Exposure
ID
MATIS.2025-08-11T06:48:50.138_1
Header ID
MATIS.2025-08-11T06:48:50.138
Date updated
2025-08-11 06:55:42 UTC+0000
Release date
2026-08-11 06:55:42 UTC+0000
UTC Start
2025-08-11 06:48:50.138
UTC End
2025-08-11 06:49:52.148
MJD Start
60898.28391364
MJD End
60898.28463134833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.004148
Ambient temperature (°C)
14.66
Seeing (arcsec)
0.41
Observation
ID
69860
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
51858
Name
HD 218396
RA
346.871618
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 44.7620 44.8510 36.2000 36.3000
U1-U3 84.4910 84.6620 42.9000 43.0000
U1-U4 124.6560 124.8060 67.3160 67.2480
U2-U3 40.3810 40.4590 50.4000 50.4000
U2-U4 89.3770 89.3890 82.3160 82.2200
U3-U4 59.0840 58.9980 103.4900 103.4130
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 60898.28391364
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871618
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 44.762
HIERARCH ESO ISS PBL12 END 44.851
HIERARCH ESO ISS PBLA12 START 36.2
HIERARCH ESO ISS PBLA12 END 36.3
HIERARCH ESO ISS PBL13 START 84.491
HIERARCH ESO ISS PBL13 END 84.662
HIERARCH ESO ISS PBLA13 START 42.9
HIERARCH ESO ISS PBLA13 END 43.0
HIERARCH ESO ISS PBL14 START 124.656
HIERARCH ESO ISS PBL14 END 124.806
HIERARCH ESO ISS PBLA14 START 67.316
HIERARCH ESO ISS PBLA14 END 67.248
HIERARCH ESO ISS PBL23 START 40.381
HIERARCH ESO ISS PBL23 END 40.459
HIERARCH ESO ISS PBLA23 START 50.4
HIERARCH ESO ISS PBLA23 END 50.4
HIERARCH ESO ISS PBL24 START 89.377
HIERARCH ESO ISS PBL24 END 89.389
HIERARCH ESO ISS PBLA24 START 82.316
HIERARCH ESO ISS PBLA24 END 82.22
HIERARCH ESO ISS PBL34 START 59.084
HIERARCH ESO ISS PBL34 END 58.998
HIERARCH ESO ISS PBLA34 START 103.49
HIERARCH ESO ISS PBLA34 END 103.413
HIERARCH ESO ISS AMBI TAU0 START 0.004148
HIERARCH ESO ISS AMBI TAU0 END 0.004148
HIERARCH ESO ISS AMBI TEMP 14.66
HIERARCH ESO ISS AMBI FWHM START 0.41
HIERARCH ESO ISS AMBI FWHM END 0.41