Exposure
ID
MATIS.2025-08-09T06:46:29.342_1
Header ID
MATIS.2025-08-09T06:46:29.342
Date updated
2025-08-09 06:55:44 UTC+0000
Release date
2026-08-09 06:55:44 UTC+0000
UTC Start
2025-08-09 06:46:29.342
UTC End
2025-08-09 06:47:31.352
MJD Start
60896.28228405
MJD End
60896.28300175833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.004625
Ambient temperature (°C)
12.48
Seeing (arcsec)
0.6699999999999999
Observation
ID
69577
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
51680
Name
HD 218396
RA
346.871593
DEC
21.1339
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 43.9070 43.9940 35.6000 35.7000
U1-U3 82.8240 82.9950 42.6000 42.7000
U1-U4 123.1190 123.2830 67.9450 67.8820
U2-U3 39.6130 39.6930 50.4000 50.4000
U2-U4 89.1750 89.2030 83.2210 83.1290
U3-U4 59.8550 59.7810 104.2280 104.1520
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 60896.28228405
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871593
DEC 21.1339
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 43.907
HIERARCH ESO ISS PBL12 END 43.994
HIERARCH ESO ISS PBLA12 START 35.6
HIERARCH ESO ISS PBLA12 END 35.7
HIERARCH ESO ISS PBL13 START 82.824
HIERARCH ESO ISS PBL13 END 82.995
HIERARCH ESO ISS PBLA13 START 42.6
HIERARCH ESO ISS PBLA13 END 42.7
HIERARCH ESO ISS PBL14 START 123.119
HIERARCH ESO ISS PBL14 END 123.283
HIERARCH ESO ISS PBLA14 START 67.945
HIERARCH ESO ISS PBLA14 END 67.882
HIERARCH ESO ISS PBL23 START 39.613
HIERARCH ESO ISS PBL23 END 39.693
HIERARCH ESO ISS PBLA23 START 50.4
HIERARCH ESO ISS PBLA23 END 50.4
HIERARCH ESO ISS PBL24 START 89.175
HIERARCH ESO ISS PBL24 END 89.203
HIERARCH ESO ISS PBLA24 START 83.221
HIERARCH ESO ISS PBLA24 END 83.129
HIERARCH ESO ISS PBL34 START 59.855
HIERARCH ESO ISS PBL34 END 59.781
HIERARCH ESO ISS PBLA34 START 104.228
HIERARCH ESO ISS PBLA34 END 104.152
HIERARCH ESO ISS AMBI TAU0 START 0.004625
HIERARCH ESO ISS AMBI TAU0 END 0.004625
HIERARCH ESO ISS AMBI TEMP 12.48
HIERARCH ESO ISS AMBI FWHM START 0.65
HIERARCH ESO ISS AMBI FWHM END 0.69