Exposure
ID
MATIS.2025-08-06T07:28:39.509_1
Header ID
MATIS.2025-08-06T07:28:39.509
Date updated
2025-08-06 07:35:51 UTC+0000
Release date
2026-08-06 07:35:51 UTC+0000
UTC Start
2025-08-06 07:28:39.509
UTC End
2025-08-06 07:29:41.519
MJD Start
60893.31156839
MJD End
60893.312286098335
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.008314
Ambient temperature (°C)
14.27
Seeing (arcsec)
0.525
Observation
ID
69245
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
51477
Name
HD 218396
RA
346.871616
DEC
21.13407
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 46.4080 46.4900 37.1000 37.2000
U1-U3 87.6160 87.7690 43.3000 43.3000
U1-U4 127.1410 127.2480 65.9670 65.8950
U2-U3 41.7780 41.8440 50.2000 50.2000
U2-U4 89.3290 89.3110 80.4740 80.3780
U3-U4 57.2670 57.1640 102.0580 101.9860
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 60893.31156839
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871616
DEC 21.13407
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 46.408
HIERARCH ESO ISS PBL12 END 46.49
HIERARCH ESO ISS PBLA12 START 37.1
HIERARCH ESO ISS PBLA12 END 37.2
HIERARCH ESO ISS PBL13 START 87.616
HIERARCH ESO ISS PBL13 END 87.769
HIERARCH ESO ISS PBLA13 START 43.3
HIERARCH ESO ISS PBLA13 END 43.3
HIERARCH ESO ISS PBL14 START 127.141
HIERARCH ESO ISS PBL14 END 127.248
HIERARCH ESO ISS PBLA14 START 65.967
HIERARCH ESO ISS PBLA14 END 65.895
HIERARCH ESO ISS PBL23 START 41.778
HIERARCH ESO ISS PBL23 END 41.844
HIERARCH ESO ISS PBLA23 START 50.2
HIERARCH ESO ISS PBLA23 END 50.2
HIERARCH ESO ISS PBL24 START 89.329
HIERARCH ESO ISS PBL24 END 89.311
HIERARCH ESO ISS PBLA24 START 80.474
HIERARCH ESO ISS PBLA24 END 80.378
HIERARCH ESO ISS PBL34 START 57.267
HIERARCH ESO ISS PBL34 END 57.164
HIERARCH ESO ISS PBLA34 START 102.058
HIERARCH ESO ISS PBLA34 END 101.986
HIERARCH ESO ISS AMBI TAU0 START 0.008304
HIERARCH ESO ISS AMBI TAU0 END 0.008324
HIERARCH ESO ISS AMBI TEMP 14.27
HIERARCH ESO ISS AMBI FWHM START 0.56
HIERARCH ESO ISS AMBI FWHM END 0.49