Exposure
- ID
- MATIS.2025-08-10T06:51:48.843_1
- Header ID
- MATIS.2025-08-10T06:51:48.843
- Date updated
- 2025-08-10 07:00:45 UTC+0000
- Release date
- 2026-08-10 07:00:45 UTC+0000
- UTC Start
- 2025-08-10 06:51:48.843
- UTC End
- 2025-08-10 06:52:55.287
- MJD Start
- 60897.28598198
- MJD End
- 60897.28675100778
- Exposure time (s)
- 66.4
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.00619
- Ambient temperature (°C)
- 12.32
- Seeing (arcsec)
- 0.44
Observation
- ID
- 69731
- 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
- 51781
- Name
- HD 218396
- RA
- 346.871441
- DEC
- 21.13373
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 44.6830 | 44.7780 | 36.1000 | 36.2000 |
| U1-U3 | 84.3390 | 84.5220 | 42.9000 | 42.9000 |
| U1-U4 | 124.5210 | 124.6820 | 67.3750 | 67.3030 |
| U2-U3 | 40.3110 | 40.3950 | 50.4000 | 50.4000 |
| U2-U4 | 89.3650 | 89.3790 | 82.4000 | 82.2980 |
| U3-U4 | 59.1600 | 59.0700 | 103.5570 | 103.4760 |
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 | 60897.28598198 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY |
| HIERARCH ESO OBS TARG NAME | HD 218396 |
| RA | 346.871441 |
| DEC | 21.13373 |
| HIERARCH ESO DET NAME | MATISSE-LM |
| HIERARCH ESO INS FIL NAME | LM |
| HIERARCH ESO INS FIL ID | LM |
| HIERARCH ESO INS DIL NAME | MED |
| HIERARCH ESO INS DIL ID | MED |
| 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 | 10.0 |
| HIERARCH ESO DET SEQ1 PERIOD | 11.074 |
| HIERARCH ESO DET NDIT | 6 |
| HIERARCH ESO ISS PBL12 START | 44.683 |
| HIERARCH ESO ISS PBL12 END | 44.778 |
| HIERARCH ESO ISS PBLA12 START | 36.1 |
| HIERARCH ESO ISS PBLA12 END | 36.2 |
| HIERARCH ESO ISS PBL13 START | 84.339 |
| HIERARCH ESO ISS PBL13 END | 84.522 |
| HIERARCH ESO ISS PBLA13 START | 42.9 |
| HIERARCH ESO ISS PBLA13 END | 42.9 |
| HIERARCH ESO ISS PBL14 START | 124.521 |
| HIERARCH ESO ISS PBL14 END | 124.682 |
| HIERARCH ESO ISS PBLA14 START | 67.375 |
| HIERARCH ESO ISS PBLA14 END | 67.303 |
| HIERARCH ESO ISS PBL23 START | 40.311 |
| HIERARCH ESO ISS PBL23 END | 40.395 |
| HIERARCH ESO ISS PBLA23 START | 50.4 |
| HIERARCH ESO ISS PBLA23 END | 50.4 |
| HIERARCH ESO ISS PBL24 START | 89.365 |
| HIERARCH ESO ISS PBL24 END | 89.379 |
| HIERARCH ESO ISS PBLA24 START | 82.4 |
| HIERARCH ESO ISS PBLA24 END | 82.298 |
| HIERARCH ESO ISS PBL34 START | 59.16 |
| HIERARCH ESO ISS PBL34 END | 59.07 |
| HIERARCH ESO ISS PBLA34 START | 103.557 |
| HIERARCH ESO ISS PBLA34 END | 103.476 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.00619 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.00619 |
| HIERARCH ESO ISS AMBI TEMP | 12.32 |
| HIERARCH ESO ISS AMBI FWHM START | 0.44 |
| HIERARCH ESO ISS AMBI FWHM END | 0.44 |