Exposure
ID
MATIS.2025-08-05T08:49:16.398_1
Header ID
MATIS.2025-08-05T08:49:16.398
Date updated
2025-08-05 09:00:48 UTC+0000
Release date
2026-08-05 09:00:47 UTC+0000
UTC Start
2025-08-05 08:49:16.398
UTC End
2025-08-05 08:50:18.408
MJD Start
60892.3675509
MJD End
60892.368268608334
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.005634
Ambient temperature (°C)
13.89
Seeing (arcsec)
0.42
Observation
ID
69076
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
51387
Name
HD 218396
RA
346.871679
DEC
21.13366
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 51.7290 51.7880 38.2000 38.1000
U1-U3 96.8810 96.9760 42.5000 42.5000
U1-U4 129.9710 129.9410 59.5940 59.4910
U2-U3 45.4670 45.4990 47.4000 47.4000
U2-U4 83.9740 83.8490 72.6040 72.4830
U3-U4 47.0010 46.8270 96.9200 96.8510
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 60892.3675509
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871679
DEC 21.13366
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 51.729
HIERARCH ESO ISS PBL12 END 51.788
HIERARCH ESO ISS PBLA12 START 38.2
HIERARCH ESO ISS PBLA12 END 38.1
HIERARCH ESO ISS PBL13 START 96.881
HIERARCH ESO ISS PBL13 END 96.976
HIERARCH ESO ISS PBLA13 START 42.5
HIERARCH ESO ISS PBLA13 END 42.5
HIERARCH ESO ISS PBL14 START 129.971
HIERARCH ESO ISS PBL14 END 129.941
HIERARCH ESO ISS PBLA14 START 59.594
HIERARCH ESO ISS PBLA14 END 59.491
HIERARCH ESO ISS PBL23 START 45.467
HIERARCH ESO ISS PBL23 END 45.499
HIERARCH ESO ISS PBLA23 START 47.4
HIERARCH ESO ISS PBLA23 END 47.4
HIERARCH ESO ISS PBL24 START 83.974
HIERARCH ESO ISS PBL24 END 83.849
HIERARCH ESO ISS PBLA24 START 72.604
HIERARCH ESO ISS PBLA24 END 72.483
HIERARCH ESO ISS PBL34 START 47.001
HIERARCH ESO ISS PBL34 END 46.827
HIERARCH ESO ISS PBLA34 START 96.92
HIERARCH ESO ISS PBLA34 END 96.851
HIERARCH ESO ISS AMBI TAU0 START 0.005634
HIERARCH ESO ISS AMBI TAU0 END 0.005634
HIERARCH ESO ISS AMBI TEMP 13.89
HIERARCH ESO ISS AMBI FWHM START 0.42
HIERARCH ESO ISS AMBI FWHM END 0.42