Exposure
- ID
- MATIS.2025-08-07T07:41:03.731_1
- Header ID
- MATIS.2025-08-07T07:41:03.731
- Date updated
- 2025-08-07 07:50:45 UTC+0000
- Release date
- 2026-08-07 07:50:44 UTC+0000
- UTC Start
- 2025-08-07 07:41:03.731
- UTC End
- 2025-08-07 07:42:10.175
- MJD Start
- 60894.32018207
- MJD End
- 60894.320951097776
- Exposure time (s)
- 66.4
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.007909
- Ambient temperature (°C)
- 13.38
- Seeing (arcsec)
- 0.725
Observation
- ID
- 69467
- 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
- 51607
- Name
- HD 218396
- RA
- 346.871676
- DEC
- 21.13408
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 47.6760 | 47.7610 | 37.7000 | 37.7000 |
| U1-U3 | 89.9470 | 90.1020 | 43.4000 | 43.4000 |
| U1-U4 | 128.6060 | 128.6900 | 64.7860 | 64.7010 |
| U2-U3 | 42.7790 | 42.8440 | 49.8000 | 49.8000 |
| U2-U4 | 88.8620 | 88.8150 | 78.9370 | 78.8280 |
| U3-U4 | 55.5210 | 55.3910 | 100.9360 | 100.8590 |
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 | 60894.32018207 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY |
| HIERARCH ESO OBS TARG NAME | HD 218396 |
| RA | 346.871676 |
| 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 | 47.676 |
| HIERARCH ESO ISS PBL12 END | 47.761 |
| HIERARCH ESO ISS PBLA12 START | 37.7 |
| HIERARCH ESO ISS PBLA12 END | 37.7 |
| HIERARCH ESO ISS PBL13 START | 89.947 |
| HIERARCH ESO ISS PBL13 END | 90.102 |
| HIERARCH ESO ISS PBLA13 START | 43.4 |
| HIERARCH ESO ISS PBLA13 END | 43.4 |
| HIERARCH ESO ISS PBL14 START | 128.606 |
| HIERARCH ESO ISS PBL14 END | 128.69 |
| HIERARCH ESO ISS PBLA14 START | 64.786 |
| HIERARCH ESO ISS PBLA14 END | 64.701 |
| HIERARCH ESO ISS PBL23 START | 42.779 |
| HIERARCH ESO ISS PBL23 END | 42.844 |
| HIERARCH ESO ISS PBLA23 START | 49.8 |
| HIERARCH ESO ISS PBLA23 END | 49.8 |
| HIERARCH ESO ISS PBL24 START | 88.862 |
| HIERARCH ESO ISS PBL24 END | 88.815 |
| HIERARCH ESO ISS PBLA24 START | 78.937 |
| HIERARCH ESO ISS PBLA24 END | 78.828 |
| HIERARCH ESO ISS PBL34 START | 55.521 |
| HIERARCH ESO ISS PBL34 END | 55.391 |
| HIERARCH ESO ISS PBLA34 START | 100.936 |
| HIERARCH ESO ISS PBLA34 END | 100.859 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.007254 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.008564 |
| HIERARCH ESO ISS AMBI TEMP | 13.38 |
| HIERARCH ESO ISS AMBI FWHM START | 0.71 |
| HIERARCH ESO ISS AMBI FWHM END | 0.74 |