Exposure
ID
MATIS.2025-08-06T06:01:03.959_1
Header ID
MATIS.2025-08-06T06:01:03.959
Date updated
2025-08-06 06:10:42 UTC+0000
Release date
2026-08-06 06:10:42 UTC+0000
UTC Start
2025-08-06 06:01:03.959
UTC End
2025-08-06 06:02:05.969
MJD Start
60893.25074027
MJD End
60893.25145797833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.0093035
Ambient temperature (°C)
15.11
Seeing (arcsec)
0.57
Observation
ID
69175
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
51441
Name
HD 218396
RA
346.871551
DEC
21.1341
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 39.0000 39.0870 30.4000 30.5000
U1-U3 72.6330 72.8250 39.2000 39.3000
U1-U4 111.0070 111.2770 70.9480 70.9030
U2-U3 34.6090 34.7080 49.1000 49.2000
U2-U4 85.2250 85.3390 88.2540 88.1620
U3-U4 62.3320 62.3150 108.7670 108.6780
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 60893.25074027
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871551
DEC 21.1341
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 39.0
HIERARCH ESO ISS PBL12 END 39.087
HIERARCH ESO ISS PBLA12 START 30.4
HIERARCH ESO ISS PBLA12 END 30.5
HIERARCH ESO ISS PBL13 START 72.633
HIERARCH ESO ISS PBL13 END 72.825
HIERARCH ESO ISS PBLA13 START 39.2
HIERARCH ESO ISS PBLA13 END 39.3
HIERARCH ESO ISS PBL14 START 111.007
HIERARCH ESO ISS PBL14 END 111.277
HIERARCH ESO ISS PBLA14 START 70.948
HIERARCH ESO ISS PBLA14 END 70.903
HIERARCH ESO ISS PBL23 START 34.609
HIERARCH ESO ISS PBL23 END 34.708
HIERARCH ESO ISS PBLA23 START 49.1
HIERARCH ESO ISS PBLA23 END 49.2
HIERARCH ESO ISS PBL24 START 85.225
HIERARCH ESO ISS PBL24 END 85.339
HIERARCH ESO ISS PBLA24 START 88.254
HIERARCH ESO ISS PBLA24 END 88.162
HIERARCH ESO ISS PBL34 START 62.332
HIERARCH ESO ISS PBL34 END 62.315
HIERARCH ESO ISS PBLA34 START 108.767
HIERARCH ESO ISS PBLA34 END 108.678
HIERARCH ESO ISS AMBI TAU0 START 0.009
HIERARCH ESO ISS AMBI TAU0 END 0.009607
HIERARCH ESO ISS AMBI TEMP 15.11
HIERARCH ESO ISS AMBI FWHM START 0.57
HIERARCH ESO ISS AMBI FWHM END 0.57