Exposure
ID
MATIS.2025-08-09T07:17:50.231_1
Header ID
MATIS.2025-08-09T07:17:50.231
Date updated
2025-08-09 07:25:41 UTC+0000
Release date
2026-08-09 07:25:41 UTC+0000
UTC Start
2025-08-09 07:17:50.231
UTC End
2025-08-09 07:18:52.241
MJD Start
60896.3040536
MJD End
60896.30477130833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.005515
Ambient temperature (°C)
12.28
Seeing (arcsec)
0.7
Observation
ID
69608
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
51697
Name
HD 218396
RA
346.871619
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 46.4830 46.5660 37.2000 37.2000
U1-U3 87.7580 87.9100 43.3000 43.3000
U1-U4 127.2400 127.3450 65.8970 65.8240
U2-U3 41.8390 41.9060 50.2000 50.2000
U2-U4 89.3120 89.2920 80.3820 80.2860
U3-U4 57.1720 57.0670 101.9880 101.9160
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 60896.3040536
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871619
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 46.483
HIERARCH ESO ISS PBL12 END 46.566
HIERARCH ESO ISS PBLA12 START 37.2
HIERARCH ESO ISS PBLA12 END 37.2
HIERARCH ESO ISS PBL13 START 87.758
HIERARCH ESO ISS PBL13 END 87.91
HIERARCH ESO ISS PBLA13 START 43.3
HIERARCH ESO ISS PBLA13 END 43.3
HIERARCH ESO ISS PBL14 START 127.24
HIERARCH ESO ISS PBL14 END 127.345
HIERARCH ESO ISS PBLA14 START 65.897
HIERARCH ESO ISS PBLA14 END 65.824
HIERARCH ESO ISS PBL23 START 41.839
HIERARCH ESO ISS PBL23 END 41.906
HIERARCH ESO ISS PBLA23 START 50.2
HIERARCH ESO ISS PBLA23 END 50.2
HIERARCH ESO ISS PBL24 START 89.312
HIERARCH ESO ISS PBL24 END 89.292
HIERARCH ESO ISS PBLA24 START 80.382
HIERARCH ESO ISS PBLA24 END 80.286
HIERARCH ESO ISS PBL34 START 57.172
HIERARCH ESO ISS PBL34 END 57.067
HIERARCH ESO ISS PBLA34 START 101.988
HIERARCH ESO ISS PBLA34 END 101.916
HIERARCH ESO ISS AMBI TAU0 START 0.005515
HIERARCH ESO ISS AMBI TAU0 END 0.005515
HIERARCH ESO ISS AMBI TEMP 12.28
HIERARCH ESO ISS AMBI FWHM START 0.69
HIERARCH ESO ISS AMBI FWHM END 0.71