Exposure
ID
MATIS.2025-08-09T06:48:25.095_1
Header ID
MATIS.2025-08-09T06:48:25.095
Date updated
2025-08-09 06:55:44 UTC+0000
Release date
2026-08-09 06:55:44 UTC+0000
UTC Start
2025-08-09 06:48:25.095
UTC End
2025-08-09 06:49:27.105
MJD Start
60896.28362379
MJD End
60896.28434149833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.0053714999999999995
Ambient temperature (°C)
12.52
Seeing (arcsec)
0.55
Observation
ID
69579
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
51682
Name
HD 218396
RA
346.871594
DEC
21.1339
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 44.0680 44.1570 35.7000 35.8000
U1-U3 83.1400 83.3150 42.7000 42.7000
U1-U4 123.4210 123.5860 67.8280 67.7640
U2-U3 39.7600 39.8410 50.4000 50.4000
U2-U4 89.2250 89.2500 83.0510 82.9570
U3-U4 59.7180 59.6410 104.0880 104.0100
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 60896.28362379
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871594
DEC 21.1339
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 44.068
HIERARCH ESO ISS PBL12 END 44.157
HIERARCH ESO ISS PBLA12 START 35.7
HIERARCH ESO ISS PBLA12 END 35.8
HIERARCH ESO ISS PBL13 START 83.14
HIERARCH ESO ISS PBL13 END 83.315
HIERARCH ESO ISS PBLA13 START 42.7
HIERARCH ESO ISS PBLA13 END 42.7
HIERARCH ESO ISS PBL14 START 123.421
HIERARCH ESO ISS PBL14 END 123.586
HIERARCH ESO ISS PBLA14 START 67.828
HIERARCH ESO ISS PBLA14 END 67.764
HIERARCH ESO ISS PBL23 START 39.76
HIERARCH ESO ISS PBL23 END 39.841
HIERARCH ESO ISS PBLA23 START 50.4
HIERARCH ESO ISS PBLA23 END 50.4
HIERARCH ESO ISS PBL24 START 89.225
HIERARCH ESO ISS PBL24 END 89.25
HIERARCH ESO ISS PBLA24 START 83.051
HIERARCH ESO ISS PBLA24 END 82.957
HIERARCH ESO ISS PBL34 START 59.718
HIERARCH ESO ISS PBL34 END 59.641
HIERARCH ESO ISS PBLA34 START 104.088
HIERARCH ESO ISS PBLA34 END 104.01
HIERARCH ESO ISS AMBI TAU0 START 0.005264
HIERARCH ESO ISS AMBI TAU0 END 0.005479
HIERARCH ESO ISS AMBI TEMP 12.52
HIERARCH ESO ISS AMBI FWHM START 0.55
HIERARCH ESO ISS AMBI FWHM END 0.55