Exposure
- ID
- MATIS.2025-08-11T07:07:04.819_1
- Header ID
- MATIS.2025-08-11T07:07:04.819
- Date updated
- 2025-08-11 07:15:45 UTC+0000
- Release date
- 2026-08-11 07:15:44 UTC+0000
- UTC Start
- 2025-08-11 07:07:04.819
- UTC End
- 2025-08-11 07:08:11.263
- MJD Start
- 60898.29658355
- MJD End
- 60898.29735257778
- Exposure time (s)
- 66.4
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0049635
- Ambient temperature (°C)
- 15.07
- Seeing (arcsec)
- 0.41500000000000004
Observation
- ID
- 69877
- 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
- 51867
- Name
- HD 218396
- RA
- 346.871626
- DEC
- 21.1337
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 46.2540 | 46.3550 | 37.1000 | 37.1000 |
| U1-U3 | 87.3290 | 87.5180 | 43.3000 | 43.3000 |
| U1-U4 | 126.9350 | 127.0710 | 66.1030 | 66.0150 |
| U2-U3 | 41.6520 | 41.7340 | 50.2000 | 50.2000 |
| U2-U4 | 89.3590 | 89.3400 | 80.6540 | 80.5370 |
| U3-U4 | 57.4570 | 57.3330 | 102.1940 | 102.1050 |
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 | 60898.29658355 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY |
| HIERARCH ESO OBS TARG NAME | HD 218396 |
| RA | 346.871626 |
| 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 | 46.254 |
| HIERARCH ESO ISS PBL12 END | 46.355 |
| HIERARCH ESO ISS PBLA12 START | 37.1 |
| HIERARCH ESO ISS PBLA12 END | 37.1 |
| HIERARCH ESO ISS PBL13 START | 87.329 |
| HIERARCH ESO ISS PBL13 END | 87.518 |
| HIERARCH ESO ISS PBLA13 START | 43.3 |
| HIERARCH ESO ISS PBLA13 END | 43.3 |
| HIERARCH ESO ISS PBL14 START | 126.935 |
| HIERARCH ESO ISS PBL14 END | 127.071 |
| HIERARCH ESO ISS PBLA14 START | 66.103 |
| HIERARCH ESO ISS PBLA14 END | 66.015 |
| HIERARCH ESO ISS PBL23 START | 41.652 |
| HIERARCH ESO ISS PBL23 END | 41.734 |
| HIERARCH ESO ISS PBLA23 START | 50.2 |
| HIERARCH ESO ISS PBLA23 END | 50.2 |
| HIERARCH ESO ISS PBL24 START | 89.359 |
| HIERARCH ESO ISS PBL24 END | 89.34 |
| HIERARCH ESO ISS PBLA24 START | 80.654 |
| HIERARCH ESO ISS PBLA24 END | 80.537 |
| HIERARCH ESO ISS PBL34 START | 57.457 |
| HIERARCH ESO ISS PBL34 END | 57.333 |
| HIERARCH ESO ISS PBLA34 START | 102.194 |
| HIERARCH ESO ISS PBLA34 END | 102.105 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004358 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.005569 |
| HIERARCH ESO ISS AMBI TEMP | 15.07 |
| HIERARCH ESO ISS AMBI FWHM START | 0.43 |
| HIERARCH ESO ISS AMBI FWHM END | 0.4 |