Exposure
ID
MATIS.2025-07-10T10:02:52.057_1
Header ID
MATIS.2025-07-10T10:02:52.057
Date updated
2025-07-10 10:10:40 UTC+0000
Release date
2026-07-10 10:10:40 UTC+0000
UTC Start
2025-07-10 10:02:52.057
UTC End
2025-07-10 10:03:54.067
MJD Start
60866.41865807
MJD End
60866.41937577833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.005238
Ambient temperature (°C)
12.49
Seeing (arcsec)
0.43000000000000005
Observation
ID
68594
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
51010
Name
HD 218396
RA
346.870981
DEC
21.13428
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 49.9460 50.0150 38.2000 38.2000
U1-U3 93.9410 94.0590 43.2000 43.2000
U1-U4 130.0990 130.1180 62.2290 62.1390
U2-U3 44.3950 44.4400 48.8000 48.7000
U2-U4 86.8890 86.8020 75.7620 75.6540
U3-U4 51.4300 51.2820 98.8140 98.7450
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 60866.41865807
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.870981
DEC 21.13428
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 49.946
HIERARCH ESO ISS PBL12 END 50.015
HIERARCH ESO ISS PBLA12 START 38.2
HIERARCH ESO ISS PBLA12 END 38.2
HIERARCH ESO ISS PBL13 START 93.941
HIERARCH ESO ISS PBL13 END 94.059
HIERARCH ESO ISS PBLA13 START 43.2
HIERARCH ESO ISS PBLA13 END 43.2
HIERARCH ESO ISS PBL14 START 130.099
HIERARCH ESO ISS PBL14 END 130.118
HIERARCH ESO ISS PBLA14 START 62.229
HIERARCH ESO ISS PBLA14 END 62.139
HIERARCH ESO ISS PBL23 START 44.395
HIERARCH ESO ISS PBL23 END 44.44
HIERARCH ESO ISS PBLA23 START 48.8
HIERARCH ESO ISS PBLA23 END 48.7
HIERARCH ESO ISS PBL24 START 86.889
HIERARCH ESO ISS PBL24 END 86.802
HIERARCH ESO ISS PBLA24 START 75.762
HIERARCH ESO ISS PBLA24 END 75.654
HIERARCH ESO ISS PBL34 START 51.43
HIERARCH ESO ISS PBL34 END 51.282
HIERARCH ESO ISS PBLA34 START 98.814
HIERARCH ESO ISS PBLA34 END 98.745
HIERARCH ESO ISS AMBI TAU0 START 0.005238
HIERARCH ESO ISS AMBI TAU0 END 0.005238
HIERARCH ESO ISS AMBI TEMP 12.49
HIERARCH ESO ISS AMBI FWHM START 0.46
HIERARCH ESO ISS AMBI FWHM END 0.4