Exposure
ID
MATIS.2025-06-21T06:51:32.945_1
Header ID
MATIS.2025-06-21T06:51:32.945
Date updated
2025-06-21 07:00:43 UTC+0000
Release date
2026-06-21 07:00:43 UTC+0000
UTC Start
2025-06-21 06:51:32.945
UTC End
2025-06-21 06:52:32.909
MJD Start
60847.28579797
MJD End
60847.28649199777
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.0030194999999999996
Ambient temperature (°C)
12.18
Seeing (arcsec)
0.445
Observation
ID
68182
Category
science
Program ID
115.27VC.005
Program Title
UNVEILING THE MASS-LOSS PROCESS OF RED SUPERGIANTS: IMAGING THE RED SUPERGIANT VX SAGITARII WITH VLTI AND ALMA
Program Type
Normal
PI / COI
JADLOVSKY / WITTKOWSKI / CHIAVASSA / KRAVCHENKO / KRTICKA / PALADINI / HÖFNER / FREYTAG / HUMPHREYS
Target
ID
50684
Name
V VX Sgr
RA
272.016859
DEC
-22.22406
Instrument
Interferometer
VLTI
Instrument
MATISSE
Instrument mode
SI_PHOT_LM_LOW
Instrument sub-mode
HYBRID
Stations
K0 G2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
K0-G2 60.7020 60.5760 284.0000 284.1000
K0-D0 86.2840 86.1130 261.0000 261.1000
K0-J3 55.4040 55.3940 347.5680 347.7120
G2-D0 38.5510 38.5210 223.1000 223.1000
G2-J3 61.3220 61.2590 49.9990 50.0450
D0-J3 99.7000 99.6070 47.3260 47.3730
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.27VC.005
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT
MJD-OBS 60847.28579797
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME V VX Sgr
RA 272.016859
DEC -22.22406
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 K0
HIERARCH ESO ISS CONF STATION2 G2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 J3
EXPTIME 0.111056
HIERARCH ESO DET SEQ1 PERIOD 0.228
HIERARCH ESO DET NDIT 263
HIERARCH ESO ISS PBL12 START 60.702
HIERARCH ESO ISS PBL12 END 60.576
HIERARCH ESO ISS PBLA12 START 284.0
HIERARCH ESO ISS PBLA12 END 284.1
HIERARCH ESO ISS PBL13 START 86.284
HIERARCH ESO ISS PBL13 END 86.113
HIERARCH ESO ISS PBLA13 START 261.0
HIERARCH ESO ISS PBLA13 END 261.1
HIERARCH ESO ISS PBL14 START 55.404
HIERARCH ESO ISS PBL14 END 55.394
HIERARCH ESO ISS PBLA14 START 347.568
HIERARCH ESO ISS PBLA14 END 347.712
HIERARCH ESO ISS PBL23 START 38.551
HIERARCH ESO ISS PBL23 END 38.521
HIERARCH ESO ISS PBLA23 START 223.1
HIERARCH ESO ISS PBLA23 END 223.1
HIERARCH ESO ISS PBL24 START 61.322
HIERARCH ESO ISS PBL24 END 61.259
HIERARCH ESO ISS PBLA24 START 49.999
HIERARCH ESO ISS PBLA24 END 50.045
HIERARCH ESO ISS PBL34 START 99.7
HIERARCH ESO ISS PBL34 END 99.607
HIERARCH ESO ISS PBLA34 START 47.326
HIERARCH ESO ISS PBLA34 END 47.373
HIERARCH ESO ISS AMBI TAU0 START 0.003175
HIERARCH ESO ISS AMBI TAU0 END 0.002864
HIERARCH ESO ISS AMBI TEMP 12.18
HIERARCH ESO ISS AMBI FWHM START 0.44
HIERARCH ESO ISS AMBI FWHM END 0.45