Exposure
ID
MATIS.2025-08-05T08:24:38.810_1
Header ID
MATIS.2025-08-05T08:24:38.810
Date updated
2025-08-05 08:35:46 UTC+0000
Release date
2026-08-05 08:35:46 UTC+0000
UTC Start
2025-08-05 08:24:38.810
UTC End
2025-08-05 08:25:40.820
MJD Start
60892.35044919
MJD End
60892.351166898334
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.0053785
Ambient temperature (°C)
14.04
Seeing (arcsec)
0.65
Observation
ID
69056
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
51376
Name
HD 218396
RA
346.871671
DEC
21.13365
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 50.2090 50.2770 38.2000 38.2000
U1-U3 94.3870 94.5010 43.1000 43.1000
U1-U4 130.1620 130.1740 61.8800 61.7890
U2-U3 44.5650 44.6090 48.6000 48.6000
U2-U4 86.5460 86.4530 75.3390 75.2290
U3-U4 50.8540 50.7030 98.5460 98.4780
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 60892.35044919
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871671
DEC 21.13365
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 50.209
HIERARCH ESO ISS PBL12 END 50.277
HIERARCH ESO ISS PBLA12 START 38.2
HIERARCH ESO ISS PBLA12 END 38.2
HIERARCH ESO ISS PBL13 START 94.387
HIERARCH ESO ISS PBL13 END 94.501
HIERARCH ESO ISS PBLA13 START 43.1
HIERARCH ESO ISS PBLA13 END 43.1
HIERARCH ESO ISS PBL14 START 130.162
HIERARCH ESO ISS PBL14 END 130.174
HIERARCH ESO ISS PBLA14 START 61.88
HIERARCH ESO ISS PBLA14 END 61.789
HIERARCH ESO ISS PBL23 START 44.565
HIERARCH ESO ISS PBL23 END 44.609
HIERARCH ESO ISS PBLA23 START 48.6
HIERARCH ESO ISS PBLA23 END 48.6
HIERARCH ESO ISS PBL24 START 86.546
HIERARCH ESO ISS PBL24 END 86.453
HIERARCH ESO ISS PBLA24 START 75.339
HIERARCH ESO ISS PBLA24 END 75.229
HIERARCH ESO ISS PBL34 START 50.854
HIERARCH ESO ISS PBL34 END 50.703
HIERARCH ESO ISS PBLA34 START 98.546
HIERARCH ESO ISS PBLA34 END 98.478
HIERARCH ESO ISS AMBI TAU0 START 0.004912
HIERARCH ESO ISS AMBI TAU0 END 0.005845
HIERARCH ESO ISS AMBI TEMP 14.04
HIERARCH ESO ISS AMBI FWHM START 0.67
HIERARCH ESO ISS AMBI FWHM END 0.63