Exposure
ID
MATIS.2025-08-11T07:50:36.436_1
Header ID
MATIS.2025-08-11T07:50:36.436
Date updated
2025-08-11 08:00:43 UTC+0000
Release date
2026-08-11 08:00:43 UTC+0000
UTC Start
2025-08-11 07:50:36.436
UTC End
2025-08-11 07:51:38.446
MJD Start
60898.3268106
MJD End
60898.327528308335
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.004727
Ambient temperature (°C)
14.7
Seeing (arcsec)
0.395
Observation
ID
69914
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
51886
Name
HD 218396
RA
346.871653
DEC
21.1337
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 49.5060 49.5790 38.2000 38.2000
U1-U3 93.1860 93.3130 43.3000 43.3000
U1-U4 129.9370 129.9690 62.7800 62.6910
U2-U3 44.1010 44.1510 49.0000 49.0000
U2-U4 87.4030 87.3220 76.4340 76.3240
U3-U4 52.3370 52.1900 99.2420 99.1710
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 60898.3268106
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871653
DEC 21.1337
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 49.506
HIERARCH ESO ISS PBL12 END 49.579
HIERARCH ESO ISS PBLA12 START 38.2
HIERARCH ESO ISS PBLA12 END 38.2
HIERARCH ESO ISS PBL13 START 93.186
HIERARCH ESO ISS PBL13 END 93.313
HIERARCH ESO ISS PBLA13 START 43.3
HIERARCH ESO ISS PBLA13 END 43.3
HIERARCH ESO ISS PBL14 START 129.937
HIERARCH ESO ISS PBL14 END 129.969
HIERARCH ESO ISS PBLA14 START 62.78
HIERARCH ESO ISS PBLA14 END 62.691
HIERARCH ESO ISS PBL23 START 44.101
HIERARCH ESO ISS PBL23 END 44.151
HIERARCH ESO ISS PBLA23 START 49.0
HIERARCH ESO ISS PBLA23 END 49.0
HIERARCH ESO ISS PBL24 START 87.403
HIERARCH ESO ISS PBL24 END 87.322
HIERARCH ESO ISS PBLA24 START 76.434
HIERARCH ESO ISS PBLA24 END 76.324
HIERARCH ESO ISS PBL34 START 52.337
HIERARCH ESO ISS PBL34 END 52.19
HIERARCH ESO ISS PBLA34 START 99.242
HIERARCH ESO ISS PBLA34 END 99.171
HIERARCH ESO ISS AMBI TAU0 START 0.004003
HIERARCH ESO ISS AMBI TAU0 END 0.005451
HIERARCH ESO ISS AMBI TEMP 14.7
HIERARCH ESO ISS AMBI FWHM START 0.43
HIERARCH ESO ISS AMBI FWHM END 0.36