Exposure
ID
MATIS.2025-08-11T07:52:06.536_1
Header ID
MATIS.2025-08-11T07:52:06.536
Date updated
2025-08-11 08:00:43 UTC+0000
Release date
2026-08-11 08:00:43 UTC+0000
UTC Start
2025-08-11 07:52:06.536
UTC End
2025-08-11 07:53:08.546
MJD Start
60898.32785343
MJD End
60898.32857113833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.005451
Ambient temperature (°C)
14.67
Seeing (arcsec)
0.36
Observation
ID
69916
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
51887
Name
HD 218396
RA
346.871657
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 49.6110 49.6820 38.2000 38.2000
U1-U3 93.3680 93.4890 43.3000 43.2000
U1-U4 129.9820 130.0100 62.6510 62.5640
U2-U3 44.1720 44.2200 49.0000 48.9000
U2-U4 87.2860 87.2060 76.2760 76.1690
U3-U4 52.1250 51.9820 99.1400 99.0710
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 60898.32785343
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871657
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 49.611
HIERARCH ESO ISS PBL12 END 49.682
HIERARCH ESO ISS PBLA12 START 38.2
HIERARCH ESO ISS PBLA12 END 38.2
HIERARCH ESO ISS PBL13 START 93.368
HIERARCH ESO ISS PBL13 END 93.489
HIERARCH ESO ISS PBLA13 START 43.3
HIERARCH ESO ISS PBLA13 END 43.2
HIERARCH ESO ISS PBL14 START 129.982
HIERARCH ESO ISS PBL14 END 130.01
HIERARCH ESO ISS PBLA14 START 62.651
HIERARCH ESO ISS PBLA14 END 62.564
HIERARCH ESO ISS PBL23 START 44.172
HIERARCH ESO ISS PBL23 END 44.22
HIERARCH ESO ISS PBLA23 START 49.0
HIERARCH ESO ISS PBLA23 END 48.9
HIERARCH ESO ISS PBL24 START 87.286
HIERARCH ESO ISS PBL24 END 87.206
HIERARCH ESO ISS PBLA24 START 76.276
HIERARCH ESO ISS PBLA24 END 76.169
HIERARCH ESO ISS PBL34 START 52.125
HIERARCH ESO ISS PBL34 END 51.982
HIERARCH ESO ISS PBLA34 START 99.14
HIERARCH ESO ISS PBLA34 END 99.071
HIERARCH ESO ISS AMBI TAU0 START 0.005451
HIERARCH ESO ISS AMBI TAU0 END 0.005451
HIERARCH ESO ISS AMBI TEMP 14.67
HIERARCH ESO ISS AMBI FWHM START 0.36
HIERARCH ESO ISS AMBI FWHM END 0.36