THE ASTRONOMICAL JOURNAL

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Published for the

AmericAn AstronomicAl societyby

IOP Publishing

THE ASTRONOMICAL

JOURNAL

Founded by b.A. Gould

1849

ISSN: 0004-6256

VOLUME 135, NUMBER 1 2008 JANUARYCONTENTS

(See front pages for subject-ordered contents)

WHITE DWARF LUMINOSITY AND MASS FUNCTIONS FROM SLOAN DIGITAL SKY SURVEY SPECTRASteven DeGennaro, Ted von Hippel, D. E. Winget, S. O. Kepler, Atsuko Nitta, Detlev Koester, and Leandro Althaus

1

SOURCE MATCHING IN THE SDSS AND RASS: WHICH GALAXIES ARE REALLY X-RAY SOURCES?John K. Parejko, Anca Constantin, Michael S. Vogeley, and Fiona Hoyle

10

THE OUTER DISKS OF EARLY-TYPE GALAXIES. I. SURFACE-BRIGHTNESS PROFILES OF BARREDGALAXIESPeter Erwin, Michael Pohlen, and John E. Beckman

20

NEAR-INFRARED SPECTRA OF CENTAURS AND KUIPER BELT OBJECTSK. M. Barkume, M. E. Brown, and E. L. Schaller

55

THE ROTATION PERIOD OF THE PLANET-HOSTING STAR HD 189733Gregory W. Henry and Joshua N. Winn

68

AN ORBITAL ELEMENT FORMULATION WITHOUT SOLVING KEPLER’S EQUATIONToshio Fukushima

72

THE DISTANCE OF THE FIRST OVERTONE RR LYRAE VARIABLES IN THE MACHO LARGE MAGELLANICCLOUD DATABASE: A NEW METHOD TO CORRECT FOR THE EFFECTS OF CROWDINGC. M. Clement, X. Xu, and A. V. Muzzin

83

MMT EXTREMELY METAL-POOR GALAXY SURVEY. I. AN EFFICIENT TECHNIQUE FOR IDENTIFYINGMETAL-POOR GALAXIESWarren R. Brown, Lisa J. Kewley, and Margaret J. Geller

92

NGC 2655: FROM INNER POLAR RING TO OUTER SHELLS AND TAILSLinda S. Sparke, Gustaaf van Moorsel, Peter Erwin, and Elizabeth M. H. Wehner

99

A PROBLEM WITH THE CLUSTERING OF RECENT MEASURES OF THE DISTANCE TO THE LARGEMAGELLANIC CLOUDBradley E. Schaefer

112

STAR CLUSTERS IN THE NEARBY LATE-TYPE GALAXY NGC 1311Paul B. Eskridge, Richard de Grijs, Peter Anders, Rogier A. Windhorst, Violet A. Mager, and Rolf A. Jansen

120

SEYFERT’S SEXTET: A SLOWLY DISSOLVING STEPHAN’S QUINTET?A. Durbala, A. del Olmo, M. S. Yun, M. Rosado, J. W. Sulentic, H. Plana, A. Iovino, J. Perea, L. Verdes-Montenegro, andI. Fuentes-Carrera

130

SURFACE BRIGHTNESS PROFILES OF COMPOSITE IMAGES OF COMPACT GALAXIES AT z � 4–6 IN THEHUBBLE ULTRA DEEP FIELDN. P. Hathi, R. A. Jansen, R. A. Windhorst, S. H. Cohen, W. C. Keel, M. R. Corbin, and R. E. Ryan Jr.

156

THE DISTANCES OF SNR W41 AND OVERLAPPING H ii REGIONSD. A. Leahy and W. W. Tian

167

THE STELLAR MASS DISTRIBUTION IN THE GIANT STAR FORMING REGION NGC 346E. Sabbi, M. Sirianni, A. Nota, M. Tosi, J. Gallagher, L. J. Smith, L. Angeretti, M. Meixner, M. S. Oey, R. Walterbos, andA. Pasquali

173

VERY LARGE ARRAY LIMITS FOR INTERMEDIATE-MASS BLACK HOLES IN THREE GLOBULARCLUSTERSF. N. Bash, K. Gebhardt, W. M. Goss, and P. A. Vanden Bout

182

ON THE STABILITY OF TRIANGULAR LAGRANGIAN POINTS IN THE RESTRICTED THREE-BODYPROBLEMStepan P. Sosnitskii

187

(Contents continued on page vi)

2008 Janu

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ol. 135, No. 1, P

ages 1–440

VOLUME 135 NUMBER 12008 January ~ No. 1825

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