Exposure
- ID
- MATIS.2025-08-07T07:47:22.817_1
- Header ID
- MATIS.2025-08-07T07:47:22.817
- Date updated
- 2025-08-07 07:56:13 UTC+0000
- Release date
- 2026-08-07 07:56:12 UTC+0000
- UTC Start
- 2025-08-07 07:47:22.817
- UTC End
- 2025-08-07 07:48:29.261
- MJD Start
- 60894.32456964
- MJD End
- 60894.325338667775
- Exposure time (s)
- 66.4
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0077385
- Ambient temperature (°C)
- 13.43
- Seeing (arcsec)
- 0.785
Observation
- ID
- 69465
- 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
- 51606
- Name
- HD 218396
- RA
- 346.871677
- DEC
- 21.13408
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 48.1510 | 48.2440 | 37.8000 | 37.9000 |
| U1-U3 | 90.8030 | 90.9700 | 43.4000 | 43.4000 |
| U1-U4 | 129.0460 | 129.1250 | 64.3040 | 64.2050 |
| U2-U3 | 43.1370 | 43.2060 | 49.7000 | 49.6000 |
| U2-U4 | 88.5790 | 88.5160 | 78.3250 | 78.2010 |
| U3-U4 | 54.7770 | 54.6240 | 100.5070 | 100.4220 |
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 | 60894.32456964 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY |
| HIERARCH ESO OBS TARG NAME | HD 218396 |
| RA | 346.871677 |
| 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 | 48.151 |
| HIERARCH ESO ISS PBL12 END | 48.244 |
| HIERARCH ESO ISS PBLA12 START | 37.8 |
| HIERARCH ESO ISS PBLA12 END | 37.9 |
| HIERARCH ESO ISS PBL13 START | 90.803 |
| HIERARCH ESO ISS PBL13 END | 90.97 |
| HIERARCH ESO ISS PBLA13 START | 43.4 |
| HIERARCH ESO ISS PBLA13 END | 43.4 |
| HIERARCH ESO ISS PBL14 START | 129.046 |
| HIERARCH ESO ISS PBL14 END | 129.125 |
| HIERARCH ESO ISS PBLA14 START | 64.304 |
| HIERARCH ESO ISS PBLA14 END | 64.205 |
| HIERARCH ESO ISS PBL23 START | 43.137 |
| HIERARCH ESO ISS PBL23 END | 43.206 |
| HIERARCH ESO ISS PBLA23 START | 49.7 |
| HIERARCH ESO ISS PBLA23 END | 49.6 |
| HIERARCH ESO ISS PBL24 START | 88.579 |
| HIERARCH ESO ISS PBL24 END | 88.516 |
| HIERARCH ESO ISS PBLA24 START | 78.325 |
| HIERARCH ESO ISS PBLA24 END | 78.201 |
| HIERARCH ESO ISS PBL34 START | 54.777 |
| HIERARCH ESO ISS PBL34 END | 54.624 |
| HIERARCH ESO ISS PBLA34 START | 100.507 |
| HIERARCH ESO ISS PBLA34 END | 100.422 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.006725 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.008752 |
| HIERARCH ESO ISS AMBI TEMP | 13.43 |
| HIERARCH ESO ISS AMBI FWHM START | 0.79 |
| HIERARCH ESO ISS AMBI FWHM END | 0.78 |