Exposure
- ID
- MATIS.2025-08-07T08:09:40.488_1
- Header ID
- MATIS.2025-08-07T08:09:40.488
- Date updated
- 2025-08-07 08:20:49 UTC+0000
- Release date
- 2026-08-07 08:20:49 UTC+0000
- UTC Start
- 2025-08-07 08:09:40.488
- UTC End
- 2025-08-07 08:10:42.498
- MJD Start
- 60894.34005195
- MJD End
- 60894.34076965833
- Exposure time (s)
- 62.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.00732
- Ambient temperature (°C)
- 13.71
- Seeing (arcsec)
- 0.66
Observation
- ID
- 69494
- 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
- 51620
- Name
- HD 218396
- RA
- 346.871694
- DEC
- 21.13408
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 49.7360 | 49.8060 | 38.2000 | 38.2000 |
| U1-U3 | 93.5820 | 93.7020 | 43.2000 | 43.2000 |
| U1-U4 | 130.0300 | 130.0550 | 62.4940 | 62.4060 |
| U2-U3 | 44.2560 | 44.3030 | 48.9000 | 48.9000 |
| U2-U4 | 87.1430 | 87.0600 | 76.0850 | 75.9770 |
| U3-U4 | 51.8700 | 51.7250 | 99.0170 | 98.9490 |
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 | 60894.34005195 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY |
| HIERARCH ESO OBS TARG NAME | HD 218396 |
| RA | 346.871694 |
| DEC | 21.13408 |
| HIERARCH ESO DET NAME | MATISSE-N |
| HIERARCH ESO INS DIN NAME | LOW |
| HIERARCH ESO INS DIN ID | LOW |
| 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 | 0.0200088 |
| HIERARCH ESO DET SEQ1 PERIOD | 0.026 |
| HIERARCH ESO DET NDIT | 2385 |
| HIERARCH ESO ISS PBL12 START | 49.736 |
| HIERARCH ESO ISS PBL12 END | 49.806 |
| HIERARCH ESO ISS PBLA12 START | 38.2 |
| HIERARCH ESO ISS PBLA12 END | 38.2 |
| HIERARCH ESO ISS PBL13 START | 93.582 |
| HIERARCH ESO ISS PBL13 END | 93.702 |
| HIERARCH ESO ISS PBLA13 START | 43.2 |
| HIERARCH ESO ISS PBLA13 END | 43.2 |
| HIERARCH ESO ISS PBL14 START | 130.03 |
| HIERARCH ESO ISS PBL14 END | 130.055 |
| HIERARCH ESO ISS PBLA14 START | 62.494 |
| HIERARCH ESO ISS PBLA14 END | 62.406 |
| HIERARCH ESO ISS PBL23 START | 44.256 |
| HIERARCH ESO ISS PBL23 END | 44.303 |
| HIERARCH ESO ISS PBLA23 START | 48.9 |
| HIERARCH ESO ISS PBLA23 END | 48.9 |
| HIERARCH ESO ISS PBL24 START | 87.143 |
| HIERARCH ESO ISS PBL24 END | 87.06 |
| HIERARCH ESO ISS PBLA24 START | 76.085 |
| HIERARCH ESO ISS PBLA24 END | 75.977 |
| HIERARCH ESO ISS PBL34 START | 51.87 |
| HIERARCH ESO ISS PBL34 END | 51.725 |
| HIERARCH ESO ISS PBLA34 START | 99.017 |
| HIERARCH ESO ISS PBLA34 END | 98.949 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.00732 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.00732 |
| HIERARCH ESO ISS AMBI TEMP | 13.71 |
| HIERARCH ESO ISS AMBI FWHM START | 0.66 |
| HIERARCH ESO ISS AMBI FWHM END | 0.66 |