Exposure
- ID
- MATIS.2025-08-11T07:25:28.072_1
- Header ID
- MATIS.2025-08-11T07:25:28.072
- Date updated
- 2025-08-11 07:35:43 UTC+0000
- Release date
- 2026-08-11 07:35:43 UTC+0000
- UTC Start
- 2025-08-11 07:25:28.072
- UTC End
- 2025-08-11 07:26:30.082
- MJD Start
- 60898.30935269
- MJD End
- 60898.31007039833
- Exposure time (s)
- 62.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.004834
- Ambient temperature (°C)
- 14.94
- Seeing (arcsec)
- 0.44
Observation
- ID
- 69894
- 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
- 51875
- Name
- HD 218396
- RA
- 346.871639
- DEC
- 21.1337
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 47.6860 | 47.7660 | 37.7000 | 37.7000 |
| U1-U3 | 89.9650 | 90.1110 | 43.4000 | 43.4000 |
| U1-U4 | 128.6160 | 128.6940 | 64.7780 | 64.6970 |
| U2-U3 | 42.7870 | 42.8480 | 49.8000 | 49.8000 |
| U2-U4 | 88.8570 | 88.8130 | 78.9260 | 78.8240 |
| U3-U4 | 55.5060 | 55.3830 | 100.9290 | 100.8560 |
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 | 60898.30935269 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY |
| HIERARCH ESO OBS TARG NAME | HD 218396 |
| RA | 346.871639 |
| 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 | 47.686 |
| HIERARCH ESO ISS PBL12 END | 47.766 |
| HIERARCH ESO ISS PBLA12 START | 37.7 |
| HIERARCH ESO ISS PBLA12 END | 37.7 |
| HIERARCH ESO ISS PBL13 START | 89.965 |
| HIERARCH ESO ISS PBL13 END | 90.111 |
| HIERARCH ESO ISS PBLA13 START | 43.4 |
| HIERARCH ESO ISS PBLA13 END | 43.4 |
| HIERARCH ESO ISS PBL14 START | 128.616 |
| HIERARCH ESO ISS PBL14 END | 128.694 |
| HIERARCH ESO ISS PBLA14 START | 64.778 |
| HIERARCH ESO ISS PBLA14 END | 64.697 |
| HIERARCH ESO ISS PBL23 START | 42.787 |
| HIERARCH ESO ISS PBL23 END | 42.848 |
| HIERARCH ESO ISS PBLA23 START | 49.8 |
| HIERARCH ESO ISS PBLA23 END | 49.8 |
| HIERARCH ESO ISS PBL24 START | 88.857 |
| HIERARCH ESO ISS PBL24 END | 88.813 |
| HIERARCH ESO ISS PBLA24 START | 78.926 |
| HIERARCH ESO ISS PBLA24 END | 78.824 |
| HIERARCH ESO ISS PBL34 START | 55.506 |
| HIERARCH ESO ISS PBL34 END | 55.383 |
| HIERARCH ESO ISS PBLA34 START | 100.929 |
| HIERARCH ESO ISS PBLA34 END | 100.856 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004834 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004834 |
| HIERARCH ESO ISS AMBI TEMP | 14.94 |
| HIERARCH ESO ISS AMBI FWHM START | 0.44 |
| HIERARCH ESO ISS AMBI FWHM END | 0.44 |