J/AJ/132/393 Radial velocities of V966 Her and V1438 Aql (Hintz+, 2006) ================================================================================ Establishing observational baselines for two {delta} Scuti variables: V966 Herculis and V1438 Aquilae. Hintz E.G., Rose M.B., Bush T.C., Maxwell A.A. =2006AJ....132..393H ================================================================================ ADC_Keywords: Stars, variable ; Radial velocities Keywords: delta Scuti stars: individual (V1438 Aquilae, V966 Herculis) Abstract: We have examined the previously understudied Scuti stars V966 Herculis and V1438 Aquilae. We find that V966 Her is a stable pulsator with a refined period of 0.1330302 days with a full V amplitude of 0.096mag. We also find that V966 Her has an average radial velocity of +7.8km/s, a full radial velocity amplitude of 7.6km/s, and a vsini=63.8km/s. For V1438 Aql we report a revised Hipparcos period of 0.1612751 days with a full amplitude of 0.056. The average radial velocity is found to be -43km/s, with full amplitude of 9.7km/s, and a vsini=76.7km/s. Due to some anomalies seen in V1438 Aql we feel that a much larger photometric and spectroscopic campaign is required to determine the true nature of this star. Description: Photometric observations of the two stars were secured between 1999 June and 2005 September. A total of 13 nights of data were obtained for V966 Her and 11 nights for V1438 Aql. All photometric data were obtained using the 0.4m David Derrick Telescope (DDT) of Brigham Young University's Orson Pratt Observatory (Provo, Utah). Spectroscopic data were secured between 2002 June and 2004 August at the Dominion Astrophysical Observatory (DAO). All observations were obtained using the 1.2m McKellar Telescope with the coude spectrograph using the 32121 grating. Objects: ------------------------------------------------------------ RA (2000) DE Designation(s) (File) ------------------------------------------------------------ 17 43 03.5 +37 34 10 V966 Her = HD 161287 (table2.dat) 18 59 50.9 +11 26 42 V1438 Aql = HD 176445 (table3.dat) ------------------------------------------------------------ File Summary: -------------------------------------------------------------------------------- FileName Lrecl Records Explanations -------------------------------------------------------------------------------- ReadMe 80 . This file table2.dat 22 94 Radial Velocity Measurements for V966 Herculis table3.dat 22 36 Radial Velocity Measurements for V1438 Aquilae -------------------------------------------------------------------------------- Byte-by-byte Description of file: table2.dat table3.dat -------------------------------------------------------------------------------- Bytes Format Units Label Explanations -------------------------------------------------------------------------------- 1- 12 F12.4 d HJD Heliocentric Julian Date 14- 18 F5.1 km/s RV Radial velocity 20- 22 A3 --- Inst Instrument used: CCD or RVS = Radial Velocity Speedometer -------------------------------------------------------------------------------- History: From electronic version of the journal ================================================================================ (End) Greg Schwarz [AAS], Patricia Vannier [CDS] 07-Sep-2007