MLO as Viewed from Wooded HillMLO as Viewed from Wooded HillCleveland National ForestCleveland National Forest

45 air miles east of San Diego45 air miles east of San Diego

40”

21”

50”(in progress)

24”

HPWREN Antenna

Upgrade of “Illinois” 40-inchUpgrade of “Illinois” 40-inchNSF: Program for Research & Education with Small NSF: Program for Research & Education with Small

Telescopes; AST-0519686 Telescopes; AST-0519686 (note changed encoders & motors)(note changed encoders & motors)

2005 (spectrograph) 2007 (SDSU CCD camera)

Detecting Nova Outbursts Detecting Nova Outbursts M31 Center:M31 Center: 29Dec0329Dec03 –– 23Jan0523Jan05 ComparisonComparison

Deep Impact MissionDeep Impact Mission2005 July 4 UT, MLO 40-inch Telescope2005 July 4 UT, MLO 40-inch Telescope

Mitchel et al. 2010, Icarus, 205, 619-626Mitchel et al. 2010, Icarus, 205, 619-626

Low-Mass Eclipsing Binaries at Mount LagunaLow-Mass Eclipsing Binaries at Mount LagunaPI: J. Orosz (AST 0808145)PI: J. Orosz (AST 0808145)

Multi-color light curves of low-mass eclipsing binaries Multi-color light curves of low-mass eclipsing binaries constrain mass-radius law for very low-mass stars.constrain mass-radius law for very low-mass stars.Currently observing low-mass binaries discovered by Currently observing low-mass binaries discovered by Kepler Mission (with W. Welsh).Kepler Mission (with W. Welsh).MLO light curves of GU Boo (Windmiller, Orosz, & MLO light curves of GU Boo (Windmiller, Orosz, & Etzel 2010, ApJ, 712, 1003).Etzel 2010, ApJ, 712, 1003).

Eclipsing binaries can provide extremely precise ages for parts of the galaxy

“ARRA: Precise Ages for Open Star Clusters from Detached Eclipsing Binaries”

NSF AST 09-08536 PI: Sandquist

Ages in the Milky Way

Time-Series Time-Series PhotometryPhotometry

AST-0607682AST-0607682

SU UMa Star SU UMa Star VS0329+1250VS0329+1250

Shafter et al. PASP, Shafter et al. PASP, 2007, 119, 388-3922007, 119, 388-392

SDSU SDSU NSF REU NSF REU ProgramProgram

2005-20102005-2010

AST-043609AST-043609AST-085065AST-085065

PI SandquistPI Sandquist

50-inch Phillips Claud Telescope50-inch Phillips Claud Telescope(under construction with $940K in private donations)(under construction with $940K in private donations)

Builds on ULTRA project with Kansas Univ.; AST-0321247Builds on ULTRA project with Kansas Univ.; AST-0321247

Remote andRobotic observingfrom KUand SDSUcampusesvia HPWREN