Exposure
- ID
- MATIS.2025-08-07T08:14:29.743_1
- Header ID
- MATIS.2025-08-07T08:14:29.743
- 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 08:14:29.743
- UTC End
- 2025-08-07 08:15:31.753
- MJD Start
- 60894.3433998
- MJD End
- 60894.34411750833
- Exposure time (s)
- 62.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.00659
- Ambient temperature (°C)
- 13.79
- Seeing (arcsec)
- 0.625
Observation
- ID
- 69492
- 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
- 51619
- Name
- HD 218396
- RA
- 346.871691
- DEC
- 21.13408
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 50.0580 | 50.1290 | 38.2000 | 38.2000 |
| U1-U3 | 94.1320 | 94.2510 | 43.2000 | 43.1000 |
| U1-U4 | 130.1290 | 130.1460 | 62.0780 | 61.9880 |
| U2-U3 | 44.4690 | 44.5140 | 48.7000 | 48.7000 |
| U2-U4 | 86.7430 | 86.6530 | 75.5790 | 75.4700 |
| U3-U4 | 51.1830 | 51.0330 | 98.6970 | 98.6290 |
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 | 60894.3433998 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY |
| HIERARCH ESO OBS TARG NAME | HD 218396 |
| RA | 346.871691 |
| 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 | 50.058 |
| HIERARCH ESO ISS PBL12 END | 50.129 |
| HIERARCH ESO ISS PBLA12 START | 38.2 |
| HIERARCH ESO ISS PBLA12 END | 38.2 |
| HIERARCH ESO ISS PBL13 START | 94.132 |
| HIERARCH ESO ISS PBL13 END | 94.251 |
| HIERARCH ESO ISS PBLA13 START | 43.2 |
| HIERARCH ESO ISS PBLA13 END | 43.1 |
| HIERARCH ESO ISS PBL14 START | 130.129 |
| HIERARCH ESO ISS PBL14 END | 130.146 |
| HIERARCH ESO ISS PBLA14 START | 62.078 |
| HIERARCH ESO ISS PBLA14 END | 61.988 |
| HIERARCH ESO ISS PBL23 START | 44.469 |
| HIERARCH ESO ISS PBL23 END | 44.514 |
| HIERARCH ESO ISS PBLA23 START | 48.7 |
| HIERARCH ESO ISS PBLA23 END | 48.7 |
| HIERARCH ESO ISS PBL24 START | 86.743 |
| HIERARCH ESO ISS PBL24 END | 86.653 |
| HIERARCH ESO ISS PBLA24 START | 75.579 |
| HIERARCH ESO ISS PBLA24 END | 75.47 |
| HIERARCH ESO ISS PBL34 START | 51.183 |
| HIERARCH ESO ISS PBL34 END | 51.033 |
| HIERARCH ESO ISS PBLA34 START | 98.697 |
| HIERARCH ESO ISS PBLA34 END | 98.629 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.00659 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.00659 |
| HIERARCH ESO ISS AMBI TEMP | 13.79 |
| HIERARCH ESO ISS AMBI FWHM START | 0.65 |
| HIERARCH ESO ISS AMBI FWHM END | 0.6 |