Exposure
- ID
- MATIS.2025-08-10T06:38:57.605_1
- Header ID
- MATIS.2025-08-10T06:38:57.605
- Date updated
- 2025-08-10 06:45:44 UTC+0000
- Release date
- 2026-08-10 06:45:44 UTC+0000
- UTC Start
- 2025-08-10 06:38:57.605
- UTC End
- 2025-08-10 06:40:04.049
- MJD Start
- 60897.27705561
- MJD End
- 60897.27782463778
- Exposure time (s)
- 66.4
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.004565
- Ambient temperature (°C)
- 12.3
- Seeing (arcsec)
- 0.445
Observation
- ID
- 69715
- 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
- 51773
- Name
- HD 218396
- RA
- 346.871428
- DEC
- 21.13374
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 43.6000 | 43.7070 | 35.4000 | 35.4000 |
| U1-U3 | 82.2180 | 82.4310 | 42.5000 | 42.5000 |
| U1-U4 | 122.5270 | 122.7370 | 68.1670 | 68.0910 |
| U2-U3 | 39.3310 | 39.4300 | 50.4000 | 50.4000 |
| U2-U4 | 89.0680 | 89.1070 | 83.5430 | 83.4340 |
| U3-U4 | 60.1020 | 60.0190 | 104.4980 | 104.4060 |
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 | 60897.27705561 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY |
| HIERARCH ESO OBS TARG NAME | HD 218396 |
| RA | 346.871428 |
| DEC | 21.13374 |
| 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 | 43.6 |
| HIERARCH ESO ISS PBL12 END | 43.707 |
| HIERARCH ESO ISS PBLA12 START | 35.4 |
| HIERARCH ESO ISS PBLA12 END | 35.4 |
| HIERARCH ESO ISS PBL13 START | 82.218 |
| HIERARCH ESO ISS PBL13 END | 82.431 |
| HIERARCH ESO ISS PBLA13 START | 42.5 |
| HIERARCH ESO ISS PBLA13 END | 42.5 |
| HIERARCH ESO ISS PBL14 START | 122.527 |
| HIERARCH ESO ISS PBL14 END | 122.737 |
| HIERARCH ESO ISS PBLA14 START | 68.167 |
| HIERARCH ESO ISS PBLA14 END | 68.091 |
| HIERARCH ESO ISS PBL23 START | 39.331 |
| HIERARCH ESO ISS PBL23 END | 39.43 |
| HIERARCH ESO ISS PBLA23 START | 50.4 |
| HIERARCH ESO ISS PBLA23 END | 50.4 |
| HIERARCH ESO ISS PBL24 START | 89.068 |
| HIERARCH ESO ISS PBL24 END | 89.107 |
| HIERARCH ESO ISS PBLA24 START | 83.543 |
| HIERARCH ESO ISS PBLA24 END | 83.434 |
| HIERARCH ESO ISS PBL34 START | 60.102 |
| HIERARCH ESO ISS PBL34 END | 60.019 |
| HIERARCH ESO ISS PBLA34 START | 104.498 |
| HIERARCH ESO ISS PBLA34 END | 104.406 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004706 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004424 |
| HIERARCH ESO ISS AMBI TEMP | 12.3 |
| HIERARCH ESO ISS AMBI FWHM START | 0.44 |
| HIERARCH ESO ISS AMBI FWHM END | 0.45 |