Exposure
ID
MATIS.2025-08-07T09:45:38.774_1
Header ID
MATIS.2025-08-07T09:45:38.774
Date updated
2025-08-07 09:55:51 UTC+0000
Release date
2025-08-07 09:45:38 UTC+0000
UTC Start
2025-08-07 09:45:38.774
UTC End
2025-08-07 09:46:40.784
MJD Start
60894.40669877
MJD End
60894.40741647833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.004437
Ambient temperature (°C)
13.64
Seeing (arcsec)
0.73
Observation
ID
69526
Category
calibrator
Program ID
60.A-9130(A)
Program Title
DAILY CALIBRATION
Program Type
Normal
PI / COI
TEAM
Target
ID
51636
Name
iot Eri
RA
40.169372
DEC
-39.85547
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 55.5420 55.5280 22.8000 22.9000
U1-U3 101.0480 101.0200 29.1000 29.2000
U1-U4 130.1320 130.1190 56.2590 56.4210
U2-U3 46.2380 46.2260 36.6000 36.8000
U2-U4 89.2150 89.2350 76.3340 76.5020
U3-U4 61.2490 61.2900 105.1790 105.3340
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 60.A-9130(A)
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD
MJD-OBS 60894.40669877
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME iot Eri
RA 40.169372
DEC -39.85547
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 55.542
HIERARCH ESO ISS PBL12 END 55.528
HIERARCH ESO ISS PBLA12 START 22.8
HIERARCH ESO ISS PBLA12 END 22.9
HIERARCH ESO ISS PBL13 START 101.048
HIERARCH ESO ISS PBL13 END 101.02
HIERARCH ESO ISS PBLA13 START 29.1
HIERARCH ESO ISS PBLA13 END 29.2
HIERARCH ESO ISS PBL14 START 130.132
HIERARCH ESO ISS PBL14 END 130.119
HIERARCH ESO ISS PBLA14 START 56.259
HIERARCH ESO ISS PBLA14 END 56.421
HIERARCH ESO ISS PBL23 START 46.238
HIERARCH ESO ISS PBL23 END 46.226
HIERARCH ESO ISS PBLA23 START 36.6
HIERARCH ESO ISS PBLA23 END 36.8
HIERARCH ESO ISS PBL24 START 89.215
HIERARCH ESO ISS PBL24 END 89.235
HIERARCH ESO ISS PBLA24 START 76.334
HIERARCH ESO ISS PBLA24 END 76.502
HIERARCH ESO ISS PBL34 START 61.249
HIERARCH ESO ISS PBL34 END 61.29
HIERARCH ESO ISS PBLA34 START 105.179
HIERARCH ESO ISS PBLA34 END 105.334
HIERARCH ESO ISS AMBI TAU0 START 0.004437
HIERARCH ESO ISS AMBI TAU0 END 0.004437
HIERARCH ESO ISS AMBI TEMP 13.64
HIERARCH ESO ISS AMBI FWHM START 0.73
HIERARCH ESO ISS AMBI FWHM END 0.73