Exposure
ID
MATIS.2025-08-06T07:54:52.311_1
Header ID
MATIS.2025-08-06T07:54:52.311
Date updated
2025-08-06 08:05:52 UTC+0000
Release date
2026-08-06 08:05:52 UTC+0000
UTC Start
2025-08-06 07:54:52.311
UTC End
2025-08-06 07:55:54.321
MJD Start
60893.32977212
MJD End
60893.33048982833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.007594
Ambient temperature (°C)
14.07
Seeing (arcsec)
0.56
Observation
ID
69263
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
51486
Name
HD 218396
RA
346.871629
DEC
21.13407
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 48.4130 48.4890 37.9000 37.9000
U1-U3 91.2710 91.4050 43.4000 43.4000
U1-U4 129.2610 129.3200 64.0260 63.9450
U2-U3 43.3300 43.3860 49.6000 49.5000
U2-U4 88.3950 88.3390 77.9760 77.8750
U3-U4 54.3420 54.2140 100.2670 100.1980
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 60893.32977212
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871629
DEC 21.13407
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 48.413
HIERARCH ESO ISS PBL12 END 48.489
HIERARCH ESO ISS PBLA12 START 37.9
HIERARCH ESO ISS PBLA12 END 37.9
HIERARCH ESO ISS PBL13 START 91.271
HIERARCH ESO ISS PBL13 END 91.405
HIERARCH ESO ISS PBLA13 START 43.4
HIERARCH ESO ISS PBLA13 END 43.4
HIERARCH ESO ISS PBL14 START 129.261
HIERARCH ESO ISS PBL14 END 129.32
HIERARCH ESO ISS PBLA14 START 64.026
HIERARCH ESO ISS PBLA14 END 63.945
HIERARCH ESO ISS PBL23 START 43.33
HIERARCH ESO ISS PBL23 END 43.386
HIERARCH ESO ISS PBLA23 START 49.6
HIERARCH ESO ISS PBLA23 END 49.5
HIERARCH ESO ISS PBL24 START 88.395
HIERARCH ESO ISS PBL24 END 88.339
HIERARCH ESO ISS PBLA24 START 77.976
HIERARCH ESO ISS PBLA24 END 77.875
HIERARCH ESO ISS PBL34 START 54.342
HIERARCH ESO ISS PBL34 END 54.214
HIERARCH ESO ISS PBLA34 START 100.267
HIERARCH ESO ISS PBLA34 END 100.198
HIERARCH ESO ISS AMBI TAU0 START 0.007594
HIERARCH ESO ISS AMBI TAU0 END 0.007594
HIERARCH ESO ISS AMBI TEMP 14.07
HIERARCH ESO ISS AMBI FWHM START 0.56
HIERARCH ESO ISS AMBI FWHM END 0.56