Exposure
- ID
- MATIS.2025-08-07T08:39:36.727_1
- Header ID
- MATIS.2025-08-07T08:39:36.727
- Date updated
- 2025-08-07 08:50:49 UTC+0000
- Release date
- 2026-08-07 08:50:49 UTC+0000
- UTC Start
- 2025-08-07 08:39:36.727
- UTC End
- 2025-08-07 08:40:43.171
- MJD Start
- 60894.36084175
- MJD End
- 60894.36161077778
- Exposure time (s)
- 66.4
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0063655
- Ambient temperature (°C)
- 13.43
- Seeing (arcsec)
- 0.54
Observation
- ID
- 69502
- 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
- 51625
- Name
- HD 218396
- RA
- 346.871701
- DEC
- 21.13408
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 51.6260 | 51.6930 | 38.2000 | 38.2000 |
| U1-U3 | 96.7170 | 96.8250 | 42.5000 | 42.5000 |
| U1-U4 | 130.0180 | 129.9880 | 59.7690 | 59.6550 |
| U2-U3 | 45.4110 | 45.4480 | 47.5000 | 47.4000 |
| U2-U4 | 84.1850 | 84.0470 | 72.8120 | 72.6770 |
| U3-U4 | 47.2970 | 47.1030 | 97.0400 | 96.9630 |
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 | 60894.36084175 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY |
| HIERARCH ESO OBS TARG NAME | HD 218396 |
| RA | 346.871701 |
| DEC | 21.13408 |
| 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 | 51.626 |
| HIERARCH ESO ISS PBL12 END | 51.693 |
| HIERARCH ESO ISS PBLA12 START | 38.2 |
| HIERARCH ESO ISS PBLA12 END | 38.2 |
| HIERARCH ESO ISS PBL13 START | 96.717 |
| HIERARCH ESO ISS PBL13 END | 96.825 |
| HIERARCH ESO ISS PBLA13 START | 42.5 |
| HIERARCH ESO ISS PBLA13 END | 42.5 |
| HIERARCH ESO ISS PBL14 START | 130.018 |
| HIERARCH ESO ISS PBL14 END | 129.988 |
| HIERARCH ESO ISS PBLA14 START | 59.769 |
| HIERARCH ESO ISS PBLA14 END | 59.655 |
| HIERARCH ESO ISS PBL23 START | 45.411 |
| HIERARCH ESO ISS PBL23 END | 45.448 |
| HIERARCH ESO ISS PBLA23 START | 47.5 |
| HIERARCH ESO ISS PBLA23 END | 47.4 |
| HIERARCH ESO ISS PBL24 START | 84.185 |
| HIERARCH ESO ISS PBL24 END | 84.047 |
| HIERARCH ESO ISS PBLA24 START | 72.812 |
| HIERARCH ESO ISS PBLA24 END | 72.677 |
| HIERARCH ESO ISS PBL34 START | 47.297 |
| HIERARCH ESO ISS PBL34 END | 47.103 |
| HIERARCH ESO ISS PBLA34 START | 97.04 |
| HIERARCH ESO ISS PBLA34 END | 96.963 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.006384 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.006347 |
| HIERARCH ESO ISS AMBI TEMP | 13.43 |
| HIERARCH ESO ISS AMBI FWHM START | 0.53 |
| HIERARCH ESO ISS AMBI FWHM END | 0.55 |