Exposure
ID
MATIS.2025-08-06T06:02:41.727_1
Header ID
MATIS.2025-08-06T06:02:41.727
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 06:02:41.727
UTC End
2025-08-06 06:03:43.737
MJD Start
60893.25187184
MJD End
60893.252589548334
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.009793
Ambient temperature (°C)
15.17
Seeing (arcsec)
0.525
Observation
ID
69171
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
51439
Name
HD 218396
RA
346.871552
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 39.1380 39.2250 30.6000 30.7000
U1-U3 72.9370 73.1290 39.3000 39.4000
U1-U4 111.4330 111.7000 70.8760 70.8300
U2-U3 34.7660 34.8650 49.2000 49.2000
U2-U4 85.4040 85.5150 88.1090 88.0180
U3-U4 62.3040 62.2860 108.6270 108.5390
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 60893.25187184
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871552
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 39.138
HIERARCH ESO ISS PBL12 END 39.225
HIERARCH ESO ISS PBLA12 START 30.6
HIERARCH ESO ISS PBLA12 END 30.7
HIERARCH ESO ISS PBL13 START 72.937
HIERARCH ESO ISS PBL13 END 73.129
HIERARCH ESO ISS PBLA13 START 39.3
HIERARCH ESO ISS PBLA13 END 39.4
HIERARCH ESO ISS PBL14 START 111.433
HIERARCH ESO ISS PBL14 END 111.7
HIERARCH ESO ISS PBLA14 START 70.876
HIERARCH ESO ISS PBLA14 END 70.83
HIERARCH ESO ISS PBL23 START 34.766
HIERARCH ESO ISS PBL23 END 34.865
HIERARCH ESO ISS PBLA23 START 49.2
HIERARCH ESO ISS PBLA23 END 49.2
HIERARCH ESO ISS PBL24 START 85.404
HIERARCH ESO ISS PBL24 END 85.515
HIERARCH ESO ISS PBLA24 START 88.109
HIERARCH ESO ISS PBLA24 END 88.018
HIERARCH ESO ISS PBL34 START 62.304
HIERARCH ESO ISS PBL34 END 62.286
HIERARCH ESO ISS PBLA34 START 108.627
HIERARCH ESO ISS PBLA34 END 108.539
HIERARCH ESO ISS AMBI TAU0 START 0.010452
HIERARCH ESO ISS AMBI TAU0 END 0.009134
HIERARCH ESO ISS AMBI TEMP 15.17
HIERARCH ESO ISS AMBI FWHM START 0.53
HIERARCH ESO ISS AMBI FWHM END 0.52