Exposure
ID
MATIS.2025-08-10T08:11:01.007_1
Header ID
MATIS.2025-08-10T08:11:01.007
Date updated
2025-08-10 08:20:44 UTC+0000
Release date
2026-08-10 08:20:44 UTC+0000
UTC Start
2025-08-10 08:11:01.007
UTC End
2025-08-10 08:12:03.017
MJD Start
60897.34098388
MJD End
60897.34170158833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.003712
Ambient temperature (°C)
11.71
Seeing (arcsec)
0.435
Observation
ID
69800
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
51814
Name
HD 218396
RA
346.871495
DEC
21.13373
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 50.6000 50.6680 38.2000 38.2000
U1-U3 95.0420 95.1550 43.0000 43.0000
U1-U4 130.2080 130.2100 61.3450 61.2480
U2-U3 44.8110 44.8530 48.3000 48.3000
U2-U4 85.9870 85.8830 74.6940 74.5780
U3-U4 49.9580 49.7960 98.1500 98.0800
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 60897.34098388
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871495
DEC 21.13373
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 50.6
HIERARCH ESO ISS PBL12 END 50.668
HIERARCH ESO ISS PBLA12 START 38.2
HIERARCH ESO ISS PBLA12 END 38.2
HIERARCH ESO ISS PBL13 START 95.042
HIERARCH ESO ISS PBL13 END 95.155
HIERARCH ESO ISS PBLA13 START 43.0
HIERARCH ESO ISS PBLA13 END 43.0
HIERARCH ESO ISS PBL14 START 130.208
HIERARCH ESO ISS PBL14 END 130.21
HIERARCH ESO ISS PBLA14 START 61.345
HIERARCH ESO ISS PBLA14 END 61.248
HIERARCH ESO ISS PBL23 START 44.811
HIERARCH ESO ISS PBL23 END 44.853
HIERARCH ESO ISS PBLA23 START 48.3
HIERARCH ESO ISS PBLA23 END 48.3
HIERARCH ESO ISS PBL24 START 85.987
HIERARCH ESO ISS PBL24 END 85.883
HIERARCH ESO ISS PBLA24 START 74.694
HIERARCH ESO ISS PBLA24 END 74.578
HIERARCH ESO ISS PBL34 START 49.958
HIERARCH ESO ISS PBL34 END 49.796
HIERARCH ESO ISS PBLA34 START 98.15
HIERARCH ESO ISS PBLA34 END 98.08
HIERARCH ESO ISS AMBI TAU0 START 0.003712
HIERARCH ESO ISS AMBI TAU0 END 0.003712
HIERARCH ESO ISS AMBI TEMP 11.71
HIERARCH ESO ISS AMBI FWHM START 0.44
HIERARCH ESO ISS AMBI FWHM END 0.43