Exposure
ID
MATIS.2025-08-09T07:53:58.781_1
Header ID
MATIS.2025-08-09T07:53:58.781
Date updated
2025-08-09 08:05:45 UTC+0000
Release date
2026-08-09 08:05:45 UTC+0000
UTC Start
2025-08-09 07:53:58.781
UTC End
2025-08-09 07:55:00.791
MJD Start
60896.32915256
MJD End
60896.32987026833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.006496
Ambient temperature (°C)
12.55
Seeing (arcsec)
0.445
Observation
ID
69635
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
51711
Name
HD 218396
RA
346.871642
DEC
21.13389
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 49.1940 49.2680 38.1000 38.1000
U1-U3 92.6460 92.7750 43.3000 43.3000
U1-U4 129.7830 129.8220 63.1490 63.0610
U2-U3 43.8870 43.9390 49.2000 49.2000
U2-U4 87.7250 87.6520 76.8870 76.7800
U3-U4 52.9440 52.8020 99.5360 99.4650
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 60896.32915256
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871642
DEC 21.13389
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 49.194
HIERARCH ESO ISS PBL12 END 49.268
HIERARCH ESO ISS PBLA12 START 38.1
HIERARCH ESO ISS PBLA12 END 38.1
HIERARCH ESO ISS PBL13 START 92.646
HIERARCH ESO ISS PBL13 END 92.775
HIERARCH ESO ISS PBLA13 START 43.3
HIERARCH ESO ISS PBLA13 END 43.3
HIERARCH ESO ISS PBL14 START 129.783
HIERARCH ESO ISS PBL14 END 129.822
HIERARCH ESO ISS PBLA14 START 63.149
HIERARCH ESO ISS PBLA14 END 63.061
HIERARCH ESO ISS PBL23 START 43.887
HIERARCH ESO ISS PBL23 END 43.939
HIERARCH ESO ISS PBLA23 START 49.2
HIERARCH ESO ISS PBLA23 END 49.2
HIERARCH ESO ISS PBL24 START 87.725
HIERARCH ESO ISS PBL24 END 87.652
HIERARCH ESO ISS PBLA24 START 76.887
HIERARCH ESO ISS PBLA24 END 76.78
HIERARCH ESO ISS PBL34 START 52.944
HIERARCH ESO ISS PBL34 END 52.802
HIERARCH ESO ISS PBLA34 START 99.536
HIERARCH ESO ISS PBLA34 END 99.465
HIERARCH ESO ISS AMBI TAU0 START 0.006207
HIERARCH ESO ISS AMBI TAU0 END 0.006785
HIERARCH ESO ISS AMBI TEMP 12.55
HIERARCH ESO ISS AMBI FWHM START 0.45
HIERARCH ESO ISS AMBI FWHM END 0.44