Exposure
ID
MATIS.2025-08-07T07:56:47.692_1
Header ID
MATIS.2025-08-07T07:56:47.692
Date updated
2025-08-07 08:05:46 UTC+0000
Release date
2026-08-07 08:05:46 UTC+0000
UTC Start
2025-08-07 07:56:47.692
UTC End
2025-08-07 07:57:49.702
MJD Start
60894.33110755
MJD End
60894.331825258334
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.0086175
Ambient temperature (°C)
13.57
Seeing (arcsec)
0.64
Observation
ID
69480
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
51613
Name
HD 218396
RA
346.871683
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 48.8360 48.9120 38.0000 38.0000
U1-U3 92.0190 92.1530 43.4000 43.4000
U1-U4 129.5670 129.6160 63.5620 63.4760
U2-U3 43.6360 43.6900 49.4000 49.3000
U2-U4 88.0560 87.9890 77.3980 77.2910
U3-U4 53.6050 53.4680 99.8760 99.8040
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 60894.33110755
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871683
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 48.836
HIERARCH ESO ISS PBL12 END 48.912
HIERARCH ESO ISS PBLA12 START 38.0
HIERARCH ESO ISS PBLA12 END 38.0
HIERARCH ESO ISS PBL13 START 92.019
HIERARCH ESO ISS PBL13 END 92.153
HIERARCH ESO ISS PBLA13 START 43.4
HIERARCH ESO ISS PBLA13 END 43.4
HIERARCH ESO ISS PBL14 START 129.567
HIERARCH ESO ISS PBL14 END 129.616
HIERARCH ESO ISS PBLA14 START 63.562
HIERARCH ESO ISS PBLA14 END 63.476
HIERARCH ESO ISS PBL23 START 43.636
HIERARCH ESO ISS PBL23 END 43.69
HIERARCH ESO ISS PBLA23 START 49.4
HIERARCH ESO ISS PBLA23 END 49.3
HIERARCH ESO ISS PBL24 START 88.056
HIERARCH ESO ISS PBL24 END 87.989
HIERARCH ESO ISS PBLA24 START 77.398
HIERARCH ESO ISS PBLA24 END 77.291
HIERARCH ESO ISS PBL34 START 53.605
HIERARCH ESO ISS PBL34 END 53.468
HIERARCH ESO ISS PBLA34 START 99.876
HIERARCH ESO ISS PBLA34 END 99.804
HIERARCH ESO ISS AMBI TAU0 START 0.009154
HIERARCH ESO ISS AMBI TAU0 END 0.008081
HIERARCH ESO ISS AMBI TEMP 13.57
HIERARCH ESO ISS AMBI FWHM START 0.64
HIERARCH ESO ISS AMBI FWHM END 0.64