Exposure
ID
MATIS.2025-08-09T06:44:50.418_1
Header ID
MATIS.2025-08-09T06:44:50.418
Date updated
2025-08-09 06:55:44 UTC+0000
Release date
2026-08-09 06:55:44 UTC+0000
UTC Start
2025-08-09 06:44:50.418
UTC End
2025-08-09 06:45:52.428
MJD Start
60896.2811391
MJD End
60896.28185680833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.0043655
Ambient temperature (°C)
12.45
Seeing (arcsec)
0.65
Observation
ID
69575
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
51681
Name
HD 218396
RA
346.871588
DEC
21.1339
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 43.7660 43.8540 35.5000 35.6000
U1-U3 82.5470 82.7200 42.6000 42.6000
U1-U4 122.8510 123.0180 68.0450 67.9830
U2-U3 39.4840 39.5650 50.4000 50.4000
U2-U4 89.1280 89.1580 83.3680 83.2760
U3-U4 59.9710 59.8990 104.3510 104.2740
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 60896.2811391
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871588
DEC 21.1339
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 43.766
HIERARCH ESO ISS PBL12 END 43.854
HIERARCH ESO ISS PBLA12 START 35.5
HIERARCH ESO ISS PBLA12 END 35.6
HIERARCH ESO ISS PBL13 START 82.547
HIERARCH ESO ISS PBL13 END 82.72
HIERARCH ESO ISS PBLA13 START 42.6
HIERARCH ESO ISS PBLA13 END 42.6
HIERARCH ESO ISS PBL14 START 122.851
HIERARCH ESO ISS PBL14 END 123.018
HIERARCH ESO ISS PBLA14 START 68.045
HIERARCH ESO ISS PBLA14 END 67.983
HIERARCH ESO ISS PBL23 START 39.484
HIERARCH ESO ISS PBL23 END 39.565
HIERARCH ESO ISS PBLA23 START 50.4
HIERARCH ESO ISS PBLA23 END 50.4
HIERARCH ESO ISS PBL24 START 89.128
HIERARCH ESO ISS PBL24 END 89.158
HIERARCH ESO ISS PBLA24 START 83.368
HIERARCH ESO ISS PBLA24 END 83.276
HIERARCH ESO ISS PBL34 START 59.971
HIERARCH ESO ISS PBL34 END 59.899
HIERARCH ESO ISS PBLA34 START 104.351
HIERARCH ESO ISS PBLA34 END 104.274
HIERARCH ESO ISS AMBI TAU0 START 0.004106
HIERARCH ESO ISS AMBI TAU0 END 0.004625
HIERARCH ESO ISS AMBI TEMP 12.45
HIERARCH ESO ISS AMBI FWHM START 0.65
HIERARCH ESO ISS AMBI FWHM END 0.65