Exposure
- ID
- MATIS.2025-08-11T07:48:46.931_1
- Header ID
- MATIS.2025-08-11T07:48:46.931
- Date updated
- 2025-08-11 08:00:43 UTC+0000
- Release date
- 2026-08-11 08:00:43 UTC+0000
- UTC Start
- 2025-08-11 07:48:46.931
- UTC End
- 2025-08-11 07:49:53.375
- MJD Start
- 60898.32554318
- MJD End
- 60898.32631220778
- Exposure time (s)
- 66.4
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.004003
- Ambient temperature (°C)
- 14.74
- Seeing (arcsec)
- 0.43
Observation
- ID
- 69911
- 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
- 51885
- Name
- HD 218396
- RA
- 346.871652
- DEC
- 21.1337
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 49.3820 | 49.4690 | 38.1000 | 38.1000 |
| U1-U3 | 92.9710 | 93.1230 | 43.3000 | 43.3000 |
| U1-U4 | 129.8790 | 129.9210 | 62.9310 | 62.8250 |
| U2-U3 | 44.0160 | 44.0760 | 49.1000 | 49.1000 |
| U2-U4 | 87.5350 | 87.4420 | 76.6180 | 76.4890 |
| U3-U4 | 52.5820 | 52.4100 | 99.3610 | 99.2770 |
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 | 60898.32554318 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY |
| HIERARCH ESO OBS TARG NAME | HD 218396 |
| RA | 346.871652 |
| DEC | 21.1337 |
| 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 | 49.382 |
| HIERARCH ESO ISS PBL12 END | 49.469 |
| HIERARCH ESO ISS PBLA12 START | 38.1 |
| HIERARCH ESO ISS PBLA12 END | 38.1 |
| HIERARCH ESO ISS PBL13 START | 92.971 |
| HIERARCH ESO ISS PBL13 END | 93.123 |
| HIERARCH ESO ISS PBLA13 START | 43.3 |
| HIERARCH ESO ISS PBLA13 END | 43.3 |
| HIERARCH ESO ISS PBL14 START | 129.879 |
| HIERARCH ESO ISS PBL14 END | 129.921 |
| HIERARCH ESO ISS PBLA14 START | 62.931 |
| HIERARCH ESO ISS PBLA14 END | 62.825 |
| HIERARCH ESO ISS PBL23 START | 44.016 |
| HIERARCH ESO ISS PBL23 END | 44.076 |
| HIERARCH ESO ISS PBLA23 START | 49.1 |
| HIERARCH ESO ISS PBLA23 END | 49.1 |
| HIERARCH ESO ISS PBL24 START | 87.535 |
| HIERARCH ESO ISS PBL24 END | 87.442 |
| HIERARCH ESO ISS PBLA24 START | 76.618 |
| HIERARCH ESO ISS PBLA24 END | 76.489 |
| HIERARCH ESO ISS PBL34 START | 52.582 |
| HIERARCH ESO ISS PBL34 END | 52.41 |
| HIERARCH ESO ISS PBLA34 START | 99.361 |
| HIERARCH ESO ISS PBLA34 END | 99.277 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004003 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004003 |
| HIERARCH ESO ISS AMBI TEMP | 14.74 |
| HIERARCH ESO ISS AMBI FWHM START | 0.43 |
| HIERARCH ESO ISS AMBI FWHM END | 0.43 |