Exposure
- ID
- MATIS.2025-08-11T07:18:31.111_1
- Header ID
- MATIS.2025-08-11T07:18:31.111
- Date updated
- 2025-08-11 07:25:44 UTC+0000
- Release date
- 2026-08-11 07:25:44 UTC+0000
- UTC Start
- 2025-08-11 07:18:31.111
- UTC End
- 2025-08-11 07:19:37.555
- MJD Start
- 60898.30452675
- MJD End
- 60898.305295777776
- Exposure time (s)
- 66.4
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.005058
- Ambient temperature (°C)
- 15.32
- Seeing (arcsec)
- 0.365
Observation
- ID
- 69889
- 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
- 51873
- Name
- HD 218396
- RA
- 346.871629
- DEC
- 21.1337
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 47.1540 | 47.2550 | 37.5000 | 37.5000 |
| U1-U3 | 88.9970 | 89.1810 | 43.4000 | 43.4000 |
| U1-U4 | 128.0530 | 128.1650 | 65.2910 | 65.1960 |
| U2-U3 | 42.3750 | 42.4540 | 50.0000 | 50.0000 |
| U2-U4 | 89.1030 | 89.0620 | 79.5860 | 79.4630 |
| U3-U4 | 56.2790 | 56.1370 | 101.4020 | 101.3130 |
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 | 60898.30452675 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY |
| HIERARCH ESO OBS TARG NAME | HD 218396 |
| RA | 346.871629 |
| 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 | 47.154 |
| HIERARCH ESO ISS PBL12 END | 47.255 |
| HIERARCH ESO ISS PBLA12 START | 37.5 |
| HIERARCH ESO ISS PBLA12 END | 37.5 |
| HIERARCH ESO ISS PBL13 START | 88.997 |
| HIERARCH ESO ISS PBL13 END | 89.181 |
| HIERARCH ESO ISS PBLA13 START | 43.4 |
| HIERARCH ESO ISS PBLA13 END | 43.4 |
| HIERARCH ESO ISS PBL14 START | 128.053 |
| HIERARCH ESO ISS PBL14 END | 128.165 |
| HIERARCH ESO ISS PBLA14 START | 65.291 |
| HIERARCH ESO ISS PBLA14 END | 65.196 |
| HIERARCH ESO ISS PBL23 START | 42.375 |
| HIERARCH ESO ISS PBL23 END | 42.454 |
| HIERARCH ESO ISS PBLA23 START | 50.0 |
| HIERARCH ESO ISS PBLA23 END | 50.0 |
| HIERARCH ESO ISS PBL24 START | 89.103 |
| HIERARCH ESO ISS PBL24 END | 89.062 |
| HIERARCH ESO ISS PBLA24 START | 79.586 |
| HIERARCH ESO ISS PBLA24 END | 79.463 |
| HIERARCH ESO ISS PBL34 START | 56.279 |
| HIERARCH ESO ISS PBL34 END | 56.137 |
| HIERARCH ESO ISS PBLA34 START | 101.402 |
| HIERARCH ESO ISS PBLA34 END | 101.313 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.005192 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004924 |
| HIERARCH ESO ISS AMBI TEMP | 15.32 |
| HIERARCH ESO ISS AMBI FWHM START | 0.37 |
| HIERARCH ESO ISS AMBI FWHM END | 0.36 |