Exposure
ID
MATIS.2025-08-07T06:17:39.580_1
Header ID
MATIS.2025-08-07T06:17:39.580
Date updated
2025-08-07 06:25:51 UTC+0000
Release date
2026-08-07 06:25:51 UTC+0000
UTC Start
2025-08-07 06:17:39.580
UTC End
2025-08-07 06:18:41.590
MJD Start
60894.26226366
MJD End
60894.26298136833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.007357
Ambient temperature (°C)
13.53
Seeing (arcsec)
0.575
Observation
ID
69409
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
51577
Name
HD 218396
RA
346.871646
DEC
21.1338
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 40.7540 40.8460 32.6000 32.8000
U1-U3 76.4100 76.6040 40.8000 40.9000
U1-U4 116.0200 116.2600 69.9810 69.9280
U2-U3 36.5260 36.6220 49.9000 49.9000
U2-U4 87.1890 87.2740 86.4490 86.3560
U3-U4 61.8030 61.7650 107.0590 106.9730
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 60894.26226366
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871646
DEC 21.1338
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 40.754
HIERARCH ESO ISS PBL12 END 40.846
HIERARCH ESO ISS PBLA12 START 32.6
HIERARCH ESO ISS PBLA12 END 32.8
HIERARCH ESO ISS PBL13 START 76.41
HIERARCH ESO ISS PBL13 END 76.604
HIERARCH ESO ISS PBLA13 START 40.8
HIERARCH ESO ISS PBLA13 END 40.9
HIERARCH ESO ISS PBL14 START 116.02
HIERARCH ESO ISS PBL14 END 116.26
HIERARCH ESO ISS PBLA14 START 69.981
HIERARCH ESO ISS PBLA14 END 69.928
HIERARCH ESO ISS PBL23 START 36.526
HIERARCH ESO ISS PBL23 END 36.622
HIERARCH ESO ISS PBLA23 START 49.9
HIERARCH ESO ISS PBLA23 END 49.9
HIERARCH ESO ISS PBL24 START 87.189
HIERARCH ESO ISS PBL24 END 87.274
HIERARCH ESO ISS PBLA24 START 86.449
HIERARCH ESO ISS PBLA24 END 86.356
HIERARCH ESO ISS PBL34 START 61.803
HIERARCH ESO ISS PBL34 END 61.765
HIERARCH ESO ISS PBLA34 START 107.059
HIERARCH ESO ISS PBLA34 END 106.973
HIERARCH ESO ISS AMBI TAU0 START 0.007061
HIERARCH ESO ISS AMBI TAU0 END 0.007653
HIERARCH ESO ISS AMBI TEMP 13.53
HIERARCH ESO ISS AMBI FWHM START 0.56
HIERARCH ESO ISS AMBI FWHM END 0.59