SDSS-J102109.69-030420.1

SpTypes: T1+T5
Distance: 29 pc
Total Kmag: 15.1 => 15.49+16.49
Last measured sep: 0.149''
Last measured PA: 204 degrees

Observing Information - NIRC2

• filter = Kp, H, and J
• Camera = Narrow
• sampmode = 3x8
• tint = 30 sec x 2 coadds
• dither patter = bxy3 2.5 2.5 n=3 (n can be lowered if not enough time)



Keck LGS-AO Tool Finding Chart


Finding charts are north up and are 3' on a side.

Tip/Tilt star TT_0869-02, R = 15.1, Sep = 22.2 = Source #1, Marked with green box


Airmass plot for May 29 (also shown is airmass of SgrA*)