Exposure
ID
MATIS.2025-08-14T03:07:52.907_1
Header ID
MATIS.2025-08-14T03:07:52.907
Date updated
2025-08-14 03:15:53 UTC+0000
Release date
2026-08-14 03:15:53 UTC+0000
UTC Start
2025-08-14 03:07:52.907
UTC End
2025-08-14 03:08:52.915
MJD Start
60901.13047346
MJD End
60901.13116799704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.00556
Ambient temperature (°C)
14.39
Seeing (arcsec)
0.86
Observation
ID
69986
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
51926
Name
V VX Sgr
RA
272.016259
DEC
-22.22406
Instrument
Interferometer
VLTI
Instrument
MATISSE
Instrument mode
HIGH_SENS_N_LOW
Instrument sub-mode
HYBRID
Stations
K0 B2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
K0-B2 114.0390 113.8690 248.1000 248.2000
K0-D0 88.1010 87.9460 260.1000 260.2000
K0-J3 55.5210 55.5100 345.9790 346.1200
B2-D0 33.3550 33.3400 34.8000 34.9000
B2-J3 133.4830 133.3870 43.7960 43.8490
D0-J3 100.6750 100.5930 46.7680 46.8210
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 60901.13047346
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME V VX Sgr
RA 272.016259
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 K0
HIERARCH ESO ISS CONF STATION2 B2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 J3
EXPTIME 0.0200088
HIERARCH ESO DET SEQ1 PERIOD 0.026
HIERARCH ESO DET NDIT 2308
HIERARCH ESO ISS PBL12 START 114.039
HIERARCH ESO ISS PBL12 END 113.869
HIERARCH ESO ISS PBLA12 START 248.1
HIERARCH ESO ISS PBLA12 END 248.2
HIERARCH ESO ISS PBL13 START 88.101
HIERARCH ESO ISS PBL13 END 87.946
HIERARCH ESO ISS PBLA13 START 260.1
HIERARCH ESO ISS PBLA13 END 260.2
HIERARCH ESO ISS PBL14 START 55.521
HIERARCH ESO ISS PBL14 END 55.51
HIERARCH ESO ISS PBLA14 START 345.979
HIERARCH ESO ISS PBLA14 END 346.12
HIERARCH ESO ISS PBL23 START 33.355
HIERARCH ESO ISS PBL23 END 33.34
HIERARCH ESO ISS PBLA23 START 34.8
HIERARCH ESO ISS PBLA23 END 34.9
HIERARCH ESO ISS PBL24 START 133.483
HIERARCH ESO ISS PBL24 END 133.387
HIERARCH ESO ISS PBLA24 START 43.796
HIERARCH ESO ISS PBLA24 END 43.849
HIERARCH ESO ISS PBL34 START 100.675
HIERARCH ESO ISS PBL34 END 100.593
HIERARCH ESO ISS PBLA34 START 46.768
HIERARCH ESO ISS PBLA34 END 46.821
HIERARCH ESO ISS AMBI TAU0 START 0.005803
HIERARCH ESO ISS AMBI TAU0 END 0.005317
HIERARCH ESO ISS AMBI TEMP 14.39
HIERARCH ESO ISS AMBI FWHM START 0.86
HIERARCH ESO ISS AMBI FWHM END 0.86