Exposure
ID
MATIS.2025-08-06T05:35:16.393_1
Header ID
MATIS.2025-08-06T05:35:16.393
Date updated
2025-08-06 05:45:32 UTC+0000
Release date
2026-08-06 05:45:32 UTC+0000
UTC Start
2025-08-06 05:35:16.393
UTC End
2025-08-06 05:36:18.403
MJD Start
60893.23282862
MJD End
60893.23354632833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.008214
Ambient temperature (°C)
15.0
Seeing (arcsec)
0.56
Observation
ID
69155
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
51431
Name
HD 218396
RA
346.871548
DEC
21.13412
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 36.8810 36.9630 26.9000 27.1000
U1-U3 67.8180 68.0100 36.5000 36.6000
U1-U4 103.6800 103.9950 71.9830 71.9460
U2-U3 32.0460 32.1510 47.5000 47.6000
U2-U4 81.9110 82.0610 90.5770 90.4820
U3-U4 62.4390 62.4470 111.0780 110.9820
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 60893.23282862
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871548
DEC 21.13412
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 36.881
HIERARCH ESO ISS PBL12 END 36.963
HIERARCH ESO ISS PBLA12 START 26.9
HIERARCH ESO ISS PBLA12 END 27.1
HIERARCH ESO ISS PBL13 START 67.818
HIERARCH ESO ISS PBL13 END 68.01
HIERARCH ESO ISS PBLA13 START 36.5
HIERARCH ESO ISS PBLA13 END 36.6
HIERARCH ESO ISS PBL14 START 103.68
HIERARCH ESO ISS PBL14 END 103.995
HIERARCH ESO ISS PBLA14 START 71.983
HIERARCH ESO ISS PBLA14 END 71.946
HIERARCH ESO ISS PBL23 START 32.046
HIERARCH ESO ISS PBL23 END 32.151
HIERARCH ESO ISS PBLA23 START 47.5
HIERARCH ESO ISS PBLA23 END 47.6
HIERARCH ESO ISS PBL24 START 81.911
HIERARCH ESO ISS PBL24 END 82.061
HIERARCH ESO ISS PBLA24 START 90.577
HIERARCH ESO ISS PBLA24 END 90.482
HIERARCH ESO ISS PBL34 START 62.439
HIERARCH ESO ISS PBL34 END 62.447
HIERARCH ESO ISS PBLA34 START 111.078
HIERARCH ESO ISS PBLA34 END 110.982
HIERARCH ESO ISS AMBI TAU0 START 0.008214
HIERARCH ESO ISS AMBI TAU0 END 0.008214
HIERARCH ESO ISS AMBI TEMP 15.0
HIERARCH ESO ISS AMBI FWHM START 0.56
HIERARCH ESO ISS AMBI FWHM END 0.56