Exposure
ID
MATIS.2025-08-11T07:03:47.635_1
Header ID
MATIS.2025-08-11T07:03:47.635
Date updated
2025-08-11 07:10:43 UTC+0000
Release date
2026-08-11 07:10:43 UTC+0000
UTC Start
2025-08-11 07:03:47.635
UTC End
2025-08-11 07:04:49.645
MJD Start
60898.29430133
MJD End
60898.295019038334
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.0044715
Ambient temperature (°C)
14.98
Seeing (arcsec)
0.43
Observation
ID
69872
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
51864
Name
HD 218396
RA
346.871625
DEC
21.1337
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 45.9890 46.0720 36.9000 37.0000
U1-U3 86.8310 86.9880 43.2000 43.3000
U1-U4 126.5690 126.6860 66.3300 66.2590
U2-U3 41.4320 41.5010 50.3000 50.3000
U2-U4 89.3980 89.3880 80.9580 80.8630
U3-U4 57.7740 57.6760 102.4250 102.3520
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 60898.29430133
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871625
DEC 21.1337
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 45.989
HIERARCH ESO ISS PBL12 END 46.072
HIERARCH ESO ISS PBLA12 START 36.9
HIERARCH ESO ISS PBLA12 END 37.0
HIERARCH ESO ISS PBL13 START 86.831
HIERARCH ESO ISS PBL13 END 86.988
HIERARCH ESO ISS PBLA13 START 43.2
HIERARCH ESO ISS PBLA13 END 43.3
HIERARCH ESO ISS PBL14 START 126.569
HIERARCH ESO ISS PBL14 END 126.686
HIERARCH ESO ISS PBLA14 START 66.33
HIERARCH ESO ISS PBLA14 END 66.259
HIERARCH ESO ISS PBL23 START 41.432
HIERARCH ESO ISS PBL23 END 41.501
HIERARCH ESO ISS PBLA23 START 50.3
HIERARCH ESO ISS PBLA23 END 50.3
HIERARCH ESO ISS PBL24 START 89.398
HIERARCH ESO ISS PBL24 END 89.388
HIERARCH ESO ISS PBLA24 START 80.958
HIERARCH ESO ISS PBLA24 END 80.863
HIERARCH ESO ISS PBL34 START 57.774
HIERARCH ESO ISS PBL34 END 57.676
HIERARCH ESO ISS PBLA34 START 102.425
HIERARCH ESO ISS PBLA34 END 102.352
HIERARCH ESO ISS AMBI TAU0 START 0.004585
HIERARCH ESO ISS AMBI TAU0 END 0.004358
HIERARCH ESO ISS AMBI TEMP 14.98
HIERARCH ESO ISS AMBI FWHM START 0.43
HIERARCH ESO ISS AMBI FWHM END 0.43