Exposure
ID
MATIS.2025-07-17T06:18:52.095_1
Header ID
MATIS.2025-07-17T06:18:52.095
Date updated
2025-07-17 06:26:10 UTC+0000
Release date
2026-07-17 06:26:10 UTC+0000
UTC Start
2025-07-17 06:18:52.095
UTC End
2025-07-17 06:19:52.103
MJD Start
60873.26310295
MJD End
60873.26379748704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.0043955
Ambient temperature (°C)
13.77
Seeing (arcsec)
0.78
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 74.0610 73.9370 144.4000 144.6000
A0-J2 95.3900 95.0670 116.0000 116.2000
A0-K0 95.0980 94.7450 86.4600 86.5430
G1-J2 46.4090 46.2760 66.7000 66.7000
G1-K0 84.0050 83.9190 38.0960 38.1180
J2-K0 48.6250 48.6260 10.9140 11.0170
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 60873.26310295
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 74.061
HIERARCH ESO ISS PBL12 END 73.937
HIERARCH ESO ISS PBLA12 START 144.4
HIERARCH ESO ISS PBLA12 END 144.6
HIERARCH ESO ISS PBL13 START 95.39
HIERARCH ESO ISS PBL13 END 95.067
HIERARCH ESO ISS PBLA13 START 116.0
HIERARCH ESO ISS PBLA13 END 116.2
HIERARCH ESO ISS PBL14 START 95.098
HIERARCH ESO ISS PBL14 END 94.745
HIERARCH ESO ISS PBLA14 START 86.46
HIERARCH ESO ISS PBLA14 END 86.543
HIERARCH ESO ISS PBL23 START 46.409
HIERARCH ESO ISS PBL23 END 46.276
HIERARCH ESO ISS PBLA23 START 66.7
HIERARCH ESO ISS PBLA23 END 66.7
HIERARCH ESO ISS PBL24 START 84.005
HIERARCH ESO ISS PBL24 END 83.919
HIERARCH ESO ISS PBLA24 START 38.096
HIERARCH ESO ISS PBLA24 END 38.118
HIERARCH ESO ISS PBL34 START 48.625
HIERARCH ESO ISS PBL34 END 48.626
HIERARCH ESO ISS PBLA34 START 10.914
HIERARCH ESO ISS PBLA34 END 11.017
HIERARCH ESO ISS AMBI TAU0 START 0.004346
HIERARCH ESO ISS AMBI TAU0 END 0.004445
HIERARCH ESO ISS AMBI TEMP 13.77
HIERARCH ESO ISS AMBI FWHM START 0.8
HIERARCH ESO ISS AMBI FWHM END 0.76