Exposure
- ID
- MATIS.2025-08-11T08:28:14.750_1
- Header ID
- MATIS.2025-08-11T08:28:14.750
- Date updated
- 2025-08-11 08:35:31 UTC+0000
- Release date
- 2026-08-11 08:35:31 UTC+0000
- UTC Start
- 2025-08-11 08:28:14.750
- UTC End
- 2025-08-11 08:29:21.194
- MJD Start
- 60898.3529485
- MJD End
- 60898.35371752778
- Exposure time (s)
- 66.4
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0045505
- Ambient temperature (°C)
- 15.0
- Seeing (arcsec)
- 0.395
Observation
- ID
- 69938
- 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
- 51900
- Name
- HD 218396
- RA
- 346.871662
- DEC
- 21.13371
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 51.8760 | 51.9390 | 38.1000 | 38.1000 |
| U1-U3 | 97.1150 | 97.2130 | 42.4000 | 42.4000 |
| U1-U4 | 129.8940 | 129.8580 | 59.3410 | 59.2320 |
| U2-U3 | 45.5460 | 45.5790 | 47.3000 | 47.2000 |
| U2-U4 | 83.6610 | 83.5250 | 72.3040 | 72.1740 |
| U3-U4 | 46.5680 | 46.3820 | 96.7510 | 96.6780 |
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 | 60898.3529485 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY |
| HIERARCH ESO OBS TARG NAME | HD 218396 |
| RA | 346.871662 |
| DEC | 21.13371 |
| 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 | 51.876 |
| HIERARCH ESO ISS PBL12 END | 51.939 |
| HIERARCH ESO ISS PBLA12 START | 38.1 |
| HIERARCH ESO ISS PBLA12 END | 38.1 |
| HIERARCH ESO ISS PBL13 START | 97.115 |
| HIERARCH ESO ISS PBL13 END | 97.213 |
| HIERARCH ESO ISS PBLA13 START | 42.4 |
| HIERARCH ESO ISS PBLA13 END | 42.4 |
| HIERARCH ESO ISS PBL14 START | 129.894 |
| HIERARCH ESO ISS PBL14 END | 129.858 |
| HIERARCH ESO ISS PBLA14 START | 59.341 |
| HIERARCH ESO ISS PBLA14 END | 59.232 |
| HIERARCH ESO ISS PBL23 START | 45.546 |
| HIERARCH ESO ISS PBL23 END | 45.579 |
| HIERARCH ESO ISS PBLA23 START | 47.3 |
| HIERARCH ESO ISS PBLA23 END | 47.2 |
| HIERARCH ESO ISS PBL24 START | 83.661 |
| HIERARCH ESO ISS PBL24 END | 83.525 |
| HIERARCH ESO ISS PBLA24 START | 72.304 |
| HIERARCH ESO ISS PBLA24 END | 72.174 |
| HIERARCH ESO ISS PBL34 START | 46.568 |
| HIERARCH ESO ISS PBL34 END | 46.382 |
| HIERARCH ESO ISS PBLA34 START | 96.751 |
| HIERARCH ESO ISS PBLA34 END | 96.678 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004358 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004743 |
| HIERARCH ESO ISS AMBI TEMP | 15.0 |
| HIERARCH ESO ISS AMBI FWHM START | 0.43 |
| HIERARCH ESO ISS AMBI FWHM END | 0.36 |