Exposure
- ID
- MATIS.2025-08-07T06:55:46.826_1
- Header ID
- MATIS.2025-08-07T06:55:46.826
- Date updated
- 2025-08-07 07:05:51 UTC+0000
- Release date
- 2026-08-07 07:05:51 UTC+0000
- UTC Start
- 2025-08-07 06:55:46.826
- UTC End
- 2025-08-07 06:56:53.270
- MJD Start
- 60894.28873641
- MJD End
- 60894.28950543778
- Exposure time (s)
- 66.4
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.008168
- Ambient temperature (°C)
- 13.32
- Seeing (arcsec)
- 0.525
Observation
- ID
- 69432
- 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
- 51589
- Name
- HD 218396
- RA
- 346.871645
- DEC
- 21.13409
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 44.0270 | 44.1310 | 35.7000 | 35.8000 |
| U1-U3 | 83.0600 | 83.2640 | 42.7000 | 42.7000 |
| U1-U4 | 123.3450 | 123.5380 | 67.8610 | 67.7860 |
| U2-U3 | 39.7230 | 39.8170 | 50.4000 | 50.4000 |
| U2-U4 | 89.2130 | 89.2430 | 83.0980 | 82.9880 |
| U3-U4 | 59.7530 | 59.6630 | 104.1270 | 104.0360 |
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 | 60894.28873641 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY |
| HIERARCH ESO OBS TARG NAME | HD 218396 |
| RA | 346.871645 |
| DEC | 21.13409 |
| 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 | 44.027 |
| HIERARCH ESO ISS PBL12 END | 44.131 |
| HIERARCH ESO ISS PBLA12 START | 35.7 |
| HIERARCH ESO ISS PBLA12 END | 35.8 |
| HIERARCH ESO ISS PBL13 START | 83.06 |
| HIERARCH ESO ISS PBL13 END | 83.264 |
| HIERARCH ESO ISS PBLA13 START | 42.7 |
| HIERARCH ESO ISS PBLA13 END | 42.7 |
| HIERARCH ESO ISS PBL14 START | 123.345 |
| HIERARCH ESO ISS PBL14 END | 123.538 |
| HIERARCH ESO ISS PBLA14 START | 67.861 |
| HIERARCH ESO ISS PBLA14 END | 67.786 |
| HIERARCH ESO ISS PBL23 START | 39.723 |
| HIERARCH ESO ISS PBL23 END | 39.817 |
| HIERARCH ESO ISS PBLA23 START | 50.4 |
| HIERARCH ESO ISS PBLA23 END | 50.4 |
| HIERARCH ESO ISS PBL24 START | 89.213 |
| HIERARCH ESO ISS PBL24 END | 89.243 |
| HIERARCH ESO ISS PBLA24 START | 83.098 |
| HIERARCH ESO ISS PBLA24 END | 82.988 |
| HIERARCH ESO ISS PBL34 START | 59.753 |
| HIERARCH ESO ISS PBL34 END | 59.663 |
| HIERARCH ESO ISS PBLA34 START | 104.127 |
| HIERARCH ESO ISS PBLA34 END | 104.036 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.008168 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.008168 |
| HIERARCH ESO ISS AMBI TEMP | 13.32 |
| HIERARCH ESO ISS AMBI FWHM START | 0.5 |
| HIERARCH ESO ISS AMBI FWHM END | 0.55 |