Exposure
ID
MATIS.2025-08-10T06:48:34.260_1
Header ID
MATIS.2025-08-10T06:48:34.260
Date updated
2025-08-10 06:55:44 UTC+0000
Release date
2026-08-10 06:55:44 UTC+0000
UTC Start
2025-08-10 06:48:34.260
UTC End
2025-08-10 06:49:36.270
MJD Start
60897.28372986
MJD End
60897.28444756833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.00619
Ambient temperature (°C)
12.28
Seeing (arcsec)
0.42
Observation
ID
69728
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
51779
Name
HD 218396
RA
346.871444
DEC
21.13373
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 44.4130 44.5000 36.0000 36.0000
U1-U3 83.8140 83.9830 42.8000 42.8000
U1-U4 124.0480 124.2020 67.5790 67.5140
U2-U3 40.0710 40.1480 50.4000 50.4000
U2-U4 89.3130 89.3310 82.6900 82.5970
U3-U4 59.4120 59.3330 103.7920 103.7170
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 60897.28372986
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871444
DEC 21.13373
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 44.413
HIERARCH ESO ISS PBL12 END 44.5
HIERARCH ESO ISS PBLA12 START 36.0
HIERARCH ESO ISS PBLA12 END 36.0
HIERARCH ESO ISS PBL13 START 83.814
HIERARCH ESO ISS PBL13 END 83.983
HIERARCH ESO ISS PBLA13 START 42.8
HIERARCH ESO ISS PBLA13 END 42.8
HIERARCH ESO ISS PBL14 START 124.048
HIERARCH ESO ISS PBL14 END 124.202
HIERARCH ESO ISS PBLA14 START 67.579
HIERARCH ESO ISS PBLA14 END 67.514
HIERARCH ESO ISS PBL23 START 40.071
HIERARCH ESO ISS PBL23 END 40.148
HIERARCH ESO ISS PBLA23 START 50.4
HIERARCH ESO ISS PBLA23 END 50.4
HIERARCH ESO ISS PBL24 START 89.313
HIERARCH ESO ISS PBL24 END 89.331
HIERARCH ESO ISS PBLA24 START 82.69
HIERARCH ESO ISS PBLA24 END 82.597
HIERARCH ESO ISS PBL34 START 59.412
HIERARCH ESO ISS PBL34 END 59.333
HIERARCH ESO ISS PBLA34 START 103.792
HIERARCH ESO ISS PBLA34 END 103.717
HIERARCH ESO ISS AMBI TAU0 START 0.00619
HIERARCH ESO ISS AMBI TAU0 END 0.00619
HIERARCH ESO ISS AMBI TEMP 12.28
HIERARCH ESO ISS AMBI FWHM START 0.42
HIERARCH ESO ISS AMBI FWHM END 0.42