Exposure
ID
MATIS.2025-07-10T09:38:21.769_1
Header ID
MATIS.2025-07-10T09:38:21.769
Date updated
2025-07-10 09:45:46 UTC+0000
Release date
2026-07-10 09:45:45 UTC+0000
UTC Start
2025-07-10 09:38:21.769
UTC End
2025-07-10 09:39:23.779
MJD Start
60866.40164084
MJD End
60866.40235854833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.0053295
Ambient temperature (°C)
12.68
Seeing (arcsec)
0.575
Observation
ID
68576
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
51000
Name
HD 218396
RA
346.870972
DEC
21.13427
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 48.2190 48.2950 37.9000 37.9000
U1-U3 90.9240 91.0600 43.4000 43.4000
U1-U4 129.1030 129.1660 64.2350 64.1540
U2-U3 43.1870 43.2440 49.6000 49.6000
U2-U4 88.5340 88.4810 78.2380 78.1370
U3-U4 54.6670 54.5410 100.4480 100.3790
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 60866.40164084
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.870972
DEC 21.13427
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 48.219
HIERARCH ESO ISS PBL12 END 48.295
HIERARCH ESO ISS PBLA12 START 37.9
HIERARCH ESO ISS PBLA12 END 37.9
HIERARCH ESO ISS PBL13 START 90.924
HIERARCH ESO ISS PBL13 END 91.06
HIERARCH ESO ISS PBLA13 START 43.4
HIERARCH ESO ISS PBLA13 END 43.4
HIERARCH ESO ISS PBL14 START 129.103
HIERARCH ESO ISS PBL14 END 129.166
HIERARCH ESO ISS PBLA14 START 64.235
HIERARCH ESO ISS PBLA14 END 64.154
HIERARCH ESO ISS PBL23 START 43.187
HIERARCH ESO ISS PBL23 END 43.244
HIERARCH ESO ISS PBLA23 START 49.6
HIERARCH ESO ISS PBLA23 END 49.6
HIERARCH ESO ISS PBL24 START 88.534
HIERARCH ESO ISS PBL24 END 88.481
HIERARCH ESO ISS PBLA24 START 78.238
HIERARCH ESO ISS PBLA24 END 78.137
HIERARCH ESO ISS PBL34 START 54.667
HIERARCH ESO ISS PBL34 END 54.541
HIERARCH ESO ISS PBLA34 START 100.448
HIERARCH ESO ISS PBLA34 END 100.379
HIERARCH ESO ISS AMBI TAU0 START 0.005504
HIERARCH ESO ISS AMBI TAU0 END 0.005155
HIERARCH ESO ISS AMBI TEMP 12.68
HIERARCH ESO ISS AMBI FWHM START 0.56
HIERARCH ESO ISS AMBI FWHM END 0.59