Exposure
- ID
- MATIS.2025-08-10T06:27:39.423_1
- Header ID
- MATIS.2025-08-10T06:27:39.423
- Date updated
- 2025-08-10 06:35:44 UTC+0000
- Release date
- 2026-08-10 06:35:44 UTC+0000
- UTC Start
- 2025-08-10 06:27:39.423
- UTC End
- 2025-08-10 06:28:45.867
- MJD Start
- 60897.26920629
- MJD End
- 60897.26997531778
- Exposure time (s)
- 66.4
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0053585
- Ambient temperature (°C)
- 12.37
- Seeing (arcsec)
- 0.47
Observation
- ID
- 69703
- 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
- 51767
- Name
- HD 218396
- RA
- 346.87142
- DEC
- 21.13374
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 42.6330 | 42.7310 | 34.6000 | 34.6000 |
| U1-U3 | 80.2860 | 80.4820 | 42.0000 | 42.1000 |
| U1-U4 | 120.5270 | 120.7380 | 68.8220 | 68.7580 |
| U2-U3 | 38.4170 | 38.5100 | 50.3000 | 50.3000 |
| U2-U4 | 88.6060 | 88.6600 | 84.5420 | 84.4420 |
| U3-U4 | 60.8030 | 60.7380 | 105.3510 | 105.2650 |
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 | 60897.26920629 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY |
| HIERARCH ESO OBS TARG NAME | HD 218396 |
| RA | 346.87142 |
| DEC | 21.13374 |
| 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 | 42.633 |
| HIERARCH ESO ISS PBL12 END | 42.731 |
| HIERARCH ESO ISS PBLA12 START | 34.6 |
| HIERARCH ESO ISS PBLA12 END | 34.6 |
| HIERARCH ESO ISS PBL13 START | 80.286 |
| HIERARCH ESO ISS PBL13 END | 80.482 |
| HIERARCH ESO ISS PBLA13 START | 42.0 |
| HIERARCH ESO ISS PBLA13 END | 42.1 |
| HIERARCH ESO ISS PBL14 START | 120.527 |
| HIERARCH ESO ISS PBL14 END | 120.738 |
| HIERARCH ESO ISS PBLA14 START | 68.822 |
| HIERARCH ESO ISS PBLA14 END | 68.758 |
| HIERARCH ESO ISS PBL23 START | 38.417 |
| HIERARCH ESO ISS PBL23 END | 38.51 |
| HIERARCH ESO ISS PBLA23 START | 50.3 |
| HIERARCH ESO ISS PBLA23 END | 50.3 |
| HIERARCH ESO ISS PBL24 START | 88.606 |
| HIERARCH ESO ISS PBL24 END | 88.66 |
| HIERARCH ESO ISS PBLA24 START | 84.542 |
| HIERARCH ESO ISS PBLA24 END | 84.442 |
| HIERARCH ESO ISS PBL34 START | 60.803 |
| HIERARCH ESO ISS PBL34 END | 60.738 |
| HIERARCH ESO ISS PBLA34 START | 105.351 |
| HIERARCH ESO ISS PBLA34 END | 105.265 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.005354 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.005363 |
| HIERARCH ESO ISS AMBI TEMP | 12.37 |
| HIERARCH ESO ISS AMBI FWHM START | 0.51 |
| HIERARCH ESO ISS AMBI FWHM END | 0.43 |