Exposure
- ID
- MATIS.2025-08-09T06:46:28.726_1
- Header ID
- MATIS.2025-08-09T06:46:28.726
- Date updated
- 2025-08-09 06:50:36 UTC+0000
- Release date
- 2026-08-09 06:50:36 UTC+0000
- UTC Start
- 2025-08-09 06:46:28.726
- UTC End
- 2025-08-09 06:47:35.170
- MJD Start
- 60896.28227692
- MJD End
- 60896.28304594778
- Exposure time (s)
- 66.4
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.004944499999999999
- Ambient temperature (°C)
- 12.48
- Seeing (arcsec)
- 0.6000000000000001
Observation
- ID
- 69574
- 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
- 51680
- Name
- HD 218396
- RA
- 346.871593
- DEC
- 21.1339
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 43.9050 | 44.0140 | 35.6000 | 35.7000 |
| U1-U3 | 82.8200 | 83.0350 | 42.6000 | 42.7000 |
| U1-U4 | 123.1150 | 123.3220 | 67.9460 | 67.8670 |
| U2-U3 | 39.6110 | 39.7110 | 50.4000 | 50.4000 |
| U2-U4 | 89.1750 | 89.2090 | 83.2230 | 83.1080 |
| U3-U4 | 59.8560 | 59.7640 | 104.2300 | 104.1340 |
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 | 60896.28227692 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY |
| HIERARCH ESO OBS TARG NAME | HD 218396 |
| RA | 346.871593 |
| DEC | 21.1339 |
| 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 | 43.905 |
| HIERARCH ESO ISS PBL12 END | 44.014 |
| HIERARCH ESO ISS PBLA12 START | 35.6 |
| HIERARCH ESO ISS PBLA12 END | 35.7 |
| HIERARCH ESO ISS PBL13 START | 82.82 |
| HIERARCH ESO ISS PBL13 END | 83.035 |
| HIERARCH ESO ISS PBLA13 START | 42.6 |
| HIERARCH ESO ISS PBLA13 END | 42.7 |
| HIERARCH ESO ISS PBL14 START | 123.115 |
| HIERARCH ESO ISS PBL14 END | 123.322 |
| HIERARCH ESO ISS PBLA14 START | 67.946 |
| HIERARCH ESO ISS PBLA14 END | 67.867 |
| HIERARCH ESO ISS PBL23 START | 39.611 |
| HIERARCH ESO ISS PBL23 END | 39.711 |
| HIERARCH ESO ISS PBLA23 START | 50.4 |
| HIERARCH ESO ISS PBLA23 END | 50.4 |
| HIERARCH ESO ISS PBL24 START | 89.175 |
| HIERARCH ESO ISS PBL24 END | 89.209 |
| HIERARCH ESO ISS PBLA24 START | 83.223 |
| HIERARCH ESO ISS PBLA24 END | 83.108 |
| HIERARCH ESO ISS PBL34 START | 59.856 |
| HIERARCH ESO ISS PBL34 END | 59.764 |
| HIERARCH ESO ISS PBLA34 START | 104.23 |
| HIERARCH ESO ISS PBLA34 END | 104.134 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004625 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.005264 |
| HIERARCH ESO ISS AMBI TEMP | 12.48 |
| HIERARCH ESO ISS AMBI FWHM START | 0.65 |
| HIERARCH ESO ISS AMBI FWHM END | 0.55 |