Exposure
- ID
- MATIS.2025-08-11T06:53:47.536_1
- Header ID
- MATIS.2025-08-11T06:53:47.536
- Date updated
- 2025-08-11 07:00:44 UTC+0000
- Release date
- 2026-08-11 07:00:44 UTC+0000
- UTC Start
- 2025-08-11 06:53:47.536
- UTC End
- 2025-08-11 06:54:53.980
- MJD Start
- 60898.28735574
- MJD End
- 60898.28812476778
- Exposure time (s)
- 66.4
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0045035
- Ambient temperature (°C)
- 14.86
- Seeing (arcsec)
- 0.4
Observation
- ID
- 69865
- 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
- 51861
- Name
- HD 218396
- RA
- 346.871621
- DEC
- 21.13369
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 45.1730 | 45.2800 | 36.5000 | 36.5000 |
| U1-U3 | 85.2830 | 85.4870 | 43.1000 | 43.1000 |
| U1-U4 | 125.3360 | 125.5070 | 66.9970 | 66.9120 |
| U2-U3 | 40.7400 | 40.8320 | 50.4000 | 50.4000 |
| U2-U4 | 89.4200 | 89.4260 | 81.8690 | 81.7510 |
| U3-U4 | 58.6730 | 58.5620 | 103.1330 | 103.0400 |
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 | 60898.28735574 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY |
| HIERARCH ESO OBS TARG NAME | HD 218396 |
| RA | 346.871621 |
| DEC | 21.13369 |
| 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 | 45.173 |
| HIERARCH ESO ISS PBL12 END | 45.28 |
| HIERARCH ESO ISS PBLA12 START | 36.5 |
| HIERARCH ESO ISS PBLA12 END | 36.5 |
| HIERARCH ESO ISS PBL13 START | 85.283 |
| HIERARCH ESO ISS PBL13 END | 85.487 |
| HIERARCH ESO ISS PBLA13 START | 43.1 |
| HIERARCH ESO ISS PBLA13 END | 43.1 |
| HIERARCH ESO ISS PBL14 START | 125.336 |
| HIERARCH ESO ISS PBL14 END | 125.507 |
| HIERARCH ESO ISS PBLA14 START | 66.997 |
| HIERARCH ESO ISS PBLA14 END | 66.912 |
| HIERARCH ESO ISS PBL23 START | 40.74 |
| HIERARCH ESO ISS PBL23 END | 40.832 |
| HIERARCH ESO ISS PBLA23 START | 50.4 |
| HIERARCH ESO ISS PBLA23 END | 50.4 |
| HIERARCH ESO ISS PBL24 START | 89.42 |
| HIERARCH ESO ISS PBL24 END | 89.426 |
| HIERARCH ESO ISS PBLA24 START | 81.869 |
| HIERARCH ESO ISS PBLA24 END | 81.751 |
| HIERARCH ESO ISS PBL34 START | 58.673 |
| HIERARCH ESO ISS PBL34 END | 58.562 |
| HIERARCH ESO ISS PBLA34 START | 103.133 |
| HIERARCH ESO ISS PBLA34 END | 103.04 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004658 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004349 |
| HIERARCH ESO ISS AMBI TEMP | 14.86 |
| HIERARCH ESO ISS AMBI FWHM START | 0.4 |
| HIERARCH ESO ISS AMBI FWHM END | 0.4 |