Exposure
- ID
- MATIS.2025-08-11T07:25:27.417_1
- Header ID
- MATIS.2025-08-11T07:25:27.417
- Date updated
- 2025-08-11 07:30:31 UTC+0000
- Release date
- 2026-08-11 07:30:31 UTC+0000
- UTC Start
- 2025-08-11 07:25:27.417
- UTC End
- 2025-08-11 07:26:33.861
- MJD Start
- 60898.3093451
- MJD End
- 60898.31011412778
- Exposure time (s)
- 66.4
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.004834
- Ambient temperature (°C)
- 14.94
- Seeing (arcsec)
- 0.49
Observation
- ID
- 69892
- 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
- 51875
- Name
- HD 218396
- RA
- 346.871639
- DEC
- 21.1337
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 47.6860 | 47.7740 | 37.7000 | 37.7000 |
| U1-U3 | 89.9650 | 90.1250 | 43.4000 | 43.4000 |
| U1-U4 | 128.6160 | 128.7020 | 64.7780 | 64.6900 |
| U2-U3 | 42.7870 | 42.8540 | 49.8000 | 49.8000 |
| U2-U4 | 88.8570 | 88.8080 | 78.9260 | 78.8140 |
| U3-U4 | 55.5060 | 55.3710 | 100.9290 | 100.8500 |
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 | 60898.3093451 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY |
| HIERARCH ESO OBS TARG NAME | HD 218396 |
| RA | 346.871639 |
| 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 | 47.686 |
| HIERARCH ESO ISS PBL12 END | 47.774 |
| HIERARCH ESO ISS PBLA12 START | 37.7 |
| HIERARCH ESO ISS PBLA12 END | 37.7 |
| HIERARCH ESO ISS PBL13 START | 89.965 |
| HIERARCH ESO ISS PBL13 END | 90.125 |
| HIERARCH ESO ISS PBLA13 START | 43.4 |
| HIERARCH ESO ISS PBLA13 END | 43.4 |
| HIERARCH ESO ISS PBL14 START | 128.616 |
| HIERARCH ESO ISS PBL14 END | 128.702 |
| HIERARCH ESO ISS PBLA14 START | 64.778 |
| HIERARCH ESO ISS PBLA14 END | 64.69 |
| HIERARCH ESO ISS PBL23 START | 42.787 |
| HIERARCH ESO ISS PBL23 END | 42.854 |
| HIERARCH ESO ISS PBLA23 START | 49.8 |
| HIERARCH ESO ISS PBLA23 END | 49.8 |
| HIERARCH ESO ISS PBL24 START | 88.857 |
| HIERARCH ESO ISS PBL24 END | 88.808 |
| HIERARCH ESO ISS PBLA24 START | 78.926 |
| HIERARCH ESO ISS PBLA24 END | 78.814 |
| HIERARCH ESO ISS PBL34 START | 55.506 |
| HIERARCH ESO ISS PBL34 END | 55.371 |
| HIERARCH ESO ISS PBLA34 START | 100.929 |
| HIERARCH ESO ISS PBLA34 END | 100.85 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004834 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004834 |
| HIERARCH ESO ISS AMBI TEMP | 14.94 |
| HIERARCH ESO ISS AMBI FWHM START | 0.44 |
| HIERARCH ESO ISS AMBI FWHM END | 0.54 |