Observation Sector 117

TESS Observation Sector 117 is comprised of observations made during orbits 245 and 246 of the TESS mission. Observations extend from May 10 through June 7, 2027. Sector 117 is the first of many sectors in the northern ecliptic hemisphere. The regions of the sky observed are shown at right.

Pointing

The orientation of the spacecraft and camera boresights are given in the table below.

Boresight	RA	Dec	Roll	Ecliptic Longitude	Ecliptic Latitude
Spacecraft	251.562	32.283	-12.361	242.9	54.0
Camera 1	244.323	-3.056	79.558	242.9	18.0
Camera 2	248.838	20.532	78.857	242.9	42.0
Camera 3	255.107	43.958	-104.561	242.9	66.0
Camera 4	270.005	66.564	-117.067	51.9	90.0
All coordinates are degrees (J2000)

Map of TESS camera fields-of-view in ecliptic coordinates. Camera 1 is red, camera 2 is magenta, camera 3 is blue, camera 4 is green. The field of camera 4 looks distorted because it is centered on the ecliptic pole. The thin black line is the ecliptic; the thick black line is the galactic plane.

Map of TESS camera fields-of-view in celestial coordinates. Camera 1 is red, camera 2 is magenta, camera 3 is blue, camera 4 is green. The thin black line is the ecliptic; the thick black line is the galactic plane.

Targets for Sector 117

During Sector 117, 12,000 stars will be observed at two-minute cadence, up to 3,000 stars at 20-second cadence, and full-frame images will be collected every 200 seconds.

The list of targets observed at two-minute cadence are posted on the Target List page as soon as they have been determined. The target list includes the camera and CCD on which the target can be found, TIC ID, RA, declination, and TESS magnitude.