Exposure
- ID
- MATIS.2025-08-10T07:55:00.668_1
- Header ID
- MATIS.2025-08-10T07:55:00.668
- Date updated
- 2025-08-10 08:05:43 UTC+0000
- Release date
- 2026-08-10 08:05:43 UTC+0000
- UTC Start
- 2025-08-10 07:55:00.668
- UTC End
- 2025-08-10 07:56:02.678
- MJD Start
- 60897.32986884
- MJD End
- 60897.330586548334
- Exposure time (s)
- 62.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0035945
- Ambient temperature (°C)
- 11.96
- Seeing (arcsec)
- 0.485
Observation
- ID
- 69787
- 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
- 51809
- Name
- HD 218396
- RA
- 346.871492
- DEC
- 21.13373
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 49.5390 | 49.6100 | 38.2000 | 38.2000 |
| U1-U3 | 93.2440 | 93.3660 | 43.3000 | 43.3000 |
| U1-U4 | 129.9520 | 129.9810 | 62.7390 | 62.6520 |
| U2-U3 | 44.1240 | 44.1720 | 49.0000 | 49.0000 |
| U2-U4 | 87.3660 | 87.2870 | 76.3830 | 76.2770 |
| U3-U4 | 52.2700 | 52.1280 | 99.2090 | 99.1400 |
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 | 60897.32986884 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY |
| HIERARCH ESO OBS TARG NAME | HD 218396 |
| RA | 346.871492 |
| DEC | 21.13373 |
| 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 | 49.539 |
| HIERARCH ESO ISS PBL12 END | 49.61 |
| HIERARCH ESO ISS PBLA12 START | 38.2 |
| HIERARCH ESO ISS PBLA12 END | 38.2 |
| HIERARCH ESO ISS PBL13 START | 93.244 |
| HIERARCH ESO ISS PBL13 END | 93.366 |
| HIERARCH ESO ISS PBLA13 START | 43.3 |
| HIERARCH ESO ISS PBLA13 END | 43.3 |
| HIERARCH ESO ISS PBL14 START | 129.952 |
| HIERARCH ESO ISS PBL14 END | 129.981 |
| HIERARCH ESO ISS PBLA14 START | 62.739 |
| HIERARCH ESO ISS PBLA14 END | 62.652 |
| HIERARCH ESO ISS PBL23 START | 44.124 |
| HIERARCH ESO ISS PBL23 END | 44.172 |
| HIERARCH ESO ISS PBLA23 START | 49.0 |
| HIERARCH ESO ISS PBLA23 END | 49.0 |
| HIERARCH ESO ISS PBL24 START | 87.366 |
| HIERARCH ESO ISS PBL24 END | 87.287 |
| HIERARCH ESO ISS PBLA24 START | 76.383 |
| HIERARCH ESO ISS PBLA24 END | 76.277 |
| HIERARCH ESO ISS PBL34 START | 52.27 |
| HIERARCH ESO ISS PBL34 END | 52.128 |
| HIERARCH ESO ISS PBLA34 START | 99.209 |
| HIERARCH ESO ISS PBLA34 END | 99.14 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003858 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003331 |
| HIERARCH ESO ISS AMBI TEMP | 11.96 |
| HIERARCH ESO ISS AMBI FWHM START | 0.48 |
| HIERARCH ESO ISS AMBI FWHM END | 0.49 |