Exposure
ID
MATIS.2021-05-31T02:27:01.143_1
Header ID
MATIS.2021-05-31T02:27:01.143
Date updated
2021-05-31 02:35:35 UTC+0000
Release date
2022-05-31 02:35:34 UTC+0000
UTC Start
2021-05-31 02:27:01.143
UTC End
2021-05-31 02:28:01.151
MJD Start
59365.10209656
MJD End
59365.102791097
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.002557
Ambient temperature (°C)
10.01
Seeing (arcsec)
0.87
Observation
ID
47497
Category
science
Program ID
105.20CV.001
Program Title
IMAGING THE DUSTY DISK IN THE SUPERGIANT B[E] STAR WESTERLUND 1-9
Program Type
Normal
PI / COI
HUMMEL/ SCHOELLER/ CLARK/ FENECH
Target
ID
35627
Name
Cl Westerlund1 W9
RA
251.768902
DEC
-45.84205
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 55.4820 55.4770 7.3000 7.5000
U1-U3 101.5490 101.5400 12.6000 12.7000
U1-U4 128.6060 128.6430 35.2900 35.4990
U2-U3 46.5770 46.5740 18.8000 19.0000
U2-U4 83.7500 83.8290 53.3900 53.6160
U3-U4 52.5340 52.6400 83.6010 83.8000
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 105.20CV.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT
MJD-OBS 59365.10209656
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME Cl Westerlund1 W9
RA 251.768902
DEC -45.84205
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 2308
HIERARCH ESO ISS PBL12 START 55.482
HIERARCH ESO ISS PBL12 END 55.477
HIERARCH ESO ISS PBLA12 START 7.3
HIERARCH ESO ISS PBLA12 END 7.5
HIERARCH ESO ISS PBL13 START 101.549
HIERARCH ESO ISS PBL13 END 101.54
HIERARCH ESO ISS PBLA13 START 12.6
HIERARCH ESO ISS PBLA13 END 12.7
HIERARCH ESO ISS PBL14 START 128.606
HIERARCH ESO ISS PBL14 END 128.643
HIERARCH ESO ISS PBLA14 START 35.29
HIERARCH ESO ISS PBLA14 END 35.499
HIERARCH ESO ISS PBL23 START 46.577
HIERARCH ESO ISS PBL23 END 46.574
HIERARCH ESO ISS PBLA23 START 18.8
HIERARCH ESO ISS PBLA23 END 19.0
HIERARCH ESO ISS PBL24 START 83.75
HIERARCH ESO ISS PBL24 END 83.829
HIERARCH ESO ISS PBLA24 START 53.39
HIERARCH ESO ISS PBLA24 END 53.616
HIERARCH ESO ISS PBL34 START 52.534
HIERARCH ESO ISS PBL34 END 52.64
HIERARCH ESO ISS PBLA34 START 83.601
HIERARCH ESO ISS PBLA34 END 83.8
HIERARCH ESO ISS AMBI TAU0 START 0.002557
HIERARCH ESO ISS AMBI TAU0 END 0.002557
HIERARCH ESO ISS AMBI TEMP 10.01
HIERARCH ESO ISS AMBI FWHM START 0.87
HIERARCH ESO ISS AMBI FWHM END 0.87