Exposure
- ID
- MATIS.2025-08-11T08:34:46.597_1
- Header ID
- MATIS.2025-08-11T08:34:46.597
- Date updated
- 2025-08-11 08:40:42 UTC+0000
- Release date
- 2026-08-11 08:40:42 UTC+0000
- UTC Start
- 2025-08-11 08:34:46.597
- UTC End
- 2025-08-11 08:35:48.607
- MJD Start
- 60898.35748376
- MJD End
- 60898.358201468334
- Exposure time (s)
- 62.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.004546
- Ambient temperature (°C)
- 14.93
- Seeing (arcsec)
- 0.4
Observation
- ID
- 69926
- Category
- science
- Program ID
- 115.28GN.001
- Program Title
- MID-INFRARED STUDY OF THE PLANETARY ATMOSPHERES OF THE HR 8799 SYSTEM
- Program Type
- Normal
- PI / COI
- HOULLÉ / MILLOUR / SCIGLIUTO / LOPEZ
Target
- ID
- 51892
- Name
- HD 218396
- RA
- 346.871662
- DEC
- 21.1337
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 52.2400 | 52.2960 | 38.0000 | 38.0000 |
| U1-U3 | 97.6830 | 97.7700 | 42.2000 | 42.1000 |
| U1-U4 | 129.6530 | 129.6090 | 58.6840 | 58.5780 |
| U2-U3 | 45.7340 | 45.7620 | 46.9000 | 46.8000 |
| U2-U4 | 82.8340 | 82.6990 | 71.5250 | 71.3990 |
| U3-U4 | 45.4500 | 45.2700 | 96.3170 | 96.2480 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 115.28GN.001 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT |
| MJD-OBS | 60898.35748376 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY |
| HIERARCH ESO OBS TARG NAME | HD 218396 |
| RA | 346.871662 |
| DEC | 21.1337 |
| HIERARCH ESO DET NAME | MATISSE-N |
| HIERARCH ESO INS DIN NAME | LOW |
| HIERARCH ESO INS DIN ID | LOW |
| HIERARCH ESO INS MODE | HYBRID |
| HIERARCH ESO ISS CONF NTEL | 4 |
| HIERARCH ESO ISS CONF STATION1 | U1 |
| HIERARCH ESO ISS CONF STATION2 | U2 |
| HIERARCH ESO ISS CONF STATION3 | U3 |
| HIERARCH ESO ISS CONF STATION4 | U4 |
| EXPTIME | 0.0200088 |
| HIERARCH ESO DET SEQ1 PERIOD | 0.026 |
| HIERARCH ESO DET NDIT | 2385 |
| HIERARCH ESO ISS PBL12 START | 52.24 |
| HIERARCH ESO ISS PBL12 END | 52.296 |
| HIERARCH ESO ISS PBLA12 START | 38.0 |
| HIERARCH ESO ISS PBLA12 END | 38.0 |
| HIERARCH ESO ISS PBL13 START | 97.683 |
| HIERARCH ESO ISS PBL13 END | 97.77 |
| HIERARCH ESO ISS PBLA13 START | 42.2 |
| HIERARCH ESO ISS PBLA13 END | 42.1 |
| HIERARCH ESO ISS PBL14 START | 129.653 |
| HIERARCH ESO ISS PBL14 END | 129.609 |
| HIERARCH ESO ISS PBLA14 START | 58.684 |
| HIERARCH ESO ISS PBLA14 END | 58.578 |
| HIERARCH ESO ISS PBL23 START | 45.734 |
| HIERARCH ESO ISS PBL23 END | 45.762 |
| HIERARCH ESO ISS PBLA23 START | 46.9 |
| HIERARCH ESO ISS PBLA23 END | 46.8 |
| HIERARCH ESO ISS PBL24 START | 82.834 |
| HIERARCH ESO ISS PBL24 END | 82.699 |
| HIERARCH ESO ISS PBLA24 START | 71.525 |
| HIERARCH ESO ISS PBLA24 END | 71.399 |
| HIERARCH ESO ISS PBL34 START | 45.45 |
| HIERARCH ESO ISS PBL34 END | 45.27 |
| HIERARCH ESO ISS PBLA34 START | 96.317 |
| HIERARCH ESO ISS PBLA34 END | 96.248 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004231 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004861 |
| HIERARCH ESO ISS AMBI TEMP | 14.93 |
| HIERARCH ESO ISS AMBI FWHM START | 0.43 |
| HIERARCH ESO ISS AMBI FWHM END | 0.37 |