1998-020A
The Transitional Region and Coronal Explorer was the 4th SMEX mission, to study magnetic fields and heating in solar corona. It returns the highest resolution EUV images of the sun. Mass is 250 kg; the bus was a GSFC SMEX. TRACE carries a 0.3m aperture Ritchey-Chretien telescope, with coatings for both optical-UV and EUV (narrow 171A, 195A and 284A bands) imaging. One quadrant of the primary observes in the UV, the remainder in the EUV. The telescope has an 8.5min field of view, and is derived from the NIXT sounding rocket and the EIT telescope on SOHO.
| TRACE | |||
| Date | Time | Event | Orbit |
|---|---|---|---|
| 1998 Apr 2 | 0144 | L-1011 t/o from VAFB | |
| 0242:39 | Pegasus drop | ||
| 0242:44 | Stage 1 burn | ||
| 0243:59 | Stage 2 burn | ||
| 0245:06 | Stage 2 MECO | ||
| 0249:55 | Stage 2 sep | ||
| 0250:04 | Stage 3 burn | ||
| 0251:12 | Stage 3 MECO | ||
| 0252:12 | Stage 3 sep | ||
| 1998 Apr 2 | 1430 | 97.10 598 x 641 x 97.8 | |
| 1998 Apr 20 | First light | ||
| 2017 Jun 21 | end of science ops | ||
Payload:
- TRACE telescope
- CCD camera
