Exposure
ID
MATIS.2025-07-10T09:56:24.512_1
Header ID
MATIS.2025-07-10T09:56:24.512
Date updated
2025-07-10 10:06:11 UTC+0000
Release date
2026-07-10 10:06:11 UTC+0000
UTC Start
2025-07-10 09:56:24.512
UTC End
2025-07-10 09:57:30.956
MJD Start
60866.41417259
MJD End
60866.414941617775
Exposure time (s)
66.4
Validation level
1
Tau 0: Coherence time (s)
0.0064745
Ambient temperature (°C)
12.51
Seeing (arcsec)
0.485
Observation
ID
68589
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
51008
Name
HD 218396
RA
346.870976
DEC
21.13428
Instrument
Interferometer
VLTI
Instrument
MATISSE
Instrument mode
SI_PHOT_LM_MEDIUM
Instrument sub-mode
HYBRID
Stations
U1 U2 U3 U4
Projected baselines
Baseline Length start Length end Angle start Angle end
U1-U2 49.5070 49.5850 38.1000 38.2000
U1-U3 93.1890 93.3230 43.3000 43.3000
U1-U4 129.9370 129.9710 62.7790 62.6840
U2-U3 44.1020 44.1550 49.0000 49.0000
U2-U4 87.4020 87.3160 76.4330 76.3170
U3-U4 52.3360 52.1800 99.2420 99.1670
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 60866.41417259
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.870976
DEC 21.13428
HIERARCH ESO DET NAME MATISSE-LM
HIERARCH ESO INS FIL NAME LM
HIERARCH ESO INS FIL ID LM
HIERARCH ESO INS DIL NAME MED
HIERARCH ESO INS DIL ID MED
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 10.0
HIERARCH ESO DET SEQ1 PERIOD 11.074
HIERARCH ESO DET NDIT 6
HIERARCH ESO ISS PBL12 START 49.507
HIERARCH ESO ISS PBL12 END 49.585
HIERARCH ESO ISS PBLA12 START 38.1
HIERARCH ESO ISS PBLA12 END 38.2
HIERARCH ESO ISS PBL13 START 93.189
HIERARCH ESO ISS PBL13 END 93.323
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 129.971
HIERARCH ESO ISS PBLA14 START 62.779
HIERARCH ESO ISS PBLA14 END 62.684
HIERARCH ESO ISS PBL23 START 44.102
HIERARCH ESO ISS PBL23 END 44.155
HIERARCH ESO ISS PBLA23 START 49.0
HIERARCH ESO ISS PBLA23 END 49.0
HIERARCH ESO ISS PBL24 START 87.402
HIERARCH ESO ISS PBL24 END 87.316
HIERARCH ESO ISS PBLA24 START 76.433
HIERARCH ESO ISS PBLA24 END 76.317
HIERARCH ESO ISS PBL34 START 52.336
HIERARCH ESO ISS PBL34 END 52.18
HIERARCH ESO ISS PBLA34 START 99.242
HIERARCH ESO ISS PBLA34 END 99.167
HIERARCH ESO ISS AMBI TAU0 START 0.005995
HIERARCH ESO ISS AMBI TAU0 END 0.006954
HIERARCH ESO ISS AMBI TEMP 12.51
HIERARCH ESO ISS AMBI FWHM START 0.54
HIERARCH ESO ISS AMBI FWHM END 0.43