Exposure
ID
MATIS.2025-08-09T08:02:04.716_1
Header ID
MATIS.2025-08-09T08:02:04.716
Date updated
2025-08-09 08:10:41 UTC+0000
Release date
2026-08-09 08:10:41 UTC+0000
UTC Start
2025-08-09 08:02:04.716
UTC End
2025-08-09 08:03:06.726
MJD Start
60896.3347768
MJD End
60896.335494508334
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.0075910000000000005
Ambient temperature (°C)
12.54
Seeing (arcsec)
0.43
Observation
ID
69642
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
51714
Name
HD 218396
RA
346.871645
DEC
21.13389
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 49.7530 49.8250 38.2000 38.2000
U1-U3 93.6110 93.7340 43.2000 43.2000
U1-U4 130.0360 130.0610 62.4700 62.3800
U2-U3 44.2670 44.3150 48.9000 48.9000
U2-U4 87.1230 87.0370 76.0560 75.9460
U3-U4 51.8350 51.6860 98.9980 98.9280
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 60896.3347768
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871645
DEC 21.13389
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 49.753
HIERARCH ESO ISS PBL12 END 49.825
HIERARCH ESO ISS PBLA12 START 38.2
HIERARCH ESO ISS PBLA12 END 38.2
HIERARCH ESO ISS PBL13 START 93.611
HIERARCH ESO ISS PBL13 END 93.734
HIERARCH ESO ISS PBLA13 START 43.2
HIERARCH ESO ISS PBLA13 END 43.2
HIERARCH ESO ISS PBL14 START 130.036
HIERARCH ESO ISS PBL14 END 130.061
HIERARCH ESO ISS PBLA14 START 62.47
HIERARCH ESO ISS PBLA14 END 62.38
HIERARCH ESO ISS PBL23 START 44.267
HIERARCH ESO ISS PBL23 END 44.315
HIERARCH ESO ISS PBLA23 START 48.9
HIERARCH ESO ISS PBLA23 END 48.9
HIERARCH ESO ISS PBL24 START 87.123
HIERARCH ESO ISS PBL24 END 87.037
HIERARCH ESO ISS PBLA24 START 76.056
HIERARCH ESO ISS PBLA24 END 75.946
HIERARCH ESO ISS PBL34 START 51.835
HIERARCH ESO ISS PBL34 END 51.686
HIERARCH ESO ISS PBLA34 START 98.998
HIERARCH ESO ISS PBLA34 END 98.928
HIERARCH ESO ISS AMBI TAU0 START 0.008095
HIERARCH ESO ISS AMBI TAU0 END 0.007087
HIERARCH ESO ISS AMBI TEMP 12.54
HIERARCH ESO ISS AMBI FWHM START 0.43
HIERARCH ESO ISS AMBI FWHM END 0.43