Exposure
- ID
- MATIS.2025-08-11T06:50:28.664_1
- Header ID
- MATIS.2025-08-11T06:50:28.664
- Date updated
- 2025-08-11 07:00:44 UTC+0000
- Release date
- 2026-08-11 07:00:44 UTC+0000
- UTC Start
- 2025-08-11 06:50:28.664
- UTC End
- 2025-08-11 06:51:35.108
- MJD Start
- 60898.28505398
- MJD End
- 60898.285823007776
- Exposure time (s)
- 66.4
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.004344
- Ambient temperature (°C)
- 14.71
- Seeing (arcsec)
- 0.395
Observation
- ID
- 69861
- 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
- 51859
- Name
- HD 218396
- RA
- 346.871616
- DEC
- 21.1337
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 44.9000 | 45.0050 | 36.3000 | 36.4000 |
| U1-U3 | 84.7570 | 84.9600 | 43.0000 | 43.0000 |
| U1-U4 | 124.8880 | 125.0630 | 67.2100 | 67.1280 |
| U2-U3 | 40.5020 | 40.5940 | 50.4000 | 50.4000 |
| U2-U4 | 89.3950 | 89.4070 | 82.1670 | 82.0520 |
| U3-U4 | 58.9500 | 58.8440 | 103.3700 | 103.2790 |
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 | 60898.28505398 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY |
| HIERARCH ESO OBS TARG NAME | HD 218396 |
| RA | 346.871616 |
| DEC | 21.1337 |
| 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 | 44.9 |
| HIERARCH ESO ISS PBL12 END | 45.005 |
| HIERARCH ESO ISS PBLA12 START | 36.3 |
| HIERARCH ESO ISS PBLA12 END | 36.4 |
| HIERARCH ESO ISS PBL13 START | 84.757 |
| HIERARCH ESO ISS PBL13 END | 84.96 |
| HIERARCH ESO ISS PBLA13 START | 43.0 |
| HIERARCH ESO ISS PBLA13 END | 43.0 |
| HIERARCH ESO ISS PBL14 START | 124.888 |
| HIERARCH ESO ISS PBL14 END | 125.063 |
| HIERARCH ESO ISS PBLA14 START | 67.21 |
| HIERARCH ESO ISS PBLA14 END | 67.128 |
| HIERARCH ESO ISS PBL23 START | 40.502 |
| HIERARCH ESO ISS PBL23 END | 40.594 |
| HIERARCH ESO ISS PBLA23 START | 50.4 |
| HIERARCH ESO ISS PBLA23 END | 50.4 |
| HIERARCH ESO ISS PBL24 START | 89.395 |
| HIERARCH ESO ISS PBL24 END | 89.407 |
| HIERARCH ESO ISS PBLA24 START | 82.167 |
| HIERARCH ESO ISS PBLA24 END | 82.052 |
| HIERARCH ESO ISS PBL34 START | 58.95 |
| HIERARCH ESO ISS PBL34 END | 58.844 |
| HIERARCH ESO ISS PBLA34 START | 103.37 |
| HIERARCH ESO ISS PBLA34 END | 103.279 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004148 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.00454 |
| HIERARCH ESO ISS AMBI TEMP | 14.71 |
| HIERARCH ESO ISS AMBI FWHM START | 0.41 |
| HIERARCH ESO ISS AMBI FWHM END | 0.38 |