Exposure
ID
MATIS.2025-07-10T09:53:05.125_1
Header ID
MATIS.2025-07-10T09:53:05.125
Date updated
2025-07-10 10:00:44 UTC+0000
Release date
2026-07-10 10:00:44 UTC+0000
UTC Start
2025-07-10 09:53:05.125
UTC End
2025-07-10 09:54:07.135
MJD Start
60866.41186487
MJD End
60866.412582578334
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.006338
Ambient temperature (°C)
12.57
Seeing (arcsec)
0.44
Observation
ID
68590
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
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 49.2760 49.3510 38.1000 38.1000
U1-U3 92.7880 92.9170 43.3000 43.3000
U1-U4 129.8260 129.8640 63.0570 62.9690
U2-U3 43.9440 43.9950 49.2000 49.1000
U2-U4 87.6440 87.5680 76.7740 76.6650
U3-U4 52.7880 52.6450 99.4640 99.3930
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 60866.41186487
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.870976
DEC 21.13428
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 49.276
HIERARCH ESO ISS PBL12 END 49.351
HIERARCH ESO ISS PBLA12 START 38.1
HIERARCH ESO ISS PBLA12 END 38.1
HIERARCH ESO ISS PBL13 START 92.788
HIERARCH ESO ISS PBL13 END 92.917
HIERARCH ESO ISS PBLA13 START 43.3
HIERARCH ESO ISS PBLA13 END 43.3
HIERARCH ESO ISS PBL14 START 129.826
HIERARCH ESO ISS PBL14 END 129.864
HIERARCH ESO ISS PBLA14 START 63.057
HIERARCH ESO ISS PBLA14 END 62.969
HIERARCH ESO ISS PBL23 START 43.944
HIERARCH ESO ISS PBL23 END 43.995
HIERARCH ESO ISS PBLA23 START 49.2
HIERARCH ESO ISS PBLA23 END 49.1
HIERARCH ESO ISS PBL24 START 87.644
HIERARCH ESO ISS PBL24 END 87.568
HIERARCH ESO ISS PBLA24 START 76.774
HIERARCH ESO ISS PBLA24 END 76.665
HIERARCH ESO ISS PBL34 START 52.788
HIERARCH ESO ISS PBL34 END 52.645
HIERARCH ESO ISS PBLA34 START 99.464
HIERARCH ESO ISS PBLA34 END 99.393
HIERARCH ESO ISS AMBI TAU0 START 0.006338
HIERARCH ESO ISS AMBI TAU0 END 0.006338
HIERARCH ESO ISS AMBI TEMP 12.57
HIERARCH ESO ISS AMBI FWHM START 0.44
HIERARCH ESO ISS AMBI FWHM END 0.44