Exposure
- ID
- MATIS.2025-08-11T07:45:37.425_1
- Header ID
- MATIS.2025-08-11T07:45:37.425
- Date updated
- 2025-08-11 07:55:31 UTC+0000
- Release date
- 2026-08-11 07:55:31 UTC+0000
- UTC Start
- 2025-08-11 07:45:37.425
- UTC End
- 2025-08-11 07:46:39.435
- MJD Start
- 60898.32334983
- MJD End
- 60898.324067538335
- Exposure time (s)
- 62.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.002974
- Ambient temperature (°C)
- 14.77
- Seeing (arcsec)
- 0.49
Observation
- ID
- 69908
- 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
- 51882
- Name
- HD 218396
- RA
- 346.87165
- DEC
- 21.1337
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 49.1600 | 49.2330 | 38.1000 | 38.1000 |
| U1-U3 | 92.5870 | 92.7130 | 43.3000 | 43.3000 |
| U1-U4 | 129.7640 | 129.8040 | 63.1930 | 63.1080 |
| U2-U3 | 43.8640 | 43.9140 | 49.2000 | 49.2000 |
| U2-U4 | 87.7580 | 87.6870 | 76.9400 | 76.8360 |
| U3-U4 | 53.0080 | 52.8700 | 99.5720 | 99.5030 |
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 | 60898.32334983 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY |
| HIERARCH ESO OBS TARG NAME | HD 218396 |
| RA | 346.87165 |
| DEC | 21.1337 |
| 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 | 49.16 |
| HIERARCH ESO ISS PBL12 END | 49.233 |
| HIERARCH ESO ISS PBLA12 START | 38.1 |
| HIERARCH ESO ISS PBLA12 END | 38.1 |
| HIERARCH ESO ISS PBL13 START | 92.587 |
| HIERARCH ESO ISS PBL13 END | 92.713 |
| HIERARCH ESO ISS PBLA13 START | 43.3 |
| HIERARCH ESO ISS PBLA13 END | 43.3 |
| HIERARCH ESO ISS PBL14 START | 129.764 |
| HIERARCH ESO ISS PBL14 END | 129.804 |
| HIERARCH ESO ISS PBLA14 START | 63.193 |
| HIERARCH ESO ISS PBLA14 END | 63.108 |
| HIERARCH ESO ISS PBL23 START | 43.864 |
| HIERARCH ESO ISS PBL23 END | 43.914 |
| HIERARCH ESO ISS PBLA23 START | 49.2 |
| HIERARCH ESO ISS PBLA23 END | 49.2 |
| HIERARCH ESO ISS PBL24 START | 87.758 |
| HIERARCH ESO ISS PBL24 END | 87.687 |
| HIERARCH ESO ISS PBLA24 START | 76.94 |
| HIERARCH ESO ISS PBLA24 END | 76.836 |
| HIERARCH ESO ISS PBL34 START | 53.008 |
| HIERARCH ESO ISS PBL34 END | 52.87 |
| HIERARCH ESO ISS PBLA34 START | 99.572 |
| HIERARCH ESO ISS PBLA34 END | 99.503 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002575 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003373 |
| HIERARCH ESO ISS AMBI TEMP | 14.77 |
| HIERARCH ESO ISS AMBI FWHM START | 0.53 |
| HIERARCH ESO ISS AMBI FWHM END | 0.45 |