Exposure
- ID
- MATIS.2025-08-09T06:41:18.658_1
- Header ID
- MATIS.2025-08-09T06:41:18.658
- Date updated
- 2025-08-09 06:50:36 UTC+0000
- Release date
- 2026-08-09 06:50:36 UTC+0000
- UTC Start
- 2025-08-09 06:41:18.658
- UTC End
- 2025-08-09 06:42:25.102
- MJD Start
- 60896.27868817
- MJD End
- 60896.27945719778
- Exposure time (s)
- 66.4
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.004852
- Ambient temperature (°C)
- 12.39
- Seeing (arcsec)
- 0.59
Observation
- ID
- 69570
- 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
- 51678
- Name
- HD 218396
- RA
- 346.871586
- DEC
- 21.1339
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 43.4660 | 43.5770 | 35.3000 | 35.3000 |
| U1-U3 | 81.9530 | 82.1720 | 42.4000 | 42.5000 |
| U1-U4 | 122.2630 | 122.4820 | 68.2560 | 68.1790 |
| U2-U3 | 39.2060 | 39.3090 | 50.4000 | 50.4000 |
| U2-U4 | 89.0140 | 89.0580 | 83.6810 | 83.5660 |
| U3-U4 | 60.2090 | 60.1220 | 104.6130 | 104.5160 |
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 | 60896.27868817 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY |
| HIERARCH ESO OBS TARG NAME | HD 218396 |
| RA | 346.871586 |
| DEC | 21.1339 |
| 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 | 43.466 |
| HIERARCH ESO ISS PBL12 END | 43.577 |
| HIERARCH ESO ISS PBLA12 START | 35.3 |
| HIERARCH ESO ISS PBLA12 END | 35.3 |
| HIERARCH ESO ISS PBL13 START | 81.953 |
| HIERARCH ESO ISS PBL13 END | 82.172 |
| HIERARCH ESO ISS PBLA13 START | 42.4 |
| HIERARCH ESO ISS PBLA13 END | 42.5 |
| HIERARCH ESO ISS PBL14 START | 122.263 |
| HIERARCH ESO ISS PBL14 END | 122.482 |
| HIERARCH ESO ISS PBLA14 START | 68.256 |
| HIERARCH ESO ISS PBLA14 END | 68.179 |
| HIERARCH ESO ISS PBL23 START | 39.206 |
| HIERARCH ESO ISS PBL23 END | 39.309 |
| HIERARCH ESO ISS PBLA23 START | 50.4 |
| HIERARCH ESO ISS PBLA23 END | 50.4 |
| HIERARCH ESO ISS PBL24 START | 89.014 |
| HIERARCH ESO ISS PBL24 END | 89.058 |
| HIERARCH ESO ISS PBLA24 START | 83.681 |
| HIERARCH ESO ISS PBLA24 END | 83.566 |
| HIERARCH ESO ISS PBL34 START | 60.209 |
| HIERARCH ESO ISS PBL34 END | 60.122 |
| HIERARCH ESO ISS PBLA34 START | 104.613 |
| HIERARCH ESO ISS PBLA34 END | 104.516 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.005417 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004287 |
| HIERARCH ESO ISS AMBI TEMP | 12.39 |
| HIERARCH ESO ISS AMBI FWHM START | 0.59 |
| HIERARCH ESO ISS AMBI FWHM END | 0.59 |