Exposure
ID
MATIS.2025-08-10T08:12:30.019_1
Header ID
MATIS.2025-08-10T08:12:30.019
Date updated
2025-08-10 08:20:44 UTC+0000
Release date
2026-08-10 08:20:44 UTC+0000
UTC Start
2025-08-10 08:12:30.019
UTC End
2025-08-10 08:13:32.029
MJD Start
60897.34201411
MJD End
60897.34273181833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.0041875
Ambient temperature (°C)
11.68
Seeing (arcsec)
0.43
Observation
ID
69800
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
51814
Name
HD 218396
RA
346.871495
DEC
21.13373
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 50.6950 50.7600 38.2000 38.2000
U1-U3 95.2000 95.3080 43.0000 42.9000
U1-U4 130.2100 130.2090 61.2090 61.1150
U2-U3 44.8700 44.9090 48.3000 48.2000
U2-U4 85.8410 85.7380 74.5310 74.4180
U3-U4 49.7300 49.5720 98.0510 97.9830
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 60897.34201411
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871495
DEC 21.13373
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 50.695
HIERARCH ESO ISS PBL12 END 50.76
HIERARCH ESO ISS PBLA12 START 38.2
HIERARCH ESO ISS PBLA12 END 38.2
HIERARCH ESO ISS PBL13 START 95.2
HIERARCH ESO ISS PBL13 END 95.308
HIERARCH ESO ISS PBLA13 START 43.0
HIERARCH ESO ISS PBLA13 END 42.9
HIERARCH ESO ISS PBL14 START 130.21
HIERARCH ESO ISS PBL14 END 130.209
HIERARCH ESO ISS PBLA14 START 61.209
HIERARCH ESO ISS PBLA14 END 61.115
HIERARCH ESO ISS PBL23 START 44.87
HIERARCH ESO ISS PBL23 END 44.909
HIERARCH ESO ISS PBLA23 START 48.3
HIERARCH ESO ISS PBLA23 END 48.2
HIERARCH ESO ISS PBL24 START 85.841
HIERARCH ESO ISS PBL24 END 85.738
HIERARCH ESO ISS PBLA24 START 74.531
HIERARCH ESO ISS PBLA24 END 74.418
HIERARCH ESO ISS PBL34 START 49.73
HIERARCH ESO ISS PBL34 END 49.572
HIERARCH ESO ISS PBLA34 START 98.051
HIERARCH ESO ISS PBLA34 END 97.983
HIERARCH ESO ISS AMBI TAU0 START 0.003712
HIERARCH ESO ISS AMBI TAU0 END 0.004663
HIERARCH ESO ISS AMBI TEMP 11.68
HIERARCH ESO ISS AMBI FWHM START 0.43
HIERARCH ESO ISS AMBI FWHM END 0.43