Exposure
- ID
- MATIS.2025-08-11T07:47:05.724_1
- Header ID
- MATIS.2025-08-11T07:47:05.724
- Date updated
- 2025-08-11 07:55:31 UTC+0000
- Release date
- 2026-08-11 07:55:31 UTC+0000
- UTC Start
- 2025-08-11 07:47:05.724
- UTC End
- 2025-08-11 07:48:12.168
- MJD Start
- 60898.32437181
- MJD End
- 60898.32514083778
- Exposure time (s)
- 66.4
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.003688
- Ambient temperature (°C)
- 14.75
- Seeing (arcsec)
- 0.44
Observation
- ID
- 69907
- 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
- 51882
- Name
- HD 218396
- RA
- 346.87165
- DEC
- 21.1337
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 49.2630 | 49.3540 | 38.1000 | 38.1000 |
| U1-U3 | 92.7660 | 92.9230 | 43.3000 | 43.3000 |
| U1-U4 | 129.8200 | 129.8660 | 63.0720 | 62.9640 |
| U2-U3 | 43.9350 | 43.9970 | 49.2000 | 49.1000 |
| U2-U4 | 87.6570 | 87.5640 | 76.7920 | 76.6590 |
| U3-U4 | 52.8120 | 52.6370 | 99.4740 | 99.3880 |
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 | 60898.32437181 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY |
| HIERARCH ESO OBS TARG NAME | HD 218396 |
| RA | 346.87165 |
| 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 | 49.263 |
| HIERARCH ESO ISS PBL12 END | 49.354 |
| HIERARCH ESO ISS PBLA12 START | 38.1 |
| HIERARCH ESO ISS PBLA12 END | 38.1 |
| HIERARCH ESO ISS PBL13 START | 92.766 |
| HIERARCH ESO ISS PBL13 END | 92.923 |
| HIERARCH ESO ISS PBLA13 START | 43.3 |
| HIERARCH ESO ISS PBLA13 END | 43.3 |
| HIERARCH ESO ISS PBL14 START | 129.82 |
| HIERARCH ESO ISS PBL14 END | 129.866 |
| HIERARCH ESO ISS PBLA14 START | 63.072 |
| HIERARCH ESO ISS PBLA14 END | 62.964 |
| HIERARCH ESO ISS PBL23 START | 43.935 |
| HIERARCH ESO ISS PBL23 END | 43.997 |
| HIERARCH ESO ISS PBLA23 START | 49.2 |
| HIERARCH ESO ISS PBLA23 END | 49.1 |
| HIERARCH ESO ISS PBL24 START | 87.657 |
| HIERARCH ESO ISS PBL24 END | 87.564 |
| HIERARCH ESO ISS PBLA24 START | 76.792 |
| HIERARCH ESO ISS PBLA24 END | 76.659 |
| HIERARCH ESO ISS PBL34 START | 52.812 |
| HIERARCH ESO ISS PBL34 END | 52.637 |
| HIERARCH ESO ISS PBLA34 START | 99.474 |
| HIERARCH ESO ISS PBLA34 END | 99.388 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003373 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004003 |
| HIERARCH ESO ISS AMBI TEMP | 14.75 |
| HIERARCH ESO ISS AMBI FWHM START | 0.45 |
| HIERARCH ESO ISS AMBI FWHM END | 0.43 |