Exposure
ID
MATIS.2025-08-06T06:44:09.009_1
Header ID
MATIS.2025-08-06T06:44:09.009
Date updated
2025-08-06 06:55:51 UTC+0000
Release date
2026-08-06 06:55:51 UTC+0000
UTC Start
2025-08-06 06:44:09.009
UTC End
2025-08-06 06:45:11.019
MJD Start
60893.28065983
MJD End
60893.28137753833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.008565
Ambient temperature (°C)
14.74
Seeing (arcsec)
0.54
Observation
ID
69205
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
51456
Name
HD 218396
RA
346.871584
DEC
21.13408
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 42.7000 42.7910 34.6000 34.7000
U1-U3 80.4200 80.6040 42.1000 42.1000
U1-U4 120.6710 120.8680 68.7780 68.7170
U2-U3 38.4810 38.5690 50.3000 50.3000
U2-U4 88.6430 88.6940 84.4730 84.3790
U3-U4 60.7590 60.6970 105.2910 105.2100
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 60893.28065983
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871584
DEC 21.13408
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 42.7
HIERARCH ESO ISS PBL12 END 42.791
HIERARCH ESO ISS PBLA12 START 34.6
HIERARCH ESO ISS PBLA12 END 34.7
HIERARCH ESO ISS PBL13 START 80.42
HIERARCH ESO ISS PBL13 END 80.604
HIERARCH ESO ISS PBLA13 START 42.1
HIERARCH ESO ISS PBLA13 END 42.1
HIERARCH ESO ISS PBL14 START 120.671
HIERARCH ESO ISS PBL14 END 120.868
HIERARCH ESO ISS PBLA14 START 68.778
HIERARCH ESO ISS PBLA14 END 68.717
HIERARCH ESO ISS PBL23 START 38.481
HIERARCH ESO ISS PBL23 END 38.569
HIERARCH ESO ISS PBLA23 START 50.3
HIERARCH ESO ISS PBLA23 END 50.3
HIERARCH ESO ISS PBL24 START 88.643
HIERARCH ESO ISS PBL24 END 88.694
HIERARCH ESO ISS PBLA24 START 84.473
HIERARCH ESO ISS PBLA24 END 84.379
HIERARCH ESO ISS PBL34 START 60.759
HIERARCH ESO ISS PBL34 END 60.697
HIERARCH ESO ISS PBLA34 START 105.291
HIERARCH ESO ISS PBLA34 END 105.21
HIERARCH ESO ISS AMBI TAU0 START 0.008565
HIERARCH ESO ISS AMBI TAU0 END 0.008565
HIERARCH ESO ISS AMBI TEMP 14.74
HIERARCH ESO ISS AMBI FWHM START 0.54
HIERARCH ESO ISS AMBI FWHM END 0.54