Exposure
- ID
- MATIS.2025-08-10T08:06:23.896_1
- Header ID
- MATIS.2025-08-10T08:06:23.896
- Date updated
- 2025-08-10 08:15:42 UTC+0000
- Release date
- 2026-08-10 08:15:42 UTC+0000
- UTC Start
- 2025-08-10 08:06:23.896
- UTC End
- 2025-08-10 08:07:25.906
- MJD Start
- 60897.33777657
- MJD End
- 60897.33849427833
- Exposure time (s)
- 62.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.004268
- Ambient temperature (°C)
- 11.81
- Seeing (arcsec)
- 0.43
Observation
- ID
- 69796
- 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
- 51816
- Name
- HD 218396
- RA
- 346.871492
- DEC
- 21.13374
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 50.3030 | 50.3700 | 38.2000 | 38.2000 |
| U1-U3 | 94.5450 | 94.6580 | 43.1000 | 43.1000 |
| U1-U4 | 130.1790 | 130.1880 | 61.7550 | 61.6640 |
| U2-U3 | 44.6250 | 44.6680 | 48.6000 | 48.5000 |
| U2-U4 | 86.4180 | 86.3230 | 75.1890 | 75.0780 |
| U3-U4 | 50.6450 | 50.4920 | 98.4540 | 98.3860 |
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 | 60897.33777657 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY |
| HIERARCH ESO OBS TARG NAME | HD 218396 |
| RA | 346.871492 |
| DEC | 21.13374 |
| 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 | 50.303 |
| HIERARCH ESO ISS PBL12 END | 50.37 |
| HIERARCH ESO ISS PBLA12 START | 38.2 |
| HIERARCH ESO ISS PBLA12 END | 38.2 |
| HIERARCH ESO ISS PBL13 START | 94.545 |
| HIERARCH ESO ISS PBL13 END | 94.658 |
| HIERARCH ESO ISS PBLA13 START | 43.1 |
| HIERARCH ESO ISS PBLA13 END | 43.1 |
| HIERARCH ESO ISS PBL14 START | 130.179 |
| HIERARCH ESO ISS PBL14 END | 130.188 |
| HIERARCH ESO ISS PBLA14 START | 61.755 |
| HIERARCH ESO ISS PBLA14 END | 61.664 |
| HIERARCH ESO ISS PBL23 START | 44.625 |
| HIERARCH ESO ISS PBL23 END | 44.668 |
| HIERARCH ESO ISS PBLA23 START | 48.6 |
| HIERARCH ESO ISS PBLA23 END | 48.5 |
| HIERARCH ESO ISS PBL24 START | 86.418 |
| HIERARCH ESO ISS PBL24 END | 86.323 |
| HIERARCH ESO ISS PBLA24 START | 75.189 |
| HIERARCH ESO ISS PBLA24 END | 75.078 |
| HIERARCH ESO ISS PBL34 START | 50.645 |
| HIERARCH ESO ISS PBL34 END | 50.492 |
| HIERARCH ESO ISS PBLA34 START | 98.454 |
| HIERARCH ESO ISS PBLA34 END | 98.386 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.00409 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004446 |
| HIERARCH ESO ISS AMBI TEMP | 11.81 |
| HIERARCH ESO ISS AMBI FWHM START | 0.44 |
| HIERARCH ESO ISS AMBI FWHM END | 0.42 |