Exposure
- ID
- MATIS.2025-08-11T08:18:29.028_1
- Header ID
- MATIS.2025-08-11T08:18:29.028
- Date updated
- 2025-08-11 08:25:42 UTC+0000
- Release date
- 2026-08-11 08:25:42 UTC+0000
- UTC Start
- 2025-08-11 08:18:29.028
- UTC End
- 2025-08-11 08:19:31.038
- MJD Start
- 60898.3461693
- MJD End
- 60898.34688700833
- Exposure time (s)
- 62.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0033295
- Ambient temperature (°C)
- 14.87
- Seeing (arcsec)
- 0.5449999999999999
Observation
- ID
- 69931
- 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
- 51896
- Name
- HD 218396
- RA
- 346.871655
- DEC
- 21.13371
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 51.3060 | 51.3680 | 38.2000 | 38.2000 |
| U1-U3 | 96.2030 | 96.3030 | 42.7000 | 42.7000 |
| U1-U4 | 130.1290 | 130.1110 | 60.2890 | 60.1900 |
| U2-U3 | 45.2320 | 45.2670 | 47.8000 | 47.7000 |
| U2-U4 | 84.8020 | 84.6870 | 73.4300 | 73.3130 |
| U3-U4 | 48.1760 | 48.0090 | 97.3970 | 97.3290 |
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 | 60898.3461693 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY |
| HIERARCH ESO OBS TARG NAME | HD 218396 |
| RA | 346.871655 |
| DEC | 21.13371 |
| 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 | 51.306 |
| HIERARCH ESO ISS PBL12 END | 51.368 |
| HIERARCH ESO ISS PBLA12 START | 38.2 |
| HIERARCH ESO ISS PBLA12 END | 38.2 |
| HIERARCH ESO ISS PBL13 START | 96.203 |
| HIERARCH ESO ISS PBL13 END | 96.303 |
| HIERARCH ESO ISS PBLA13 START | 42.7 |
| HIERARCH ESO ISS PBLA13 END | 42.7 |
| HIERARCH ESO ISS PBL14 START | 130.129 |
| HIERARCH ESO ISS PBL14 END | 130.111 |
| HIERARCH ESO ISS PBLA14 START | 60.289 |
| HIERARCH ESO ISS PBLA14 END | 60.19 |
| HIERARCH ESO ISS PBL23 START | 45.232 |
| HIERARCH ESO ISS PBL23 END | 45.267 |
| HIERARCH ESO ISS PBLA23 START | 47.8 |
| HIERARCH ESO ISS PBLA23 END | 47.7 |
| HIERARCH ESO ISS PBL24 START | 84.802 |
| HIERARCH ESO ISS PBL24 END | 84.687 |
| HIERARCH ESO ISS PBLA24 START | 73.43 |
| HIERARCH ESO ISS PBLA24 END | 73.313 |
| HIERARCH ESO ISS PBL34 START | 48.176 |
| HIERARCH ESO ISS PBL34 END | 48.009 |
| HIERARCH ESO ISS PBLA34 START | 97.397 |
| HIERARCH ESO ISS PBLA34 END | 97.329 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003053 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003606 |
| HIERARCH ESO ISS AMBI TEMP | 14.87 |
| HIERARCH ESO ISS AMBI FWHM START | 0.6 |
| HIERARCH ESO ISS AMBI FWHM END | 0.49 |