Exposure
ID
MATIS.2025-11-11T05:41:51.802_1
Header ID
MATIS.2025-11-11T05:41:51.802
Date updated
2025-11-11 05:50:48 UTC+0000
Release date
2025-11-11 05:41:51 UTC+0000
UTC Start
2025-11-11 05:41:51.802
UTC End
2025-11-11 05:42:51.862
MJD Start
60990.23740512
MJD End
60990.23810025889
Exposure time (s)
60.1
Validation level
1
Tau 0: Coherence time (s)
0.0032975
Ambient temperature (°C)
13.61
Seeing (arcsec)
0.665
Observation
ID
71473
Category
calibrator
Program ID
116.2910.001
Program Title
CIRCUMSTELLAR DISK EVOLUTION AND DISSIPATION IN YOUNG BINARY SYSTEMS
Program Type
Normal
PI / COI
PRATO / KOEHLER / SCHAEFER
Target
ID
53080
Name
HD 26946
RA
64.174332
DEC
26.35774
Instrument
Interferometer
VLTI
Instrument
MATISSE
Instrument mode
SI_PHOT_LM_LOW
Instrument sub-mode
HYBRID
Stations
U1 U2 U3 U4
Projected baselines
Baseline Length start Length end Angle start Angle end
U1-U2 40.8810 40.9780 38.1000 38.2000
U1-U3 78.0680 78.2580 45.3000 45.4000
U1-U4 121.0270 121.2080 69.9970 69.9140
U2-U3 37.8650 37.9530 53.2000 53.1000
U2-U4 88.9800 89.0160 84.0490 83.9360
U3-U4 59.7350 59.6630 103.0380 102.9390
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 116.2910.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD
MJD-OBS 60990.23740512
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 26946
RA 64.174332
DEC 26.35774
HIERARCH ESO DET NAME MATISSE-LM
HIERARCH ESO INS FIL NAME LM
HIERARCH ESO INS FIL ID LM
HIERARCH ESO INS DIL NAME LOW
HIERARCH ESO INS DIL 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 0.0751997
HIERARCH ESO DET SEQ1 PERIOD 0.182
HIERARCH ESO DET NDIT 330
HIERARCH ESO ISS PBL12 START 40.881
HIERARCH ESO ISS PBL12 END 40.978
HIERARCH ESO ISS PBLA12 START 38.1
HIERARCH ESO ISS PBLA12 END 38.2
HIERARCH ESO ISS PBL13 START 78.068
HIERARCH ESO ISS PBL13 END 78.258
HIERARCH ESO ISS PBLA13 START 45.3
HIERARCH ESO ISS PBLA13 END 45.4
HIERARCH ESO ISS PBL14 START 121.027
HIERARCH ESO ISS PBL14 END 121.208
HIERARCH ESO ISS PBLA14 START 69.997
HIERARCH ESO ISS PBLA14 END 69.914
HIERARCH ESO ISS PBL23 START 37.865
HIERARCH ESO ISS PBL23 END 37.953
HIERARCH ESO ISS PBLA23 START 53.2
HIERARCH ESO ISS PBLA23 END 53.1
HIERARCH ESO ISS PBL24 START 88.98
HIERARCH ESO ISS PBL24 END 89.016
HIERARCH ESO ISS PBLA24 START 84.049
HIERARCH ESO ISS PBLA24 END 83.936
HIERARCH ESO ISS PBL34 START 59.735
HIERARCH ESO ISS PBL34 END 59.663
HIERARCH ESO ISS PBLA34 START 103.038
HIERARCH ESO ISS PBLA34 END 102.939
HIERARCH ESO ISS AMBI TAU0 START 0.003363
HIERARCH ESO ISS AMBI TAU0 END 0.003232
HIERARCH ESO ISS AMBI TEMP 13.61
HIERARCH ESO ISS AMBI FWHM START 0.65
HIERARCH ESO ISS AMBI FWHM END 0.68