Exposure
ID
MATIS.2025-08-10T08:07:51.783_1
Header ID
MATIS.2025-08-10T08:07:51.783
Date updated
2025-08-10 08:15:42 UTC+0000
Release date
2026-08-10 08:15:42 UTC+0000
UTC Start
2025-08-10 08:07:51.783
UTC End
2025-08-10 08:08:53.793
MJD Start
60897.33879378
MJD End
60897.33951148833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.0039915
Ambient temperature (°C)
11.73
Seeing (arcsec)
0.44
Observation
ID
69797
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
51813
Name
HD 218396
RA
346.871493
DEC
21.13374
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 50.3980 50.4650 38.2000 38.2000
U1-U3 94.7050 94.8170 43.1000 43.0000
U1-U4 130.1920 130.1990 61.6250 61.5330
U2-U3 44.6850 44.7270 48.5000 48.4000
U2-U4 86.2830 86.1870 75.0320 74.9210
U3-U4 50.4280 50.2740 98.3570 98.2890
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 60897.33879378
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871493
DEC 21.13374
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 50.398
HIERARCH ESO ISS PBL12 END 50.465
HIERARCH ESO ISS PBLA12 START 38.2
HIERARCH ESO ISS PBLA12 END 38.2
HIERARCH ESO ISS PBL13 START 94.705
HIERARCH ESO ISS PBL13 END 94.817
HIERARCH ESO ISS PBLA13 START 43.1
HIERARCH ESO ISS PBLA13 END 43.0
HIERARCH ESO ISS PBL14 START 130.192
HIERARCH ESO ISS PBL14 END 130.199
HIERARCH ESO ISS PBLA14 START 61.625
HIERARCH ESO ISS PBLA14 END 61.533
HIERARCH ESO ISS PBL23 START 44.685
HIERARCH ESO ISS PBL23 END 44.727
HIERARCH ESO ISS PBLA23 START 48.5
HIERARCH ESO ISS PBLA23 END 48.4
HIERARCH ESO ISS PBL24 START 86.283
HIERARCH ESO ISS PBL24 END 86.187
HIERARCH ESO ISS PBLA24 START 75.032
HIERARCH ESO ISS PBLA24 END 74.921
HIERARCH ESO ISS PBL34 START 50.428
HIERARCH ESO ISS PBL34 END 50.274
HIERARCH ESO ISS PBLA34 START 98.357
HIERARCH ESO ISS PBLA34 END 98.289
HIERARCH ESO ISS AMBI TAU0 START 0.004446
HIERARCH ESO ISS AMBI TAU0 END 0.003537
HIERARCH ESO ISS AMBI TEMP 11.73
HIERARCH ESO ISS AMBI FWHM START 0.42
HIERARCH ESO ISS AMBI FWHM END 0.46