Exposure
ID
MATIS.2025-07-16T04:34:38.033_1
Header ID
MATIS.2025-07-16T04:34:38.033
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 04:34:38.033
UTC End
2025-07-16 04:35:38.041
MJD Start
60872.19071797
MJD End
60872.19141250704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.0031615000000000002
Ambient temperature (°C)
12.12
Seeing (arcsec)
0.79
Observation
ID
68120
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
HIGH_SENS_N_LOW
Instrument sub-mode
HYBRID
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 86.4990 86.4090 125.2000 125.3000
A0-J2 122.4850 122.3170 100.9000 101.0000
A0-K0 122.2800 122.1270 77.9950 78.0750
G1-J2 56.3730 56.3200 61.6000 61.7000
G1-K0 89.7960 89.7710 33.0130 33.0850
J2-K0 48.5270 48.5270 359.1910 359.3040
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 60872.19071797
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME V VX Sgr
RA 272.015659
DEC -22.22406
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 A0
HIERARCH ESO ISS CONF STATION2 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 K0
EXPTIME 0.0200088
HIERARCH ESO DET SEQ1 PERIOD 0.026
HIERARCH ESO DET NDIT 2308
HIERARCH ESO ISS PBL12 START 86.499
HIERARCH ESO ISS PBL12 END 86.409
HIERARCH ESO ISS PBLA12 START 125.2
HIERARCH ESO ISS PBLA12 END 125.3
HIERARCH ESO ISS PBL13 START 122.485
HIERARCH ESO ISS PBL13 END 122.317
HIERARCH ESO ISS PBLA13 START 100.9
HIERARCH ESO ISS PBLA13 END 101.0
HIERARCH ESO ISS PBL14 START 122.28
HIERARCH ESO ISS PBL14 END 122.127
HIERARCH ESO ISS PBLA14 START 77.995
HIERARCH ESO ISS PBLA14 END 78.075
HIERARCH ESO ISS PBL23 START 56.373
HIERARCH ESO ISS PBL23 END 56.32
HIERARCH ESO ISS PBLA23 START 61.6
HIERARCH ESO ISS PBLA23 END 61.7
HIERARCH ESO ISS PBL24 START 89.796
HIERARCH ESO ISS PBL24 END 89.771
HIERARCH ESO ISS PBLA24 START 33.013
HIERARCH ESO ISS PBLA24 END 33.085
HIERARCH ESO ISS PBL34 START 48.527
HIERARCH ESO ISS PBL34 END 48.527
HIERARCH ESO ISS PBLA34 START 359.191
HIERARCH ESO ISS PBLA34 END 359.304
HIERARCH ESO ISS AMBI TAU0 START 0.002726
HIERARCH ESO ISS AMBI TAU0 END 0.003597
HIERARCH ESO ISS AMBI TEMP 12.12
HIERARCH ESO ISS AMBI FWHM START 0.81
HIERARCH ESO ISS AMBI FWHM END 0.77