Exposure
- ID
- MATIS.2025-08-07T08:27:23.667_1
- Header ID
- MATIS.2025-08-07T08:27:23.667
- Date updated
- 2025-08-07 08:35:39 UTC+0000
- Release date
- 2026-08-07 08:35:39 UTC+0000
- UTC Start
- 2025-08-07 08:27:23.667
- UTC End
- 2025-08-07 08:28:30.111
- MJD Start
- 60894.35235726
- MJD End
- 60894.35312628778
- Exposure time (s)
- 66.4
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.007159
- Ambient temperature (°C)
- 13.72
- Seeing (arcsec)
- 0.57
Observation
- ID
- 69491
- 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
- 51619
- Name
- HD 218396
- RA
- 346.871691
- DEC
- 21.13408
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 50.8890 | 50.9590 | 38.2000 | 38.2000 |
| U1-U3 | 95.5200 | 95.6360 | 42.9000 | 42.9000 |
| U1-U4 | 130.2020 | 130.1950 | 60.9260 | 60.8220 |
| U2-U3 | 44.9870 | 45.0290 | 48.1000 | 48.1000 |
| U2-U4 | 85.5310 | 85.4140 | 74.1920 | 74.0670 |
| U3-U4 | 49.2560 | 49.0790 | 97.8470 | 97.7730 |
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 | 60894.35235726 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY |
| HIERARCH ESO OBS TARG NAME | HD 218396 |
| RA | 346.871691 |
| DEC | 21.13408 |
| 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 | 50.889 |
| HIERARCH ESO ISS PBL12 END | 50.959 |
| HIERARCH ESO ISS PBLA12 START | 38.2 |
| HIERARCH ESO ISS PBLA12 END | 38.2 |
| HIERARCH ESO ISS PBL13 START | 95.52 |
| HIERARCH ESO ISS PBL13 END | 95.636 |
| HIERARCH ESO ISS PBLA13 START | 42.9 |
| HIERARCH ESO ISS PBLA13 END | 42.9 |
| HIERARCH ESO ISS PBL14 START | 130.202 |
| HIERARCH ESO ISS PBL14 END | 130.195 |
| HIERARCH ESO ISS PBLA14 START | 60.926 |
| HIERARCH ESO ISS PBLA14 END | 60.822 |
| HIERARCH ESO ISS PBL23 START | 44.987 |
| HIERARCH ESO ISS PBL23 END | 45.029 |
| HIERARCH ESO ISS PBLA23 START | 48.1 |
| HIERARCH ESO ISS PBLA23 END | 48.1 |
| HIERARCH ESO ISS PBL24 START | 85.531 |
| HIERARCH ESO ISS PBL24 END | 85.414 |
| HIERARCH ESO ISS PBLA24 START | 74.192 |
| HIERARCH ESO ISS PBLA24 END | 74.067 |
| HIERARCH ESO ISS PBL34 START | 49.256 |
| HIERARCH ESO ISS PBL34 END | 49.079 |
| HIERARCH ESO ISS PBLA34 START | 97.847 |
| HIERARCH ESO ISS PBLA34 END | 97.773 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.007159 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.007159 |
| HIERARCH ESO ISS AMBI TEMP | 13.72 |
| HIERARCH ESO ISS AMBI FWHM START | 0.57 |
| HIERARCH ESO ISS AMBI FWHM END | 0.57 |