Exposure
- ID
- MATIS.2025-08-07T08:42:47.663_1
- Header ID
- MATIS.2025-08-07T08:42:47.663
- Date updated
- 2025-08-07 08:55:48 UTC+0000
- Release date
- 2026-08-07 08:55:48 UTC+0000
- UTC Start
- 2025-08-07 08:42:47.663
- UTC End
- 2025-08-07 08:43:49.673
- MJD Start
- 60894.36305166
- MJD End
- 60894.363769368334
- Exposure time (s)
- 62.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0078525
- Ambient temperature (°C)
- 13.29
- Seeing (arcsec)
- 0.475
Observation
- ID
- 69504
- 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
- 51624
- Name
- HD 218396
- RA
- 346.871702
- DEC
- 21.13408
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 51.8080 | 51.8690 | 38.1000 | 38.1000 |
| U1-U3 | 97.0070 | 97.1030 | 42.4000 | 42.4000 |
| U1-U4 | 129.9310 | 129.8980 | 59.4580 | 59.3530 |
| U2-U3 | 45.5100 | 45.5420 | 47.3000 | 47.3000 |
| U2-U4 | 83.8070 | 83.6770 | 72.4440 | 72.3180 |
| U3-U4 | 46.7700 | 46.5910 | 96.8300 | 96.7590 |
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 | 60894.36305166 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY |
| HIERARCH ESO OBS TARG NAME | HD 218396 |
| RA | 346.871702 |
| DEC | 21.13408 |
| HIERARCH ESO DET NAME | MATISSE-N |
| HIERARCH ESO INS DIN NAME | LOW |
| HIERARCH ESO INS DIN ID | LOW |
| 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 | 0.0200088 |
| HIERARCH ESO DET SEQ1 PERIOD | 0.026 |
| HIERARCH ESO DET NDIT | 2385 |
| HIERARCH ESO ISS PBL12 START | 51.808 |
| HIERARCH ESO ISS PBL12 END | 51.869 |
| HIERARCH ESO ISS PBLA12 START | 38.1 |
| HIERARCH ESO ISS PBLA12 END | 38.1 |
| HIERARCH ESO ISS PBL13 START | 97.007 |
| HIERARCH ESO ISS PBL13 END | 97.103 |
| HIERARCH ESO ISS PBLA13 START | 42.4 |
| HIERARCH ESO ISS PBLA13 END | 42.4 |
| HIERARCH ESO ISS PBL14 START | 129.931 |
| HIERARCH ESO ISS PBL14 END | 129.898 |
| HIERARCH ESO ISS PBLA14 START | 59.458 |
| HIERARCH ESO ISS PBLA14 END | 59.353 |
| HIERARCH ESO ISS PBL23 START | 45.51 |
| HIERARCH ESO ISS PBL23 END | 45.542 |
| HIERARCH ESO ISS PBLA23 START | 47.3 |
| HIERARCH ESO ISS PBLA23 END | 47.3 |
| HIERARCH ESO ISS PBL24 START | 83.807 |
| HIERARCH ESO ISS PBL24 END | 83.677 |
| HIERARCH ESO ISS PBLA24 START | 72.444 |
| HIERARCH ESO ISS PBLA24 END | 72.318 |
| HIERARCH ESO ISS PBL34 START | 46.77 |
| HIERARCH ESO ISS PBL34 END | 46.591 |
| HIERARCH ESO ISS PBLA34 START | 96.83 |
| HIERARCH ESO ISS PBLA34 END | 96.759 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.007638 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.008067 |
| HIERARCH ESO ISS AMBI TEMP | 13.29 |
| HIERARCH ESO ISS AMBI FWHM START | 0.5 |
| HIERARCH ESO ISS AMBI FWHM END | 0.45 |