Exposure
- ID
- MATIS.2025-08-11T08:31:35.466_1
- Header ID
- MATIS.2025-08-11T08:31:35.466
- Date updated
- 2025-08-11 08:40:42 UTC+0000
- Release date
- 2026-08-11 08:40:42 UTC+0000
- UTC Start
- 2025-08-11 08:31:35.466
- UTC End
- 2025-08-11 08:32:37.476
- MJD Start
- 60898.3552716
- MJD End
- 60898.35598930833
- Exposure time (s)
- 62.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.00473
- Ambient temperature (°C)
- 14.99
- Seeing (arcsec)
- 0.4
Observation
- ID
- 69937
- 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
- 51899
- Name
- HD 218396
- RA
- 346.871663
- DEC
- 21.13371
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 52.0640 | 52.1210 | 38.1000 | 38.1000 |
| U1-U3 | 97.4090 | 97.4990 | 42.3000 | 42.3000 |
| U1-U4 | 129.7790 | 129.7400 | 59.0080 | 58.9040 |
| U2-U3 | 45.6440 | 45.6740 | 47.1000 | 47.0000 |
| U2-U4 | 83.2450 | 83.1140 | 71.9090 | 71.7850 |
| U3-U4 | 46.0020 | 45.8240 | 96.5300 | 96.4620 |
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 | 60898.3552716 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY |
| HIERARCH ESO OBS TARG NAME | HD 218396 |
| RA | 346.871663 |
| DEC | 21.13371 |
| 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 | 52.064 |
| HIERARCH ESO ISS PBL12 END | 52.121 |
| HIERARCH ESO ISS PBLA12 START | 38.1 |
| HIERARCH ESO ISS PBLA12 END | 38.1 |
| HIERARCH ESO ISS PBL13 START | 97.409 |
| HIERARCH ESO ISS PBL13 END | 97.499 |
| HIERARCH ESO ISS PBLA13 START | 42.3 |
| HIERARCH ESO ISS PBLA13 END | 42.3 |
| HIERARCH ESO ISS PBL14 START | 129.779 |
| HIERARCH ESO ISS PBL14 END | 129.74 |
| HIERARCH ESO ISS PBLA14 START | 59.008 |
| HIERARCH ESO ISS PBLA14 END | 58.904 |
| HIERARCH ESO ISS PBL23 START | 45.644 |
| HIERARCH ESO ISS PBL23 END | 45.674 |
| HIERARCH ESO ISS PBLA23 START | 47.1 |
| HIERARCH ESO ISS PBLA23 END | 47.0 |
| HIERARCH ESO ISS PBL24 START | 83.245 |
| HIERARCH ESO ISS PBL24 END | 83.114 |
| HIERARCH ESO ISS PBLA24 START | 71.909 |
| HIERARCH ESO ISS PBLA24 END | 71.785 |
| HIERARCH ESO ISS PBL34 START | 46.002 |
| HIERARCH ESO ISS PBL34 END | 45.824 |
| HIERARCH ESO ISS PBLA34 START | 96.53 |
| HIERARCH ESO ISS PBLA34 END | 96.462 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004375 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.005085 |
| HIERARCH ESO ISS AMBI TEMP | 14.99 |
| HIERARCH ESO ISS AMBI FWHM START | 0.43 |
| HIERARCH ESO ISS AMBI FWHM END | 0.37 |