Exposure
ID
MATIS.2025-08-10T07:30:37.401_1
Header ID
MATIS.2025-08-10T07:30:37.401
Date updated
2025-08-10 07:40:42 UTC+0000
Release date
2026-08-10 07:40:42 UTC+0000
UTC Start
2025-08-10 07:30:37.401
UTC End
2025-08-10 07:31:39.411
MJD Start
60897.31293288
MJD End
60897.31365058833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.004102
Ambient temperature (°C)
12.12
Seeing (arcsec)
0.475
Observation
ID
69765
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
51799
Name
HD 218396
RA
346.871476
DEC
21.13372
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 47.7780 47.8580 37.7000 37.7000
U1-U3 90.1320 90.2770 43.4000 43.4000
U1-U4 128.7060 128.7820 64.6850 64.6040
U2-U3 42.8570 42.9180 49.8000 49.8000
U2-U4 88.8060 88.7610 78.8080 78.7050
U3-U4 55.3650 55.2410 100.8450 100.7730
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 60897.31293288
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871476
DEC 21.13372
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 47.778
HIERARCH ESO ISS PBL12 END 47.858
HIERARCH ESO ISS PBLA12 START 37.7
HIERARCH ESO ISS PBLA12 END 37.7
HIERARCH ESO ISS PBL13 START 90.132
HIERARCH ESO ISS PBL13 END 90.277
HIERARCH ESO ISS PBLA13 START 43.4
HIERARCH ESO ISS PBLA13 END 43.4
HIERARCH ESO ISS PBL14 START 128.706
HIERARCH ESO ISS PBL14 END 128.782
HIERARCH ESO ISS PBLA14 START 64.685
HIERARCH ESO ISS PBLA14 END 64.604
HIERARCH ESO ISS PBL23 START 42.857
HIERARCH ESO ISS PBL23 END 42.918
HIERARCH ESO ISS PBLA23 START 49.8
HIERARCH ESO ISS PBLA23 END 49.8
HIERARCH ESO ISS PBL24 START 88.806
HIERARCH ESO ISS PBL24 END 88.761
HIERARCH ESO ISS PBLA24 START 78.808
HIERARCH ESO ISS PBLA24 END 78.705
HIERARCH ESO ISS PBL34 START 55.365
HIERARCH ESO ISS PBL34 END 55.241
HIERARCH ESO ISS PBLA34 START 100.845
HIERARCH ESO ISS PBLA34 END 100.773
HIERARCH ESO ISS AMBI TAU0 START 0.004576
HIERARCH ESO ISS AMBI TAU0 END 0.003628
HIERARCH ESO ISS AMBI TEMP 12.12
HIERARCH ESO ISS AMBI FWHM START 0.49
HIERARCH ESO ISS AMBI FWHM END 0.46