Exposure
- ID
- MATIS.2025-08-07T08:08:04.243_1
- Header ID
- MATIS.2025-08-07T08:08:04.243
- Date updated
- 2025-08-07 08:15:40 UTC+0000
- Release date
- 2026-08-07 08:15:40 UTC+0000
- UTC Start
- 2025-08-07 08:08:04.243
- UTC End
- 2025-08-07 08:09:10.687
- MJD Start
- 60894.338938
- MJD End
- 60894.33970702778
- Exposure time (s)
- 66.4
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.008343
- Ambient temperature (°C)
- 13.67
- Seeing (arcsec)
- 0.625
Observation
- ID
- 69491
- 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
- 51619
- Name
- HD 218396
- RA
- 346.871691
- DEC
- 21.13408
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 49.6270 | 49.7110 | 38.2000 | 38.2000 |
| U1-U3 | 93.3950 | 93.5400 | 43.3000 | 43.2000 |
| U1-U4 | 129.9880 | 130.0210 | 62.6300 | 62.5250 |
| U2-U3 | 44.1830 | 44.2390 | 49.0000 | 48.9000 |
| U2-U4 | 87.2680 | 87.1720 | 76.2510 | 76.1230 |
| U3-U4 | 52.0930 | 51.9220 | 99.1230 | 99.0410 |
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 | 60894.338938 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY |
| HIERARCH ESO OBS TARG NAME | HD 218396 |
| RA | 346.871691 |
| DEC | 21.13408 |
| 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 | 49.627 |
| HIERARCH ESO ISS PBL12 END | 49.711 |
| HIERARCH ESO ISS PBLA12 START | 38.2 |
| HIERARCH ESO ISS PBLA12 END | 38.2 |
| HIERARCH ESO ISS PBL13 START | 93.395 |
| HIERARCH ESO ISS PBL13 END | 93.54 |
| HIERARCH ESO ISS PBLA13 START | 43.3 |
| HIERARCH ESO ISS PBLA13 END | 43.2 |
| HIERARCH ESO ISS PBL14 START | 129.988 |
| HIERARCH ESO ISS PBL14 END | 130.021 |
| HIERARCH ESO ISS PBLA14 START | 62.63 |
| HIERARCH ESO ISS PBLA14 END | 62.525 |
| HIERARCH ESO ISS PBL23 START | 44.183 |
| HIERARCH ESO ISS PBL23 END | 44.239 |
| HIERARCH ESO ISS PBLA23 START | 49.0 |
| HIERARCH ESO ISS PBLA23 END | 48.9 |
| HIERARCH ESO ISS PBL24 START | 87.268 |
| HIERARCH ESO ISS PBL24 END | 87.172 |
| HIERARCH ESO ISS PBLA24 START | 76.251 |
| HIERARCH ESO ISS PBLA24 END | 76.123 |
| HIERARCH ESO ISS PBL34 START | 52.093 |
| HIERARCH ESO ISS PBL34 END | 51.922 |
| HIERARCH ESO ISS PBLA34 START | 99.123 |
| HIERARCH ESO ISS PBLA34 END | 99.041 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.008343 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.008343 |
| HIERARCH ESO ISS AMBI TEMP | 13.67 |
| HIERARCH ESO ISS AMBI FWHM START | 0.59 |
| HIERARCH ESO ISS AMBI FWHM END | 0.66 |