INTERNATIONAL ASTRONOMICAL UNION COMMISSION 26

(DOUBLE STARS)

INFORMATION CIRCULAR No. 167 (FEBRUARY 2009)

NEW ORBITS

ADS Name P T e Ω(2000) 2009 Author(s)α2000δ n a i ω Last ob. 2010

MCA 16 Aa Ab 57y90 2037.96 0.357 41 309 0′′342 CVETKOVIC04422+2257 62180 0′′284 1307 1422 2005.869 28.3 0.348

5322 CHR 168 AaAb 74.28 1996.06 0.716 52.6 255.0 0.100 CVETKOVIC06410+0954 4.8468 0.096 51.2 69.2 2006.191 256.8 0.103

FIN 113 AB 269.99 1977.65 0.631 104.6 80.7 0.150 CVETKOVIC08144-4550 1.3334 0.440 80.1 173.0 2006.199 82.2 0.160

FIN 116 115.90 1994.18 0.519 61.1 237.2 0.215 CVETKOVIC08275-5501 3.1062 0.250 123.7 79.7 2006.199 235.3 0.221

FIN 315 Aa Ab 196.49 2133.28 0.105 126.7 190.6 0.086 CVETKOVIC08291-4756 1.8322 0.150 60.5 296.0 2006.194 193.3 0.085

7871 STT 224 214.33 2031.69 0.150 162.5 140.8 0.454 SCARDIA10397+0851 1.6797 0.550 132.2 81.1 2007.288 139.1 0.448 et al. (*)

8128 STF 1527 341.52 2010.19 0.889 178.2 170.7 0.283 SCARDIA11190+1416 1.0541 2.300 62.2 26.9 2007.288 187.5 0.245 et al. (*)

FIN 372 39.61 1993.44 0.314 29.3 9.1 0.113 CVETKOVIC14567-6247 9.0881 0.091 150.6 224.6 2006.192 4.3 0.114

9547 HO 60 183.0 1973.28 0.543 34.0 68.4 0.163 DOCOBO15136+3453 1.9672 0.281 109.3 164.2 2005.5179 66.9 0.170 & LING

CHR 51 46.37 1992.93 0.957 103.4 248.0 0.290 DOCOBO &15513-0305 7.7636 0.389 104.4 75.1 2007.509 246.9 0.289 TAMAZIAN

CHR 55 76.32 1989.98 0.691 177.5 116.6 0.064 DOCOBO &16254+3727 4.7170 0.357 96.6 292.5 2007.484 103.6 0.060 TAMAZIAN

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NEW ORBITS (continuation)

ADS Name P T e Ω(2000) 2009 Author(s)α2000δ n a i ω Last ob. 2010

RST 3950 26.55 2000.92 0.858 137.8 72.6 0.255 DOCOBO16283-1613 13.5593 0.176 148.3 259.8 2005.5205 69.9 0.265 & LING

CHR 90 70.62 2005.29 0.244 15.1 22.0 0.215 CVETKOVIC19531-1436 5.0975 0.281 121.9 315.7 2006.194 17.6 0.222

16518 BU 180 AB 537. 2201.93 0.198 161.8 135.2 0.535 LING23072+6050 0.6704 0.517 133.4 180.4 2006.869 134.8 0.533

(*) SCARDIA, PRIEUR, PANSECCHI & ARGYLE

PAPERS PUBLISHED IN 2008

1. ABT, H. A.: The Difference Between Metal-Poor and Metal-Rich Binaries. Astron.J. 135, 722 (2008).

2. ABT, H. A.: Visual Multiples. IX. MK Spectral Types. Astrophys. J. Sup. Ser.176 (1), 216 (2008).

3. ABT, H. A.: Evidence That the Mean Radial Velocities of Many B0-B3 Stars AreSystematically Incorrect. Pub. Astron. Soc. of the Pacific 120 (869), 715 (2008).

4. AUGUSTEIJN, T. et al.: White dwarf-red dwarf binaries in the Sloan Digital SkySurvey - I. Sample definition. Astron. Astrophys. 486 (3), 843 (2008).

5. BAINES, E. K. et al.: The Search for Stellar Companions to Exoplanet Host StarsUsing the CHARA Array. Astrophys. J. 682 (1), 577 (2008).

6. BALEGA, Y. Y. et al.: Atmospheric chemical abundances and the evolutionary sta-tus of the spectroscopic and speckle-interferometric binary 9 Cyg . Astron. Reports52 (3), 226 (2008).

7. BENDER, C. F. & SIMON, M.: The Detection of Low-Mass Companions in HyadesCluster Spectroscopic Binary Stars. Astrophys. J. 689 (1), 416 (2008).

8. BLAKE, C. H. et al.: A Spectroscopic Binary at the M/L Transition Astrop. J.Lett. 678, L125 (2008).

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9. BOUY, H. et al.: Follow-up observations of binary ultra-cool dwarfs . Astron. As-trophys. 481 (3), 757 (2008).

10. CARQUILLAT, J.-M. & PRIEUR, J.-L. : Contribution to the study of F-G-K-Mbinaries: XII. Orbital elements of seven new spectroscopic binaries. Astron. Nach.329 (1), 44 (2008).

11. CONNELLEY, M. S., REIPURTH, B., & TOKUNAGA, A. T. : The Evolution ofthe Multiplicity of Embedded Protostars. I. Sample Properties and Binary Detec-tions. Astron. J. 135, 2496 (2008).

12. CONNELLEY, M. S., REIPURTH, B., & TOKUNAGA, A. T. : The Evolutionof the Multiplicity of Embedded Protostars. II. Binary Separation Distribution andAnalysis. Astron. J. 135, 2526 (2008).

13. COSTERO, R. et al.: The Escaping Spectroscopic Binary θ1 Ori E. Rev. Mex. A.A. Conf. Ser. 34 102 (2008).

14. CVETKOVIC, Z.: First Orbits for Five Binaries. Astron. J. 136, 1746 (2008).

15. CVETKOVIC, Z. & NINKOVIC, S.: Orbits for two short-period and two long-periodbinaries. New Astron. 13 (8), 587 (2008).

16. CVETKOVIC, Z., NOVAKOVIC, B. & TODOROVIC, N.: Orbits of 11 visual bi-nary stars. New Astron. 13 (3), 125 (2008).

17. DAHN, C. C. et al.: Trigonometric Parallaxes for Two Late-Type Subdwarfs: LSR1425+71 (sdM8.0) and the Binary LSR 1610-00 (sd?M6pec). Astrophys. J. 686(1), 548 (2008).

18. DAS, M. K. et al.: Effect of radiation on the stability of equilibrium points in thebinary stellar systems: RW-Monocerotis, Kruger 60 Astrophys. J. Sup. Ser. 314,261 (2008).

19. DAY-JONES, A. C. et al.: Discovery of a widely separated ultracool dwarfwhitedwarf binary. Monthly Notices 388 (2), 838 (2008).

20. DOCOBO, J. A. et al.: A methodology for studying physical and dynamical prop-erties of multiple stars. Application to the system of red dwarfs Gl 22. Astron.Astrophys. 478 (1), 187 (2008).

21. DOCOBO, J. A. et al.: First Results of the Optical Speckle Interferometry with the3.5 m Telescope at Calar Alto (Spain): Measurements and Orbits of Visual Binaries.Astron. J.135, 1803 (2008).

22. DOCOBO, J. A. et al.: Refining the Parallax in Visual Double Stars Using Orbitaland Spectral Data: Application to the System of the K0 Giants, A 1808. Astron. J.136, 890 (2008).

23. EATON, J. A., HENRY, G. W. & ODELL, A. P.: Orbits and Pulsations of theClassical ζ Aurigae Binaries. Astrophys. J. 679 (2), 1490 (2008).

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24. EGGENBERGER, P. et al.: Analysis of 70 Ophiuchi AB including seismic con-straints. Astron. Astrophys. 482 (2), 631 (2008).

25. EGGLETON, P. P. & TOKOVININ, A. A.: A catalogue of multiplicity among brightstellar systems . Monthly Notices 389 (2), 869 (2008).

26. ELDRIDGE, J. J., IZZARD, R. G. & TOUT, C. S.: The effect of massive binarieson stellar populations and supernova progenitors. Monthly Notices 384 (3), 1109(2008).

27. EVANS, N. R. et al.: Direct Detection of the Close Companion of Polaris with theHubble Space Telescope. Astron. J. 136, 1137 (2008).

28. FEKEL, F. C. et al.: Infrared Spectroscopy of Symbiotic Stars. VI. Combined Orbitsfor Two S-Type Systems: V455 Scorpii and SS 73-90. Astron. J. 136, 146 (2008).

29. GIES, D. R. et al.: A Spectroscopic Orbit for Regulus. Astrophys. J. Lett. 682 (2),L117 (2008).

30. GOLDMAN, B. et al.: Binarity at the L/T brown dwarf transition - Adaptive opticssearch for companions. Astron. Astrophys. 490, (2), 763 (2008).

31. GRIFFIN, R. F.: Spectroscopic binary orbits from photoelectric radial velocities -Paper 198: 48 Piscium, 16 Aurigae, 5 Herculis, and Beta Scuti. The Observatory128, 21 (2008).

32. GRIFFIN, R. F.: Spectroscopic binary orbits from photoelectric radial velocities -Paper 199: HD 105443, HD 108576, HD 112276, and HD 112641 with a preliminarydiscussion of HR 4964. The Observatory 128, 95 (2008).

33. GRIFFIN, R. F.: Spectroscopic binary orbits from photoelectric radial velocities -Paper 200: Kappa Persei, Beta Leonis Minoris, 56 Ursae Majoris, HR 4593, and39 Cygni. The Observatory 128, 176 (2008).

34. GRIFFIN, R. F.: Spectroscopic binary orbits from photoelectric radial velocities -Paper 201: HDE 245814 and HDE 260988. The Observatory 128, 290 (2008).

35. GRIFFIN, R. F.: Spectroscopic binary orbits from photoelectric radial velocities -Paper 202: 31 and 32 Cygni. The Observatory 128, 362 (2008).

36. GRIFFIN, R. F.: The radial velocity of HDE 276743. The Observatory 128, 407(2008).

37. GRIFFIN, R. F.: Spectroscopic binary orbits from photoelectric radial velocities: Asynopsis of papers 151 - 200. The Observatory 128, 448 (2008).

38. GRIFFIN, R. F.: Spectroscopic binary orbits from photoelectric radial velocities -Paper 203: HD 117063, HD 117123, HD 117139, and HD 117673. The Observatory128, 474 (2008).

39. HARETER, M. et al.: MOST discovers a multimode δ Scuti star in a triple system:HD 61199. Astron. Astrophys. 492, (1), 185 (2008).

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40. HARTKOPF, W. I., MASON, B. D. & RAFFERTY, T. J.: Speckle Interferometryat the USNO Flagstaff Station: Observations Obtained in 2003-2004 and 17 NewOrbits. Astron. J. 135, 1334 (2008).

41. HERNANDEZ, X. & LEE, W. H.: The tightening of wide binaries in dSph galaxiesthrough dynamical friction as a test of the dark matter hypothesis . Monthly Notices387 (4), 1727 (2008).

42. HRIVNAK, B. J. et al.: A Spectroscopic and Photometric Study of the Metal-Poor,Pulsating, Post-Asymptotic Giant Branch Binary HD 46703 . Astron. J. 136, 1557(2008).

43. HORCH, E. P. et al.: Charge-Coupled Device Speckle Observations of Binary Starswith the WIYN Telescope. V. Measures during 2001-2006. Astron. J. 136, 312(2008).

44. IORIO, L.: The impact of the oblateness of Regulus on the motion of its companion.Astrophys. Space Science 318 (1-2), 51 (2008).

45. JOERGENS, V.: Binary frequency of very young brown dwarfs at separations smallerthan 3 AU. Astron. Astrophys. 492, (2), 545 (2008).

46. KARAMI, K., MOHEBI, R. & SOLTANZADEH, M. M.: Application of a new non-linear least squares velocity curve analysis technique for spectroscopic binary stars.Astrophys. Space Science 318 (1-2), 69 (2008).

47. KAWKA, A. et al.: Orbital Parameters and Chemical Composition of Four WhiteDwarfs in PostCommon-Envelope Binaries. Astrophys. J. 675 (2), 1518 (2008).

48. KERVELLA, P. et al.: The radii of the nearby K5V and K7V stars 61 Cygni A &B - CHARA/FLUOR interferometry and CESAM2k modeling . Astron. Astrophys.488 (2), 667 (2008).

49. KIMINKI, D. C., McSWAIN, M. V. & KOBULNICKY, H. A.: New Massive Bina-ries in the Cygnus OB2 Association. Astrophys. J. 679 (2), 1478 (2008).

50. KIYAEVA, O. V., KISELEV, A. A. & IZMAILOV, I. S.: Dynamical study of WidePairs of Stars based on Data from de WDS Catalog. Astron. Letters 34 (6), 405(2008).

51. KOHLER, R. et al.: Orbits and masses in the T Tauri system. Astron. Astrophys.482, (3), 929 (2008).

52. KOHLER, R. et al.: Multiplicity of young stars in and around R Coronae Australis.Astron. Astrophys. 488, (3), 997 (2008).

53. KOUWENHOVEN, M. B. N. & DE GRIJS, R: The effect of binaries on the dynam-ical mass determination of star clusters. Astron. Astrophys. 480, 103 (2008).

54. KOUWENHOVEN, M. B. N. et al.: Pairing mechanisms for binary stars . Astron.Nach. 329 (9-10), 984 (2008).

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55. LAFRENIERE, D. et al.: A Multiplicity Census of Young Stars in Chamaeleon I.Astrophys. J. 683 (2), 844 (2008).

56. LAW, N. M., HODGKIN, S. T. & MACKAY, C. D.: The LuckyCam survey for verylow mass binaries II. 13 new M4.5 - M6.0 binaries. Monthly Notices 384 (1), 150(2008).

57. LEE, D.-W. et al.: Microlensing Detections of Planets in Binary Stellar Systems.Astrophys. J. 672, 623 (2008)

58. LIU, M. C., DUPUY, T. J. & IRELAND, M. J.: Keck Laser Guide Star Adap-tive Optics Monitoring of 2MASS J15344984-2952274 AB: First Dynamical MassDetermination of a Binary T Dwarf. Astrophys. J. 689 (1), 436 (2008).

59. LUK’YANOV, L. G.: Dynamical evolution of stellar orbits in close binary systemswith conservative mass transfer. Astron. Reports 52 (8), 680 (2008).

60. MACHIDA, M. N.: Binary Formation in Star-forming Clouds with Various Metal-licities. Astrophys. J. Lett. 682 (1), L1 (2008).

61. MAKAROV, V. V., ZACHARIAS, N. & HENNESSY, G. S.: Common Proper Mo-tion Companions to Nearby Stars: Ages and Evolution. Astrophys. J. 687 (1), 566(2008).

62. MARINOVIC, A. A. B., GLEBBEEK, E. & POLS, R.: Orbital eccentricities ofbinary systems with a former AGB star . Astron. Astrophys. 480 (3), 797 (2008).

63. MASON, B. D., HARTKOPF, W. I. & WYCOFF, G. L.: Speckle Interferometry atthe U.S. Naval Observatory. XIV. Astron. J. 136, 2223 (2008).

64. MASSAROTTI et al.: Rotational and Radial Velocities for a Sample of 761 Hip-parcos Giants and the Role of Binarity . Astron. J. 135, 209 (2008).

65. MAXTED, P. F. et al.: A survey for low-mass spectroscopic binary stars in theyoung clusters around σ Orionis and λ Orionis. Monthly Notices 385 (4), 2210(2008).

66. MEILLAND, A. et al.: δ Centauri: a new binary Be star detected by VLTI/AMBERspectro-interferometry. Astron. Astrophys. 488 (3), L67 (2008).

67. MERMILLIOD, J.-C., QUELOZ, D. & MAYOR, M.: Membership and binarityof solar-type dwarfs in the nearby open cluster Alpha Persei (Mel 20). Astron.Astrophys. 488 (1), 409 (2008).

68. MINTS, A. A.: Interaction of binary stars with clusters . Astron. Lett. 34 (1), 1(2008).

69. MONI BIDIN, C., CATELAN, M. & ALTMANN, M.: Is a binary fraction-agerelation responsible for the lack of EHB binaries in globular clusters?. Astron. As-trophys. 480 (1), L1 (2008).

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70. MUTERSPAUGH, M. W. et al.: Masses, Luminosities, and Orbital Coplanarities ofthe µ Orionis Quadruple-Star System from Phases Differential Astrometry . Astron.J. 135, 766 (2008).

71. NAZE, Y. et al.: A binary signature in the non-thermal radio-emitter Cyg OB2 ] 9.Astron. Astrophys. 483 (2), 543 (2008).

72. NEUHAUSER, R. et al.: Astrometric and photometric monitoring of GQ Lupi andits sub-stellar companion. Astron. Astrophys. 484 (1), 281 (2008).

73. PATIENCE, J. et al.: Optical Interferometric Observations of θ1 Orionis C fromNPOI and Implications for the System Orbit. Astrophys. J. Lett. 674 (2), L97(2008).

74. PENNY, L. R., OUZTS, C & GIES, D. R.: Tomographic Separation of CompositeSpectra. XI. The Physical Properties of the Massive Close Binary HD 100213 (TUMuscae). Astrophys. J. 681 (1), 554 (2008).

75. PICHARDO, B., SPARKE, L. S. & AGUILAR, L. A.: Geometrical and physicalproperties of circumbinary discs in eccentric stellar binaries. Monthly Notices 391(2), 815 (2008).

76. PRIEUR, J.-L. et al.: Speckle observations with PISCO in Merate V. Astrometricmeasurements of visual binaries in 2006. Monthly Notices 387 (2), 772 (2008).

77. RADIGAN, J. et al.: Discovery of a Wide Substellar Companion to a Nearby Low-Mass Star. Astrophys. J. 689 (1), 471 (2008).

78. RAMM, D. J.: High-precision orbital parameters for the short-period spectroscopicbinary HD 159656 an eccentric orbit confirmed for an old but active system. MonthlyNotices 387 (1), 220 (2008).

79. REID, N. I. et al.: L-Dwarf Binaries in the 20-Parsec Sample . Astron. J. 135, 580(2008).

80. RIAZ, B., GIZIS, J. E. & SAMADDAR, D.: Hubble Space Telescope Search for MSubdwarf Binaries. Astrophys. J. 672 (2), 1153 (2008).

81. RICA, F.: Orbital Elements for BU 1240 AB. Nature of the C and D Components.Rev. Mex. A. A. 44 (1), 137 (2008).

82. RUCINSKI, S. M. et al.: Radial Velocity Studies of Close Binary Stars. XIII .Astron. J. 136, 586 (2008).

83. SANA, H, et al.: The massive star binary fraction in young open clusters I. NGC6231 revisited. Monthly Notices 386 (1), 447 (2008).

84. SCARDIA, M. et al.: Speckle observations with PISCO in Merate: IV. Astrometricmeasurements of visual binaries in 2005 . Astron. Nach. 329 (1), 54 (2008).

85. SCARDIA, M. et al.: Preliminary orbital elements of six visual binary stars . As-tron. Nach. 329 (4), 379 (2008).

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86. SCHAEFER, G. H. et al.: Preliminary Orbit of the Young Binary Haro 1-14c .Astron. J. 135, 1659 (2008).

87. SCHMIDT, T. O. B. et al.: Confirmation of the binary status of Chamaeleon H α 2- a very young low-mass binary in Chamaeleon . Astron. Astrophys. 484 (2), 413(2008).

88. SCHUH, S. et al.: A new period determination for the close PG1159 binary SDSSJ212531.92-010745.9. Astron. Nach. 329 (4), 376 (2008).

89. SEIFAHRT, A. et al.: Improved orbital solution and masses for the very low-massmultiple system LHS 1070. Astron. Astrophys. 484 (2), 429 (2008).

90. SESAR, B, IZEVIC, Z. & JURIC, M.: Candidate Disk Wide Binaries in the SloanDigital Sky Survey. Astrophys. J. 689 (2), 1244 (2008).

91. SHKOLNIK E. et al.: BD -22 5866: A Low-Mass, Quadruple-lined Spectroscopicand Eclipsing Binary. Astrophys. J. 682 (2), 1248 (2008).

92. SKEMER, A. J. et al.: Evidence for Misaligned Disks in the T Tauri Triple System:10 m Superresolution with MMTAO and Markov Chains. Astrophys. J. 676 (2),182 (2008).

93. STRASSMEIER, K. et al.: The chromospherically active, triple, ellipsoidal, andeclipsing binary HD 6286 = BE Piscium: a laboratory for binary evolution . Astron.Astrophys. 485 (1), 233 (2008).

94. TAKEDA, G., KITA, R. & RASIO, F. A.: Planetary Systems in Binaries. I.Dynamical Classification. Astrophys. J. 683 (2), 1063 (2008).

95. TAMAZIAN, V. S. et al.: Preliminary Orbit and Differential Photometry of theNearby Flare Star CR Dra . Astron. J. 136, 974 (2008)

96. TAMBOVTSEVA, L. V. & GRININ, V. P.: Disc wind in the HH 30 binary models.Monthly Notices 387 (3), 1313 (2008).

97. THOMPSON, I. B. et al.: CS 22964-161: A Double-Lined Carbon- and s-ProcessEnhancedMetal-Poor Binary Star1. Astrophys. J. 677 (1), 556 (2008).

98. TOKOVININ, A. A.: Comparative statistics and origin of triple and quadruple stars.Monthly Notices 389 (2), 925 (2008).

99. TOKOVININ, A. A. & CANTARUTTI, R.: First Speckle Interferometry at SOARTelescope with Electron-Multiplication CCD. Pub. Astron. Soc. of the Pacific 120(864), 170 (2008).

100. TOMKIN, J. & FEKEL, F.: New Precision Orbits of Bright Double-Lined Spec-troscopic Binaries. II. HR 2962, HD 214686, and 16 PSC . Astron. J. 135, 555(2008).

101. TORRES, G., VAZ, L. P. R. & LACY, C. H. S.: Absolute Properties of the SpottedEclipsing Binary Star CV Bootis . Astron. J. 136, 2158 (2008).

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102. TORRES, R. M. et al.: Milli-arcsecond Binaries. Rev. Mex. A. A. Conf. Ser. 3498 (2008).

103. TURNER, N. H. et al.: Adaptive Optics Photometry and Astrometry of BinaryStars. III. A Faint Companion Search of O-Star Systems . Astron. J. 136, 554(2008).

104. WILLIAMS, S. J. et al.: Dynamical Masses for the Large Magellanic Cloud MassiveBinary System [L72] LH 54-425. Astrophys. J. 682 (1), 492 (2008).

105. ZHAO, M. et al.: First Resolved Images of the Eclipsing and Interacting Binary βLyrae. Astrophys. J. Lett. 684 (2), L95 (2008).

106. ZHUCHKOV, R. Y. et al.: Physical and Dynamical Parameters of the MultipleSystem HD 222326 . Astron. Reports 52 (7), 546 (2008).

ANNOUNCEMENTS

ADDRESS CHANGE FOR COMMISSION 26 WEBSITE AND USNO DOUBLE STARCATALOGS

Under direction of its Chief of Naval Operations, all of the websites for the U.S. NavyOceanography community were recently combined under a single web portal. As a result,the URLs for the Commission 26 website, as well as the WDS, Fourth InterferometricCatalog, Sixth Orbit Catalog, and all other USNO double star catalogs, have changed.All of these sites can now be reached from the URL:http://www.usno.navy.mil/USNO/astrometry/optical-IR-prod/wds

There may be some further changes to locations of the catalog data files themselves,but the addresses of this page and the pages linked directly from it should remain correct.A considerable number of changes were made to these catalogs in rather short order, sowe would appreciate notification of any broken links, as well as any erroneous or missinginformation the reader may run across. Suggestions for other improvements are also wel-come.

Brian D. Mason & William I. HartkopfU.S. Naval Observatory

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The deadline for contributions to Information Circular No. 168 is:

June 15th 2009

J. A. Docobo (joseangel.docobo@usc.es)J. F. Ling (josefinaf.ling@usc.es)Tel. +34 981592747Fax: +34 981597054

Observatorio Astronomico R. M. AllerP. O. Box 197http://www.usc.es/astroUniversidade de Santiago de CompostelaSPAIN

————————–ISSN: 1024-7769

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