Exposure
ID
MATIS.2025-06-27T05:08:15.283_1
Header ID
MATIS.2025-06-27T05:08:15.283
Date updated
2025-06-27 05:15:53 UTC+0000
Release date
2026-06-27 05:15:53 UTC+0000
UTC Start
2025-06-27 05:08:15.283
UTC End
2025-06-27 05:09:15.343
MJD Start
60853.21406578
MJD End
60853.21476091888
Exposure time (s)
60.1
Validation level
1
Tau 0: Coherence time (s)
0.0018115
Ambient temperature (°C)
5.96
Seeing (arcsec)
0.845
Observation
ID
68241
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 B2 D0 C1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B2 25.1000 25.0930 146.9000 147.0000
A0-D0 31.7000 31.6820 74.6000 74.7000
A0-C1 22.3400 22.3270 120.1090 120.2240
B2-D0 33.9110 33.9090 29.8000 29.9000
B2-C1 11.2960 11.2950 29.7270 29.8160
D0-C1 22.6150 22.6130 209.7900 209.8790
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 60853.21406578
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 B2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 C1
EXPTIME 0.111056
HIERARCH ESO DET SEQ1 PERIOD 0.273
HIERARCH ESO DET NDIT 220
HIERARCH ESO ISS PBL12 START 25.1
HIERARCH ESO ISS PBL12 END 25.093
HIERARCH ESO ISS PBLA12 START 146.9
HIERARCH ESO ISS PBLA12 END 147.0
HIERARCH ESO ISS PBL13 START 31.7
HIERARCH ESO ISS PBL13 END 31.682
HIERARCH ESO ISS PBLA13 START 74.6
HIERARCH ESO ISS PBLA13 END 74.7
HIERARCH ESO ISS PBL14 START 22.34
HIERARCH ESO ISS PBL14 END 22.327
HIERARCH ESO ISS PBLA14 START 120.109
HIERARCH ESO ISS PBLA14 END 120.224
HIERARCH ESO ISS PBL23 START 33.911
HIERARCH ESO ISS PBL23 END 33.909
HIERARCH ESO ISS PBLA23 START 29.8
HIERARCH ESO ISS PBLA23 END 29.9
HIERARCH ESO ISS PBL24 START 11.296
HIERARCH ESO ISS PBL24 END 11.295
HIERARCH ESO ISS PBLA24 START 29.727
HIERARCH ESO ISS PBLA24 END 29.816
HIERARCH ESO ISS PBL34 START 22.615
HIERARCH ESO ISS PBL34 END 22.613
HIERARCH ESO ISS PBLA34 START 209.79
HIERARCH ESO ISS PBLA34 END 209.879
HIERARCH ESO ISS AMBI TAU0 START 0.001905
HIERARCH ESO ISS AMBI TAU0 END 0.001718
HIERARCH ESO ISS AMBI TEMP 5.96
HIERARCH ESO ISS AMBI FWHM START 0.84
HIERARCH ESO ISS AMBI FWHM END 0.85