Exposure
ID
MATIS.2025-08-11T07:20:11.892_1
Header ID
MATIS.2025-08-11T07:20:11.892
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 07:20:11.892
UTC End
2025-08-11 07:21:13.902
MJD Start
60898.30569319
MJD End
60898.30641089833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.004924
Ambient temperature (°C)
15.27
Seeing (arcsec)
0.36
Observation
ID
69888
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
51872
Name
HD 218396
RA
346.87163
DEC
21.1337
Instrument
Interferometer
VLTI
Instrument
MATISSE
Instrument mode
HIGH_SENS_N_LOW
Instrument sub-mode
HYBRID
Stations
U1 U2 U3 U4
Projected baselines
Baseline Length start Length end Angle start Angle end
U1-U2 47.2830 47.3630 37.5000 37.6000
U1-U3 89.2330 89.3780 43.4000 43.4000
U1-U4 128.1960 128.2820 65.1690 65.0910
U2-U3 42.4760 42.5400 50.0000 49.9000
U2-U4 89.0500 89.0140 79.4280 79.3280
U3-U4 56.0970 55.9790 101.2880 101.2160
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 60898.30569319
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.87163
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 47.283
HIERARCH ESO ISS PBL12 END 47.363
HIERARCH ESO ISS PBLA12 START 37.5
HIERARCH ESO ISS PBLA12 END 37.6
HIERARCH ESO ISS PBL13 START 89.233
HIERARCH ESO ISS PBL13 END 89.378
HIERARCH ESO ISS PBLA13 START 43.4
HIERARCH ESO ISS PBLA13 END 43.4
HIERARCH ESO ISS PBL14 START 128.196
HIERARCH ESO ISS PBL14 END 128.282
HIERARCH ESO ISS PBLA14 START 65.169
HIERARCH ESO ISS PBLA14 END 65.091
HIERARCH ESO ISS PBL23 START 42.476
HIERARCH ESO ISS PBL23 END 42.54
HIERARCH ESO ISS PBLA23 START 50.0
HIERARCH ESO ISS PBLA23 END 49.9
HIERARCH ESO ISS PBL24 START 89.05
HIERARCH ESO ISS PBL24 END 89.014
HIERARCH ESO ISS PBLA24 START 79.428
HIERARCH ESO ISS PBLA24 END 79.328
HIERARCH ESO ISS PBL34 START 56.097
HIERARCH ESO ISS PBL34 END 55.979
HIERARCH ESO ISS PBLA34 START 101.288
HIERARCH ESO ISS PBLA34 END 101.216
HIERARCH ESO ISS AMBI TAU0 START 0.004924
HIERARCH ESO ISS AMBI TAU0 END 0.004924
HIERARCH ESO ISS AMBI TEMP 15.27
HIERARCH ESO ISS AMBI FWHM START 0.36
HIERARCH ESO ISS AMBI FWHM END 0.36