Exposure
ID
MATIS.2025-07-16T04:33:25.197_1
Header ID
MATIS.2025-07-16T04:33:25.197
Date updated
2025-07-16 04:45:43 UTC+0000
Release date
2026-07-16 04:45:43 UTC+0000
UTC Start
2025-07-16 04:33:25.197
UTC End
2025-07-16 04:34:25.257
MJD Start
60872.18987496
MJD End
60872.19057009889
Exposure time (s)
60.1
Validation level
1
Tau 0: Coherence time (s)
0.002726
Ambient temperature (°C)
12.13
Seeing (arcsec)
0.865
Observation
ID
68119
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
50630
Name
V VX Sgr
RA
272.015659
DEC
-22.22406
Instrument
Interferometer
VLTI
Instrument
MATISSE
Instrument mode
SI_PHOT_LM_LOW
Instrument sub-mode
HYBRID
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 86.6060 86.5170 125.0000 125.2000
A0-J2 122.6830 122.5170 100.7000 100.8000
A0-K0 122.4600 122.3100 77.8970 77.9790
G1-J2 56.4350 56.3830 61.6000 61.6000
G1-K0 89.8260 89.8010 32.9270 32.9990
J2-K0 48.5270 48.5270 359.0550 359.1690
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 60872.18987496
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME V VX Sgr
RA 272.015659
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 A0
HIERARCH ESO ISS CONF STATION2 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 K0
EXPTIME 0.111056
HIERARCH ESO DET SEQ1 PERIOD 0.273
HIERARCH ESO DET NDIT 220
HIERARCH ESO ISS PBL12 START 86.606
HIERARCH ESO ISS PBL12 END 86.517
HIERARCH ESO ISS PBLA12 START 125.0
HIERARCH ESO ISS PBLA12 END 125.2
HIERARCH ESO ISS PBL13 START 122.683
HIERARCH ESO ISS PBL13 END 122.517
HIERARCH ESO ISS PBLA13 START 100.7
HIERARCH ESO ISS PBLA13 END 100.8
HIERARCH ESO ISS PBL14 START 122.46
HIERARCH ESO ISS PBL14 END 122.31
HIERARCH ESO ISS PBLA14 START 77.897
HIERARCH ESO ISS PBLA14 END 77.979
HIERARCH ESO ISS PBL23 START 56.435
HIERARCH ESO ISS PBL23 END 56.383
HIERARCH ESO ISS PBLA23 START 61.6
HIERARCH ESO ISS PBLA23 END 61.6
HIERARCH ESO ISS PBL24 START 89.826
HIERARCH ESO ISS PBL24 END 89.801
HIERARCH ESO ISS PBLA24 START 32.927
HIERARCH ESO ISS PBLA24 END 32.999
HIERARCH ESO ISS PBL34 START 48.527
HIERARCH ESO ISS PBL34 END 48.527
HIERARCH ESO ISS PBLA34 START 359.055
HIERARCH ESO ISS PBLA34 END 359.169
HIERARCH ESO ISS AMBI TAU0 START 0.002726
HIERARCH ESO ISS AMBI TAU0 END 0.002726
HIERARCH ESO ISS AMBI TEMP 12.13
HIERARCH ESO ISS AMBI FWHM START 0.92
HIERARCH ESO ISS AMBI FWHM END 0.81