Exposure
ID
MATIS.2025-06-16T06:40:31.191_1
Header ID
MATIS.2025-06-16T06:40:31.191
Date updated
2025-06-16 06:52:13 UTC+0000
Release date
2026-06-16 06:52:11 UTC+0000
UTC Start
2025-06-16 06:40:31.191
UTC End
2025-06-16 06:41:31.251
MJD Start
60842.27813879
MJD End
60842.27883392889
Exposure time (s)
60.1
Validation level
1
Tau 0: Coherence time (s)
0.002297
Ambient temperature (°C)
7.31
Seeing (arcsec)
0.99
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 85.7770 85.6810 126.3000 126.4000
A0-J2 121.1280 120.9450 101.7000 101.9000
A0-K0 121.0330 120.8640 78.6240 78.7040
G1-J2 55.9380 55.8780 62.2000 62.2000
G1-K0 89.5860 89.5570 33.5600 33.6280
J2-K0 48.5260 48.5260 0.0720 0.1850
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 60842.27813879
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 85.777
HIERARCH ESO ISS PBL12 END 85.681
HIERARCH ESO ISS PBLA12 START 126.3
HIERARCH ESO ISS PBLA12 END 126.4
HIERARCH ESO ISS PBL13 START 121.128
HIERARCH ESO ISS PBL13 END 120.945
HIERARCH ESO ISS PBLA13 START 101.7
HIERARCH ESO ISS PBLA13 END 101.9
HIERARCH ESO ISS PBL14 START 121.033
HIERARCH ESO ISS PBL14 END 120.864
HIERARCH ESO ISS PBLA14 START 78.624
HIERARCH ESO ISS PBLA14 END 78.704
HIERARCH ESO ISS PBL23 START 55.938
HIERARCH ESO ISS PBL23 END 55.878
HIERARCH ESO ISS PBLA23 START 62.2
HIERARCH ESO ISS PBLA23 END 62.2
HIERARCH ESO ISS PBL24 START 89.586
HIERARCH ESO ISS PBL24 END 89.557
HIERARCH ESO ISS PBLA24 START 33.56
HIERARCH ESO ISS PBLA24 END 33.628
HIERARCH ESO ISS PBL34 START 48.526
HIERARCH ESO ISS PBL34 END 48.526
HIERARCH ESO ISS PBLA34 START 0.072
HIERARCH ESO ISS PBLA34 END 0.185
HIERARCH ESO ISS AMBI TAU0 START 0.002297
HIERARCH ESO ISS AMBI TAU0 END 0.002297
HIERARCH ESO ISS AMBI TEMP 7.31
HIERARCH ESO ISS AMBI FWHM START 0.99
HIERARCH ESO ISS AMBI FWHM END 0.99