Exposure
ID
MATIS.2025-08-06T06:47:26.880_1
Header ID
MATIS.2025-08-06T06:47:26.880
Date updated
2025-08-06 06:55:51 UTC+0000
Release date
2026-08-06 06:55:51 UTC+0000
UTC Start
2025-08-06 06:47:26.880
UTC End
2025-08-06 06:48:28.890
MJD Start
60893.28295
MJD End
60893.28366770833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.008744
Ambient temperature (°C)
14.69
Seeing (arcsec)
0.48
Observation
ID
69209
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
51458
Name
HD 218396
RA
346.871588
DEC
21.13408
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 42.9830 43.0740 34.9000 34.9000
U1-U3 80.9890 81.1720 42.2000 42.3000
U1-U4 121.2750 121.4650 68.5890 68.5280
U2-U3 38.7510 38.8380 50.4000 50.4000
U2-U4 88.7940 88.8390 84.1830 84.0890
U3-U4 60.5650 60.5000 105.0410 104.9600
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 60893.28295
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871588
DEC 21.13408
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 42.983
HIERARCH ESO ISS PBL12 END 43.074
HIERARCH ESO ISS PBLA12 START 34.9
HIERARCH ESO ISS PBLA12 END 34.9
HIERARCH ESO ISS PBL13 START 80.989
HIERARCH ESO ISS PBL13 END 81.172
HIERARCH ESO ISS PBLA13 START 42.2
HIERARCH ESO ISS PBLA13 END 42.3
HIERARCH ESO ISS PBL14 START 121.275
HIERARCH ESO ISS PBL14 END 121.465
HIERARCH ESO ISS PBLA14 START 68.589
HIERARCH ESO ISS PBLA14 END 68.528
HIERARCH ESO ISS PBL23 START 38.751
HIERARCH ESO ISS PBL23 END 38.838
HIERARCH ESO ISS PBLA23 START 50.4
HIERARCH ESO ISS PBLA23 END 50.4
HIERARCH ESO ISS PBL24 START 88.794
HIERARCH ESO ISS PBL24 END 88.839
HIERARCH ESO ISS PBLA24 START 84.183
HIERARCH ESO ISS PBLA24 END 84.089
HIERARCH ESO ISS PBL34 START 60.565
HIERARCH ESO ISS PBL34 END 60.5
HIERARCH ESO ISS PBLA34 START 105.041
HIERARCH ESO ISS PBLA34 END 104.96
HIERARCH ESO ISS AMBI TAU0 START 0.00954
HIERARCH ESO ISS AMBI TAU0 END 0.007948
HIERARCH ESO ISS AMBI TEMP 14.69
HIERARCH ESO ISS AMBI FWHM START 0.48
HIERARCH ESO ISS AMBI FWHM END 0.48