Exposure
- ID
- MATIS.2025-08-10T07:42:02.968_1
- Header ID
- MATIS.2025-08-10T07:42:02.968
- Date updated
- 2025-08-10 07:50:43 UTC+0000
- Release date
- 2026-08-10 07:50:43 UTC+0000
- UTC Start
- 2025-08-10 07:42:02.968
- UTC End
- 2025-08-10 07:43:09.412
- MJD Start
- 60897.32086769
- MJD End
- 60897.32163671778
- Exposure time (s)
- 66.4
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0040750000000000005
- Ambient temperature (°C)
- 11.98
- Seeing (arcsec)
- 0.43
Observation
- ID
- 69776
- 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
- 51804
- Name
- HD 218396
- RA
- 346.87148
- DEC
- 21.13373
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 48.6240 | 48.7180 | 38.0000 | 38.0000 |
| U1-U3 | 91.6450 | 91.8110 | 43.4000 | 43.4000 |
| U1-U4 | 129.4200 | 129.4870 | 63.7990 | 63.6950 |
| U2-U3 | 43.4830 | 43.5510 | 49.5000 | 49.4000 |
| U2-U4 | 88.2330 | 88.1570 | 77.6920 | 77.5630 |
| U3-U4 | 53.9810 | 53.8170 | 100.0740 | 99.9870 |
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 | 60897.32086769 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY |
| HIERARCH ESO OBS TARG NAME | HD 218396 |
| RA | 346.87148 |
| 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 | 48.624 |
| HIERARCH ESO ISS PBL12 END | 48.718 |
| HIERARCH ESO ISS PBLA12 START | 38.0 |
| HIERARCH ESO ISS PBLA12 END | 38.0 |
| HIERARCH ESO ISS PBL13 START | 91.645 |
| HIERARCH ESO ISS PBL13 END | 91.811 |
| HIERARCH ESO ISS PBLA13 START | 43.4 |
| HIERARCH ESO ISS PBLA13 END | 43.4 |
| HIERARCH ESO ISS PBL14 START | 129.42 |
| HIERARCH ESO ISS PBL14 END | 129.487 |
| HIERARCH ESO ISS PBLA14 START | 63.799 |
| HIERARCH ESO ISS PBLA14 END | 63.695 |
| HIERARCH ESO ISS PBL23 START | 43.483 |
| HIERARCH ESO ISS PBL23 END | 43.551 |
| HIERARCH ESO ISS PBLA23 START | 49.5 |
| HIERARCH ESO ISS PBLA23 END | 49.4 |
| HIERARCH ESO ISS PBL24 START | 88.233 |
| HIERARCH ESO ISS PBL24 END | 88.157 |
| HIERARCH ESO ISS PBLA24 START | 77.692 |
| HIERARCH ESO ISS PBLA24 END | 77.563 |
| HIERARCH ESO ISS PBL34 START | 53.981 |
| HIERARCH ESO ISS PBL34 END | 53.817 |
| HIERARCH ESO ISS PBLA34 START | 100.074 |
| HIERARCH ESO ISS PBLA34 END | 99.987 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.00385 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.0043 |
| HIERARCH ESO ISS AMBI TEMP | 11.98 |
| HIERARCH ESO ISS AMBI FWHM START | 0.43 |
| HIERARCH ESO ISS AMBI FWHM END | 0.43 |