Exposure
- ID
- MATIS.2025-08-11T08:13:33.596_1
- Header ID
- MATIS.2025-08-11T08:13:33.596
- Date updated
- 2025-08-11 08:20:44 UTC+0000
- Release date
- 2026-08-11 08:20:44 UTC+0000
- UTC Start
- 2025-08-11 08:13:33.596
- UTC End
- 2025-08-11 08:14:40.040
- MJD Start
- 60898.34274995
- MJD End
- 60898.34351897778
- Exposure time (s)
- 66.4
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.003726
- Ambient temperature (°C)
- 14.8
- Seeing (arcsec)
- 0.49
Observation
- ID
- 69923
- 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
- 51891
- Name
- HD 218396
- RA
- 346.87166
- DEC
- 21.1337
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 51.0060 | 51.0820 | 38.2000 | 38.2000 |
| U1-U3 | 95.7140 | 95.8380 | 42.8000 | 42.8000 |
| U1-U4 | 130.1890 | 130.1780 | 60.7520 | 60.6370 |
| U2-U3 | 45.0570 | 45.1020 | 48.0000 | 48.0000 |
| U2-U4 | 85.3340 | 85.2040 | 73.9830 | 73.8460 |
| U3-U4 | 48.9590 | 48.7650 | 97.7230 | 97.6420 |
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 | 60898.34274995 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY |
| HIERARCH ESO OBS TARG NAME | HD 218396 |
| RA | 346.87166 |
| 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 | 51.006 |
| HIERARCH ESO ISS PBL12 END | 51.082 |
| HIERARCH ESO ISS PBLA12 START | 38.2 |
| HIERARCH ESO ISS PBLA12 END | 38.2 |
| HIERARCH ESO ISS PBL13 START | 95.714 |
| HIERARCH ESO ISS PBL13 END | 95.838 |
| HIERARCH ESO ISS PBLA13 START | 42.8 |
| HIERARCH ESO ISS PBLA13 END | 42.8 |
| HIERARCH ESO ISS PBL14 START | 130.189 |
| HIERARCH ESO ISS PBL14 END | 130.178 |
| HIERARCH ESO ISS PBLA14 START | 60.752 |
| HIERARCH ESO ISS PBLA14 END | 60.637 |
| HIERARCH ESO ISS PBL23 START | 45.057 |
| HIERARCH ESO ISS PBL23 END | 45.102 |
| HIERARCH ESO ISS PBLA23 START | 48.0 |
| HIERARCH ESO ISS PBLA23 END | 48.0 |
| HIERARCH ESO ISS PBL24 START | 85.334 |
| HIERARCH ESO ISS PBL24 END | 85.204 |
| HIERARCH ESO ISS PBLA24 START | 73.983 |
| HIERARCH ESO ISS PBLA24 END | 73.846 |
| HIERARCH ESO ISS PBL34 START | 48.959 |
| HIERARCH ESO ISS PBL34 END | 48.765 |
| HIERARCH ESO ISS PBLA34 START | 97.723 |
| HIERARCH ESO ISS PBLA34 END | 97.642 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003576 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003876 |
| HIERARCH ESO ISS AMBI TEMP | 14.8 |
| HIERARCH ESO ISS AMBI FWHM START | 0.45 |
| HIERARCH ESO ISS AMBI FWHM END | 0.53 |