Exposure
ID
MATIS.2025-08-06T05:36:51.422_1
Header ID
MATIS.2025-08-06T05:36:51.422
Date updated
2025-08-06 05:45:32 UTC+0000
Release date
2026-08-06 05:45:32 UTC+0000
UTC Start
2025-08-06 05:36:51.422
UTC End
2025-08-06 05:37:53.432
MJD Start
60893.23392849
MJD End
60893.23464619833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.00877
Ambient temperature (°C)
15.12
Seeing (arcsec)
0.715
Observation
ID
69151
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
51428
Name
HD 218396
RA
346.871544
DEC
21.13412
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 37.0080 37.0910 27.1000 27.3000
U1-U3 68.1160 68.3080 36.7000 36.8000
U1-U4 104.1660 104.4780 71.9250 71.8880
U2-U3 32.2090 32.3140 47.7000 47.7000
U2-U4 82.1430 82.2910 90.4300 90.3360
U3-U4 62.4500 62.4560 110.9290 110.8330
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 60893.23392849
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871544
DEC 21.13412
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 37.008
HIERARCH ESO ISS PBL12 END 37.091
HIERARCH ESO ISS PBLA12 START 27.1
HIERARCH ESO ISS PBLA12 END 27.3
HIERARCH ESO ISS PBL13 START 68.116
HIERARCH ESO ISS PBL13 END 68.308
HIERARCH ESO ISS PBLA13 START 36.7
HIERARCH ESO ISS PBLA13 END 36.8
HIERARCH ESO ISS PBL14 START 104.166
HIERARCH ESO ISS PBL14 END 104.478
HIERARCH ESO ISS PBLA14 START 71.925
HIERARCH ESO ISS PBLA14 END 71.888
HIERARCH ESO ISS PBL23 START 32.209
HIERARCH ESO ISS PBL23 END 32.314
HIERARCH ESO ISS PBLA23 START 47.7
HIERARCH ESO ISS PBLA23 END 47.7
HIERARCH ESO ISS PBL24 START 82.143
HIERARCH ESO ISS PBL24 END 82.291
HIERARCH ESO ISS PBLA24 START 90.43
HIERARCH ESO ISS PBLA24 END 90.336
HIERARCH ESO ISS PBL34 START 62.45
HIERARCH ESO ISS PBL34 END 62.456
HIERARCH ESO ISS PBLA34 START 110.929
HIERARCH ESO ISS PBLA34 END 110.833
HIERARCH ESO ISS AMBI TAU0 START 0.008214
HIERARCH ESO ISS AMBI TAU0 END 0.009326
HIERARCH ESO ISS AMBI TEMP 15.12
HIERARCH ESO ISS AMBI FWHM START 0.7
HIERARCH ESO ISS AMBI FWHM END 0.73