Kurt Schwehr 414 Distel Dr. Los Altos, CA. 94022 (415)948-0257 Truk@Leland.Stanford.Edu Summery of Results from Visual Inspection of Robotic Telescope Data 8/91 Group: 1 Reference Star: HD 56986 HD 56537 HD 56986 Group: 3 Reference Star: HD 102590 HD 98231 Transit seen in Night Table Period: 74 or greater Transit time: 25 to 49 Days *Possibly seen starting again JD 324 Not seen in Blue Filter(2) data HD 102590 Group: 4 Reference Star: HD 145976 HD 145976 \ |-> Not much data HD 148283 / Group: 5 Reference Star: HD 77745 HD 77660 Transit seen in Night Table Period: unknown (greater than 126 days) Transit time: 25 to 45 days *Not seen in Blue Filter(2) data HD 77745 Group: 6 Reference Star: HD 176583 HD 176583 HD 176599 HD 176871 HD 176895 Transit seen on JD 65 Group: 7 Reference Star: HD 91752 HD 91148 Transit Seen in Night Table Sparce Data HD 91163 HD 91546 Group: 101 Reference Star: HD 113848 HD 113022 Possible period around 8 days seen. HD 113848 Oscillations on JD 44 seen in graphs for 3 other stars relative to this one. Clearest example in graph of 114278 relative to 113848 Oscillation Time: 28 Minutes HD 114378 -- 42 Alfa Com Alpha Com. Ber. in plane binary - period ~ 20 years - i = 90.06 deg. HD 114762 -- Latham's Star Latham finds a dark companion with p = 84 days ** Find rotation tau and ________ of companion Transit observed from JD 268 to 351 Transit Duration: 83 Days Possible Period: 169 Days Group: 105 Reference Star: HD 91480 HD 90839 Has 1 to 15 Mj companion according to Latham. This star is ____ on Cochrane's list Possible Transits: JD 294.8 Possibly Noise JD 314.7 Possibly Noise HD 91480 HD 93859 Group: 110 Reference Star: HD 124570 HD 123845 Possible Transits: JD 59 JD 291 HD 124570 -- Lockwood constant star HD 125451 -- Lockwood star Possible Transits: JD 48 JD 59 JD 324 Group: 118 Reference Star: HD 103313 HD 102634 HD 102870 BETA_VIR has 1 to 10 MJ companion according to Cambell It is also on Cochrane's list. Possible period of 70 to 74 Days HD 103313 Data shows the ref. star is probably variable - W. Borucki Possible period of 70 to 74 Days period could be in either HD 102870 or HD 103313 Possible period in the range of 2 hrs (see JD 281 graphs) Group: 148 Reference Star: HD 131265 HD 130396 Possible period of 20 Days. HD 131156 -- Xi-Boo has 2 to 8 MJ companion acc. to Cambell Find Rotation Rate - 6.2 days ?? acc. to Lockwood Possible Period of 6.5 days -- K.S. HD 131265 HD 131511 Transit seen on JD 46 Group: 174 Ref Star : 157856 HD 156635 Slight chance of period of about 9 days HD 157347 HD 157856 HD 158614 Group: 185 Reference Star: HD 171653 HD 171653 Transits observed that appear to be the reference star: JD 353 JD 382 This one is questionable. JD 425 HD 172066 HD 172199 HD 173084 -- Dra 2384 is a V.B. with i = 85.5 deg - period = 137 yrs Group: 193 Reference Star: HD 181144 HD 181144 HD 181166 Group: 210 Reference Star: HD 200790 HD 199766 -- Sigma Equ is a VB with i = 92.8 deg and period = 101 years actually it is a triplet with the 3rd star (dF4) 11" away and at 7.2 MV Transit seen in night table around JD 209 and JD 424 Possible period = 227 Days Transit observed on JD 59 in within night data HD 200663 HD 200790 Group: 225 Reference Star: HD 310000 HD 212754 -- Problem - Night table says that it is in Group 406 HD 213235 HD 310000 Group: 300 Reference Star: HD 1478 HD 1478 HD 1624 JD 276 - ?? Possible Period of about 15 minutes. HD 1658 Group: 310 Reference Star: HD 27991 HD 27991 HD 28363 -- Tau 1080 VB with tau = 40 yrs inclin = 92.6 deg HD 28677 -- Visual Binary Group: 315 Reference Star: HD 8272 HD 8013 HD 8272 HD 8538 -- Del Cass Star is an E.A. with a 759 day period Group: 320 Reference Star: HD 34180 * Check JD 320 * HD 34180 HD 35317 -- Ori_A847 VB with Tau = 48 yrs i = 90.0 degrees HD 35776 HD 36150 Possible Variable Star Possible Period = 6 days Group: 406 -- Did not look at this group. Group: 407 -- Did not look at this group. Group: 408 -- Did not look at this group. Group: 450 Reference Star: HD 122080 HD 120917 Possible Variable Star Possible Period: 22 to 27 Days HD 121648 Variable Star Period = 4.987 HD 122080 Group: 451 Reference Star: HD 34260 There is a lot happing in this group. HD 34031 HD 34260 The Reference star is probably variable. HD 34335 Transit observed on JD 338 HD 116209 Value Constant in NIT table HD 116568 HD 116802 ------------------------------------------------------------------------------ Data from Sky Catalogue 2000.0, CATALOG.TBL, William Borucki's notes, and Kurt Schwehr's visual inspection of graphs.