Exposure
- ID
- MATIS.2025-08-07T06:42:57.580_1
- Header ID
- MATIS.2025-08-07T06:42:57.580
- Date updated
- 2025-08-07 06:55:55 UTC+0000
- Release date
- 2026-08-07 06:55:55 UTC+0000
- UTC Start
- 2025-08-07 06:42:57.580
- UTC End
- 2025-08-07 06:44:04.024
- MJD Start
- 60894.2798331
- MJD End
- 60894.28060212778
- Exposure time (s)
- 66.4
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.008321
- Ambient temperature (°C)
- 13.44
- Seeing (arcsec)
- 0.525
Observation
- ID
- 69418
- 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
- 51582
- Name
- HD 218396
- RA
- 346.871631
- DEC
- 21.13409
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 42.9350 | 43.0320 | 34.8000 | 34.9000 |
| U1-U3 | 80.8930 | 81.0880 | 42.2000 | 42.2000 |
| U1-U4 | 121.1740 | 121.3780 | 68.6210 | 68.5560 |
| U2-U3 | 38.7060 | 38.7980 | 50.4000 | 50.4000 |
| U2-U4 | 88.7690 | 88.8180 | 84.2320 | 84.1320 |
| U3-U4 | 60.5990 | 60.5300 | 105.0830 | 104.9980 |
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 | 60894.2798331 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY |
| HIERARCH ESO OBS TARG NAME | HD 218396 |
| RA | 346.871631 |
| DEC | 21.13409 |
| 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 | 42.935 |
| HIERARCH ESO ISS PBL12 END | 43.032 |
| HIERARCH ESO ISS PBLA12 START | 34.8 |
| HIERARCH ESO ISS PBLA12 END | 34.9 |
| HIERARCH ESO ISS PBL13 START | 80.893 |
| HIERARCH ESO ISS PBL13 END | 81.088 |
| HIERARCH ESO ISS PBLA13 START | 42.2 |
| HIERARCH ESO ISS PBLA13 END | 42.2 |
| HIERARCH ESO ISS PBL14 START | 121.174 |
| HIERARCH ESO ISS PBL14 END | 121.378 |
| HIERARCH ESO ISS PBLA14 START | 68.621 |
| HIERARCH ESO ISS PBLA14 END | 68.556 |
| HIERARCH ESO ISS PBL23 START | 38.706 |
| HIERARCH ESO ISS PBL23 END | 38.798 |
| HIERARCH ESO ISS PBLA23 START | 50.4 |
| HIERARCH ESO ISS PBLA23 END | 50.4 |
| HIERARCH ESO ISS PBL24 START | 88.769 |
| HIERARCH ESO ISS PBL24 END | 88.818 |
| HIERARCH ESO ISS PBLA24 START | 84.232 |
| HIERARCH ESO ISS PBLA24 END | 84.132 |
| HIERARCH ESO ISS PBL34 START | 60.599 |
| HIERARCH ESO ISS PBL34 END | 60.53 |
| HIERARCH ESO ISS PBLA34 START | 105.083 |
| HIERARCH ESO ISS PBLA34 END | 104.998 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.008966 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.007676 |
| HIERARCH ESO ISS AMBI TEMP | 13.44 |
| HIERARCH ESO ISS AMBI FWHM START | 0.51 |
| HIERARCH ESO ISS AMBI FWHM END | 0.54 |