Exposure
- ID
- MATIS.2025-08-11T07:23:32.028_1
- Header ID
- MATIS.2025-08-11T07:23:32.028
- Date updated
- 2025-08-11 07:30:31 UTC+0000
- Release date
- 2026-08-11 07:30:31 UTC+0000
- UTC Start
- 2025-08-11 07:23:32.028
- UTC End
- 2025-08-11 07:24:34.038
- MJD Start
- 60898.30800958
- MJD End
- 60898.308727288335
- Exposure time (s)
- 62.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0050025
- Ambient temperature (°C)
- 15.07
- Seeing (arcsec)
- 0.42
Observation
- ID
- 69891
- 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
- 51874
- Name
- HD 218396
- RA
- 346.871633
- DEC
- 21.1337
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 47.5390 | 47.6200 | 37.6000 | 37.7000 |
| U1-U3 | 89.6980 | 89.8460 | 43.4000 | 43.4000 |
| U1-U4 | 128.4670 | 128.5500 | 64.9220 | 64.8430 |
| U2-U3 | 42.6740 | 42.7370 | 49.9000 | 49.9000 |
| U2-U4 | 88.9320 | 88.8910 | 79.1110 | 79.0090 |
| U3-U4 | 55.7260 | 55.6050 | 101.0600 | 100.9880 |
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 | 60898.30800958 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY |
| HIERARCH ESO OBS TARG NAME | HD 218396 |
| RA | 346.871633 |
| DEC | 21.1337 |
| HIERARCH ESO DET NAME | MATISSE-N |
| HIERARCH ESO INS DIN NAME | LOW |
| HIERARCH ESO INS DIN ID | LOW |
| 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 | 0.0200088 |
| HIERARCH ESO DET SEQ1 PERIOD | 0.026 |
| HIERARCH ESO DET NDIT | 2385 |
| HIERARCH ESO ISS PBL12 START | 47.539 |
| HIERARCH ESO ISS PBL12 END | 47.62 |
| HIERARCH ESO ISS PBLA12 START | 37.6 |
| HIERARCH ESO ISS PBLA12 END | 37.7 |
| HIERARCH ESO ISS PBL13 START | 89.698 |
| HIERARCH ESO ISS PBL13 END | 89.846 |
| HIERARCH ESO ISS PBLA13 START | 43.4 |
| HIERARCH ESO ISS PBLA13 END | 43.4 |
| HIERARCH ESO ISS PBL14 START | 128.467 |
| HIERARCH ESO ISS PBL14 END | 128.55 |
| HIERARCH ESO ISS PBLA14 START | 64.922 |
| HIERARCH ESO ISS PBLA14 END | 64.843 |
| HIERARCH ESO ISS PBL23 START | 42.674 |
| HIERARCH ESO ISS PBL23 END | 42.737 |
| HIERARCH ESO ISS PBLA23 START | 49.9 |
| HIERARCH ESO ISS PBLA23 END | 49.9 |
| HIERARCH ESO ISS PBL24 START | 88.932 |
| HIERARCH ESO ISS PBL24 END | 88.891 |
| HIERARCH ESO ISS PBLA24 START | 79.111 |
| HIERARCH ESO ISS PBLA24 END | 79.009 |
| HIERARCH ESO ISS PBL34 START | 55.726 |
| HIERARCH ESO ISS PBL34 END | 55.605 |
| HIERARCH ESO ISS PBLA34 START | 101.06 |
| HIERARCH ESO ISS PBLA34 END | 100.988 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.005105 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.0049 |
| HIERARCH ESO ISS AMBI TEMP | 15.07 |
| HIERARCH ESO ISS AMBI FWHM START | 0.41 |
| HIERARCH ESO ISS AMBI FWHM END | 0.43 |