Exposure
- ID
- MATIS.2025-08-10T06:53:20.775_1
- Header ID
- MATIS.2025-08-10T06:53:20.775
- Date updated
- 2025-08-10 07:05:44 UTC+0000
- Release date
- 2026-08-10 07:05:43 UTC+0000
- UTC Start
- 2025-08-10 06:53:20.775
- UTC End
- 2025-08-10 06:54:27.219
- MJD Start
- 60897.28704601
- MJD End
- 60897.28781503778
- Exposure time (s)
- 66.4
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0050965
- Ambient temperature (°C)
- 12.34
- Seeing (arcsec)
- 0.475
Observation
- ID
- 69727
- 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
- 51779
- Name
- HD 218396
- RA
- 346.871444
- DEC
- 21.13373
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 44.8110 | 44.9160 | 36.2000 | 36.3000 |
| U1-U3 | 84.5860 | 84.7890 | 43.0000 | 43.0000 |
| U1-U4 | 124.7390 | 124.9150 | 67.2780 | 67.1970 |
| U2-U3 | 40.4240 | 40.5160 | 50.4000 | 50.4000 |
| U2-U4 | 89.3840 | 89.3970 | 82.2620 | 82.1490 |
| U3-U4 | 59.0370 | 58.9340 | 103.4470 | 103.3560 |
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 | 60897.28704601 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY |
| HIERARCH ESO OBS TARG NAME | HD 218396 |
| RA | 346.871444 |
| 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 | 44.811 |
| HIERARCH ESO ISS PBL12 END | 44.916 |
| HIERARCH ESO ISS PBLA12 START | 36.2 |
| HIERARCH ESO ISS PBLA12 END | 36.3 |
| HIERARCH ESO ISS PBL13 START | 84.586 |
| HIERARCH ESO ISS PBL13 END | 84.789 |
| HIERARCH ESO ISS PBLA13 START | 43.0 |
| HIERARCH ESO ISS PBLA13 END | 43.0 |
| HIERARCH ESO ISS PBL14 START | 124.739 |
| HIERARCH ESO ISS PBL14 END | 124.915 |
| HIERARCH ESO ISS PBLA14 START | 67.278 |
| HIERARCH ESO ISS PBLA14 END | 67.197 |
| HIERARCH ESO ISS PBL23 START | 40.424 |
| HIERARCH ESO ISS PBL23 END | 40.516 |
| HIERARCH ESO ISS PBLA23 START | 50.4 |
| HIERARCH ESO ISS PBLA23 END | 50.4 |
| HIERARCH ESO ISS PBL24 START | 89.384 |
| HIERARCH ESO ISS PBL24 END | 89.397 |
| HIERARCH ESO ISS PBLA24 START | 82.262 |
| HIERARCH ESO ISS PBLA24 END | 82.149 |
| HIERARCH ESO ISS PBL34 START | 59.037 |
| HIERARCH ESO ISS PBL34 END | 58.934 |
| HIERARCH ESO ISS PBLA34 START | 103.447 |
| HIERARCH ESO ISS PBLA34 END | 103.356 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.00619 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004003 |
| HIERARCH ESO ISS AMBI TEMP | 12.34 |
| HIERARCH ESO ISS AMBI FWHM START | 0.44 |
| HIERARCH ESO ISS AMBI FWHM END | 0.51 |