Exposure
ID
MATIS.2025-08-07T05:56:37.018_1
Header ID
MATIS.2025-08-07T05:56:37.018
Date updated
2025-08-07 06:10:53 UTC+0000
Release date
2026-08-07 06:10:53 UTC+0000
UTC Start
2025-08-07 05:56:37.018
UTC End
2025-08-07 05:57:39.028
MJD Start
60894.24765067
MJD End
60894.24836837833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.008258499999999998
Ambient temperature (°C)
13.05
Seeing (arcsec)
0.595
Observation
ID
69388
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
51566
Name
HD 218396
RA
346.87163
DEC
21.13381
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 38.9560 39.0430 30.3000 30.5000
U1-U3 72.5360 72.7280 39.1000 39.2000
U1-U4 110.8690 111.1400 70.9710 70.9260
U2-U3 34.5580 34.6580 49.1000 49.1000
U2-U4 85.1670 85.2810 88.3000 88.2090
U3-U4 62.3400 62.3240 108.8120 108.7230
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 60894.24765067
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.87163
DEC 21.13381
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 38.956
HIERARCH ESO ISS PBL12 END 39.043
HIERARCH ESO ISS PBLA12 START 30.3
HIERARCH ESO ISS PBLA12 END 30.5
HIERARCH ESO ISS PBL13 START 72.536
HIERARCH ESO ISS PBL13 END 72.728
HIERARCH ESO ISS PBLA13 START 39.1
HIERARCH ESO ISS PBLA13 END 39.2
HIERARCH ESO ISS PBL14 START 110.869
HIERARCH ESO ISS PBL14 END 111.14
HIERARCH ESO ISS PBLA14 START 70.971
HIERARCH ESO ISS PBLA14 END 70.926
HIERARCH ESO ISS PBL23 START 34.558
HIERARCH ESO ISS PBL23 END 34.658
HIERARCH ESO ISS PBLA23 START 49.1
HIERARCH ESO ISS PBLA23 END 49.1
HIERARCH ESO ISS PBL24 START 85.167
HIERARCH ESO ISS PBL24 END 85.281
HIERARCH ESO ISS PBLA24 START 88.3
HIERARCH ESO ISS PBLA24 END 88.209
HIERARCH ESO ISS PBL34 START 62.34
HIERARCH ESO ISS PBL34 END 62.324
HIERARCH ESO ISS PBLA34 START 108.812
HIERARCH ESO ISS PBLA34 END 108.723
HIERARCH ESO ISS AMBI TAU0 START 0.008086
HIERARCH ESO ISS AMBI TAU0 END 0.008431
HIERARCH ESO ISS AMBI TEMP 13.05
HIERARCH ESO ISS AMBI FWHM START 0.56
HIERARCH ESO ISS AMBI FWHM END 0.63