99: 1971ApL.....7..221A Ap. Letters 1971 vol. 7 p. 221 ARP, H. NGC 7603, A GALAXY CONNECTED TO A COMPANION OF MUCH LARGER REDSHIFT Reference No. 88 of 99: 1970ApL.....6...65A Ap. Letters 1970 vol. 6 p. 65-69 ARP, H., AND BERTOLA, F. COMPACT COMPONENTS OF THE NUCLEUS OF NGC 1808 Reference No. 89 of 99: 1970ApL.....5..257A Ap. Letters 1970 vol. 5 p. 257-260 ARP, H. COMPANION GALAXIES CONNECTED TO NGC 772 Reference No. 90 of 99: 1970ApL.....5...73A Ap. Letters 1970 vol. 5 p. 73-74 ARP, H., AND VISVANATHAN, N. SPECTRUM AND REDSHIFT OF THE OPTICALLY VARIABLE, COMPACT RADIO GALAXY 3C371 Reference No. 91 of 99: 1970ApJ...162..811A Ap. J. 1970 vol. 162 p. 811-813 ARP H. THE QUESTION OF QUASI-STELLAR OBJECTS IN CLUSTERS OF GALAXIES AND THE DEFINITIONS OF QUASI-STELLAR OBJECTS AND COMPACT GALAXIES Reference No. 92 of 99: 1969A+A.....3..418A Astr. Ap. 1969 vol. 3 p. 418 ARP, H. COMPANION GALAXIES ON THE ENDS OF SPIRAL ARMS Reference No. 93 of 99: 1968PASP...80..129A Publ. A. S. P. 1968 vol. 80 p. 129-154 ARP H. LINES OF GALAXIES FROM RADIO SOURCES Reference No. 94 of 99: 1968ApJ...152.1101A Ap. J. 1968 vol. 152 p. 1101-1106 ARP H. A COMPACT GALAXY (III ZW 2) AND A COMPACT RADIO GALAXY (3C 120) WITH SEYFERT-TYPE SPECTRA Reference No. 95 of 99: 1967ApJ...148..321A Ap. J. 1967 vol. 148 p. 321 ARP, H. PECULIAR GALAXIES AND RADIO SOURCES Reference No. 96 of 99: 1967ApJ...147..840A Ap. J. 1967 vol. 147 p. 840-845 ARP H.C., BOLTON J.G., KINMAN T.D. A QUASI-STELLAR OBJECT WITH A REDSHIFT OF 2.22 AND A UNUSUAL ABSORPTION SPECTRUM Reference No. 97 of 99: 1966ApJS...14....1A Ap. J. Suppl. 1966 vol. 14 p. 1 -20 ARP H. ATLAS OF PECULIAR GALAXIES Reference No. 98 of 99: 1965ApJ...142..402A Ap. J. 1965 vol. 142 p. 402 ARP, H. A VERY SMALL, CONDENSED GALAXY Reference No. 99 of 99: 1956AJ.....61...15A A. J. 1956 vol. 61 p. 15-34 ARP H.C. NOVAE IN THE ANDROMEDA NEBULA THIS RESEARCH HAS MADE USE OF THE NASA/IPAC EXTRAGALACTIC DATABASE (NED) WHICH IS OPERATED BY THE JET PROPULSION LABORATORY, CALTECH, UNDER CONTRACT WITH THE NATIONAL AERONAUTICS AND SPACE ADMINISTRATION