Exposure
ID
MATIS.2025-08-11T07:27:02.048_1
Header ID
MATIS.2025-08-11T07:27:02.048
Date updated
2025-08-11 07:35:43 UTC+0000
Release date
2026-08-11 07:35:43 UTC+0000
UTC Start
2025-08-11 07:27:02.048
UTC End
2025-08-11 07:28:04.058
MJD Start
60898.31044037
MJD End
60898.31115807833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.0039095
Ambient temperature (°C)
14.85
Seeing (arcsec)
0.545
Observation
ID
69896
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
51876
Name
HD 218396
RA
346.87164
DEC
21.13369
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 47.8040 47.8840 37.7000 37.7000
U1-U3 90.1790 90.3240 43.4000 43.4000
U1-U4 128.7310 128.8070 64.6590 64.5790
U2-U3 42.8770 42.9380 49.8000 49.8000
U2-U4 88.7920 88.7450 78.7750 78.6730
U3-U4 55.3250 55.2000 100.8220 100.7500
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 60898.31044037
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.87164
DEC 21.13369
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 47.804
HIERARCH ESO ISS PBL12 END 47.884
HIERARCH ESO ISS PBLA12 START 37.7
HIERARCH ESO ISS PBLA12 END 37.7
HIERARCH ESO ISS PBL13 START 90.179
HIERARCH ESO ISS PBL13 END 90.324
HIERARCH ESO ISS PBLA13 START 43.4
HIERARCH ESO ISS PBLA13 END 43.4
HIERARCH ESO ISS PBL14 START 128.731
HIERARCH ESO ISS PBL14 END 128.807
HIERARCH ESO ISS PBLA14 START 64.659
HIERARCH ESO ISS PBLA14 END 64.579
HIERARCH ESO ISS PBL23 START 42.877
HIERARCH ESO ISS PBL23 END 42.938
HIERARCH ESO ISS PBLA23 START 49.8
HIERARCH ESO ISS PBLA23 END 49.8
HIERARCH ESO ISS PBL24 START 88.792
HIERARCH ESO ISS PBL24 END 88.745
HIERARCH ESO ISS PBLA24 START 78.775
HIERARCH ESO ISS PBLA24 END 78.673
HIERARCH ESO ISS PBL34 START 55.325
HIERARCH ESO ISS PBL34 END 55.2
HIERARCH ESO ISS PBLA34 START 100.822
HIERARCH ESO ISS PBLA34 END 100.75
HIERARCH ESO ISS AMBI TAU0 START 0.004834
HIERARCH ESO ISS AMBI TAU0 END 0.002985
HIERARCH ESO ISS AMBI TEMP 14.85
HIERARCH ESO ISS AMBI FWHM START 0.54
HIERARCH ESO ISS AMBI FWHM END 0.55