Exposure
- ID
- MATIS.2025-08-07T08:19:42.466_1
- Header ID
- MATIS.2025-08-07T08:19:42.466
- Date updated
- 2025-08-07 08:30:44 UTC+0000
- Release date
- 2026-08-07 08:30:43 UTC+0000
- UTC Start
- 2025-08-07 08:19:42.466
- UTC End
- 2025-08-07 08:20:48.910
- MJD Start
- 60894.34701928
- MJD End
- 60894.34778830778
- Exposure time (s)
- 66.4
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.008167
- Ambient temperature (°C)
- 13.78
- Seeing (arcsec)
- 0.57
Observation
- ID
- 69495
- 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
- 51621
- Name
- HD 218396
- RA
- 346.871693
- DEC
- 21.13408
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 50.4020 | 50.4810 | 38.2000 | 38.2000 |
| U1-U3 | 94.7110 | 94.8440 | 43.1000 | 43.0000 |
| U1-U4 | 130.1920 | 130.2000 | 61.6200 | 61.5100 |
| U2-U3 | 44.6870 | 44.7370 | 48.5000 | 48.4000 |
| U2-U4 | 86.2790 | 86.1640 | 75.0260 | 74.8940 |
| U3-U4 | 50.4210 | 50.2370 | 98.3530 | 98.2720 |
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 | 60894.34701928 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY |
| HIERARCH ESO OBS TARG NAME | HD 218396 |
| RA | 346.871693 |
| 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 | 50.402 |
| HIERARCH ESO ISS PBL12 END | 50.481 |
| HIERARCH ESO ISS PBLA12 START | 38.2 |
| HIERARCH ESO ISS PBLA12 END | 38.2 |
| HIERARCH ESO ISS PBL13 START | 94.711 |
| HIERARCH ESO ISS PBL13 END | 94.844 |
| HIERARCH ESO ISS PBLA13 START | 43.1 |
| HIERARCH ESO ISS PBLA13 END | 43.0 |
| HIERARCH ESO ISS PBL14 START | 130.192 |
| HIERARCH ESO ISS PBL14 END | 130.2 |
| HIERARCH ESO ISS PBLA14 START | 61.62 |
| HIERARCH ESO ISS PBLA14 END | 61.51 |
| HIERARCH ESO ISS PBL23 START | 44.687 |
| HIERARCH ESO ISS PBL23 END | 44.737 |
| HIERARCH ESO ISS PBLA23 START | 48.5 |
| HIERARCH ESO ISS PBLA23 END | 48.4 |
| HIERARCH ESO ISS PBL24 START | 86.279 |
| HIERARCH ESO ISS PBL24 END | 86.164 |
| HIERARCH ESO ISS PBLA24 START | 75.026 |
| HIERARCH ESO ISS PBLA24 END | 74.894 |
| HIERARCH ESO ISS PBL34 START | 50.421 |
| HIERARCH ESO ISS PBL34 END | 50.237 |
| HIERARCH ESO ISS PBLA34 START | 98.353 |
| HIERARCH ESO ISS PBLA34 END | 98.272 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.007874 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.00846 |
| HIERARCH ESO ISS AMBI TEMP | 13.78 |
| HIERARCH ESO ISS AMBI FWHM START | 0.57 |
| HIERARCH ESO ISS AMBI FWHM END | 0.57 |