Exposure
- ID
- MATIS.2025-08-10T06:46:54.695_1
- Header ID
- MATIS.2025-08-10T06:46:54.695
- Date updated
- 2025-08-10 06:55:44 UTC+0000
- Release date
- 2026-08-10 06:55:44 UTC+0000
- UTC Start
- 2025-08-10 06:46:54.695
- UTC End
- 2025-08-10 06:48:01.139
- MJD Start
- 60897.28257749
- MJD End
- 60897.283346517775
- Exposure time (s)
- 66.4
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.005809
- Ambient temperature (°C)
- 12.28
- Seeing (arcsec)
- 0.435
Observation
- ID
- 69725
- 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
- 51778
- Name
- HD 218396
- RA
- 346.871439
- DEC
- 21.13373
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 44.2730 | 44.3770 | 35.9000 | 35.9000 |
| U1-U3 | 83.5420 | 83.7440 | 42.8000 | 42.8000 |
| U1-U4 | 123.7970 | 123.9840 | 67.6820 | 67.6060 |
| U2-U3 | 39.9460 | 40.0390 | 50.4000 | 50.4000 |
| U2-U4 | 89.2800 | 89.3050 | 82.8380 | 82.7280 |
| U3-U4 | 59.5390 | 59.4460 | 103.9130 | 103.8240 |
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 | 60897.28257749 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY |
| HIERARCH ESO OBS TARG NAME | HD 218396 |
| RA | 346.871439 |
| DEC | 21.13373 |
| 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 | 44.273 |
| HIERARCH ESO ISS PBL12 END | 44.377 |
| HIERARCH ESO ISS PBLA12 START | 35.9 |
| HIERARCH ESO ISS PBLA12 END | 35.9 |
| HIERARCH ESO ISS PBL13 START | 83.542 |
| HIERARCH ESO ISS PBL13 END | 83.744 |
| HIERARCH ESO ISS PBLA13 START | 42.8 |
| HIERARCH ESO ISS PBLA13 END | 42.8 |
| HIERARCH ESO ISS PBL14 START | 123.797 |
| HIERARCH ESO ISS PBL14 END | 123.984 |
| HIERARCH ESO ISS PBLA14 START | 67.682 |
| HIERARCH ESO ISS PBLA14 END | 67.606 |
| HIERARCH ESO ISS PBL23 START | 39.946 |
| HIERARCH ESO ISS PBL23 END | 40.039 |
| HIERARCH ESO ISS PBLA23 START | 50.4 |
| HIERARCH ESO ISS PBLA23 END | 50.4 |
| HIERARCH ESO ISS PBL24 START | 89.28 |
| HIERARCH ESO ISS PBL24 END | 89.305 |
| HIERARCH ESO ISS PBLA24 START | 82.838 |
| HIERARCH ESO ISS PBLA24 END | 82.728 |
| HIERARCH ESO ISS PBL34 START | 59.539 |
| HIERARCH ESO ISS PBL34 END | 59.446 |
| HIERARCH ESO ISS PBLA34 START | 103.913 |
| HIERARCH ESO ISS PBLA34 END | 103.824 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.005428 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.00619 |
| HIERARCH ESO ISS AMBI TEMP | 12.28 |
| HIERARCH ESO ISS AMBI FWHM START | 0.45 |
| HIERARCH ESO ISS AMBI FWHM END | 0.42 |