Exposure
ID
MATIS.2025-07-10T09:33:35.820_1
Header ID
MATIS.2025-07-10T09:33:35.820
Date updated
2025-07-10 09:40:46 UTC+0000
Release date
2026-07-10 09:40:46 UTC+0000
UTC Start
2025-07-10 09:33:35.820
UTC End
2025-07-10 09:34:37.830
MJD Start
60866.39833125
MJD End
60866.39904895833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.004795499999999999
Ambient temperature (°C)
12.7
Seeing (arcsec)
0.515
Observation
ID
68572
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
50998
Name
HD 218396
RA
346.870969
DEC
21.13427
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 47.8630 47.9410 37.7000 37.8000
U1-U3 90.2860 90.4260 43.4000 43.4000
U1-U4 128.7860 128.8590 64.6000 64.5220
U2-U3 42.9220 42.9800 49.8000 49.8000
U2-U4 88.7580 88.7120 78.7010 78.6010
U3-U4 55.2340 55.1130 100.7710 100.7010
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 60866.39833125
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.870969
DEC 21.13427
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 47.863
HIERARCH ESO ISS PBL12 END 47.941
HIERARCH ESO ISS PBLA12 START 37.7
HIERARCH ESO ISS PBLA12 END 37.8
HIERARCH ESO ISS PBL13 START 90.286
HIERARCH ESO ISS PBL13 END 90.426
HIERARCH ESO ISS PBLA13 START 43.4
HIERARCH ESO ISS PBLA13 END 43.4
HIERARCH ESO ISS PBL14 START 128.786
HIERARCH ESO ISS PBL14 END 128.859
HIERARCH ESO ISS PBLA14 START 64.6
HIERARCH ESO ISS PBLA14 END 64.522
HIERARCH ESO ISS PBL23 START 42.922
HIERARCH ESO ISS PBL23 END 42.98
HIERARCH ESO ISS PBLA23 START 49.8
HIERARCH ESO ISS PBLA23 END 49.8
HIERARCH ESO ISS PBL24 START 88.758
HIERARCH ESO ISS PBL24 END 88.712
HIERARCH ESO ISS PBLA24 START 78.701
HIERARCH ESO ISS PBLA24 END 78.601
HIERARCH ESO ISS PBL34 START 55.234
HIERARCH ESO ISS PBL34 END 55.113
HIERARCH ESO ISS PBLA34 START 100.771
HIERARCH ESO ISS PBLA34 END 100.701
HIERARCH ESO ISS AMBI TAU0 START 0.004187
HIERARCH ESO ISS AMBI TAU0 END 0.005404
HIERARCH ESO ISS AMBI TEMP 12.7
HIERARCH ESO ISS AMBI FWHM START 0.49
HIERARCH ESO ISS AMBI FWHM END 0.54