[1] Univ Southern Queensland, Ctr Astrophys, West St, Toowoomba, Qld 4350, Australia
[2] Kutztown State Univ, Dept Phys Sci, Kutztown, PA 19530 USA
[3] Williams Coll, Dept Astron, 33 Lab Campus Dr, Williamstown, MA 01267 USA
[4] Univ Texas Austin, Dept Astron, Austin, TX 78712 USA
[5] MIT, Dept Phys, Cambridge, MA 02139 USA
[6] Univ Calif Riverside, Dept Earth Sci, Riverside, CA 92521 USA
[7] Univ Louisville, Dept Phys & Astron, Louisville, KY 40292 USA
[8] George Mason Univ, Dept Phys & Astron, 4400 Univ Dr MS 3F3, Fairfax, VA 22030 USA
[9] UNSW Sydney, Sch Phys, Exoplanetary Sci UNSW, Sydney, NSW 2052, Australia
[10] Nanjing Univ, Sch Astron & Space Sci, Key Lab Modern Astron & Astrophys, Minist Educ, Nanjing 210046, Jiangsu, Peoples R China
[11] Harvard & Smithsonian, Ctr Astrophys, 60 Garden St, Cambridge, MA 02138 USA
[12] Thacher Sch, 5025 Thacher Rd, Ojai, CA 93023 USA
[13] CALTECH, MC 249-17,1200 E Calif Blvd, Pasadena, CA 91125 USA
[14] Boston Univ, Inst Astrophys Res, Dept Astron, 725 Commonwealth Ave, Boston, MA 02215 USA
[15] Univ Montana, Dept Phys & Astron, 32 Campus Dr 1080, Missoula, MT 59812 USA
[16] CALTECH, 1200 E Calif Blvd, Pasadena, CA 91125 USA
[17] Harvard Smithsonian Ctr Astrophys, Cambridge, MA 02138 USA
[18] Univ Penn, Dept Phys & Astron, Philadelphia, PA 19104 USA
[19] Ohio State Univ, Dept Astron, 140 West 18th Ave, Columbus, OH 43210 USA
[20] Penn State Univ, Dept Astron & Astrophys, 525 Davey Lab, University Pk, PA 16802 USA
[21] Univ Penn, Dept Phys & Astron, 209 South 33rd St, Philadelphia, PA 19104 USA
[22] US Naval Acad, Dept Phys, 572C Holloway Rd, Annapolis, MD 21402 USA
[23] Univ Sydney, Sch Phys, Sydney Inst Astron SIfA, Sydney, NSW 2006, Australia
[24] Aarhus Univ, Dept Phys & Astron, Stellar Astrophys Ctr, Ny Munkegade 120, DK-8000 Aarhus C, Denmark
[25] Univ New South Wales, Sch Phys, Sydney, NSW 2052, Australia
[26] Univ Hawaii, Inst Astron, 2680 Woodlawn Dr, Honolulu, HI 96822 USA