Exposure
ID
MATIS.2025-08-11T08:11:59.892_1
Header ID
MATIS.2025-08-11T08:11:59.892
Date updated
2025-08-11 08:20:44 UTC+0000
Release date
2026-08-11 08:20:44 UTC+0000
UTC Start
2025-08-11 08:11:59.892
UTC End
2025-08-11 08:13:01.902
MJD Start
60898.34166542
MJD End
60898.34238312833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.0039945
Ambient temperature (°C)
14.77
Seeing (arcsec)
0.45
Observation
ID
69918
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
51888
Name
HD 218396
RA
346.871659
DEC
21.1337
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 50.9090 50.9730 38.2000 38.2000
U1-U3 95.5540 95.6600 42.9000 42.8000
U1-U4 130.2000 130.1930 60.8970 60.8010
U2-U3 44.9990 45.0380 48.1000 48.1000
U2-U4 85.4970 85.3900 74.1570 74.0430
U3-U4 49.2040 49.0430 97.8270 97.7580
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 60898.34166542
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871659
DEC 21.1337
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 50.909
HIERARCH ESO ISS PBL12 END 50.973
HIERARCH ESO ISS PBLA12 START 38.2
HIERARCH ESO ISS PBLA12 END 38.2
HIERARCH ESO ISS PBL13 START 95.554
HIERARCH ESO ISS PBL13 END 95.66
HIERARCH ESO ISS PBLA13 START 42.9
HIERARCH ESO ISS PBLA13 END 42.8
HIERARCH ESO ISS PBL14 START 130.2
HIERARCH ESO ISS PBL14 END 130.193
HIERARCH ESO ISS PBLA14 START 60.897
HIERARCH ESO ISS PBLA14 END 60.801
HIERARCH ESO ISS PBL23 START 44.999
HIERARCH ESO ISS PBL23 END 45.038
HIERARCH ESO ISS PBLA23 START 48.1
HIERARCH ESO ISS PBLA23 END 48.1
HIERARCH ESO ISS PBL24 START 85.497
HIERARCH ESO ISS PBL24 END 85.39
HIERARCH ESO ISS PBLA24 START 74.157
HIERARCH ESO ISS PBLA24 END 74.043
HIERARCH ESO ISS PBL34 START 49.204
HIERARCH ESO ISS PBL34 END 49.043
HIERARCH ESO ISS PBLA34 START 97.827
HIERARCH ESO ISS PBLA34 END 97.758
HIERARCH ESO ISS AMBI TAU0 START 0.004413
HIERARCH ESO ISS AMBI TAU0 END 0.003576
HIERARCH ESO ISS AMBI TEMP 14.77
HIERARCH ESO ISS AMBI FWHM START 0.45
HIERARCH ESO ISS AMBI FWHM END 0.45