Exposure
ID
MATIS.2025-08-16T02:03:36.464_1
Header ID
MATIS.2025-08-16T02:03:36.464
Date updated
2025-08-16 02:10:32 UTC+0000
Release date
2026-08-16 02:10:32 UTC+0000
UTC Start
2025-08-16 02:03:36.464
UTC End
2025-08-16 02:04:36.524
MJD Start
60903.0858387
MJD End
60903.08653383888
Exposure time (s)
60.1
Validation level
1
Tau 0: Coherence time (s)
0.002237
Ambient temperature (°C)
9.3
Seeing (arcsec)
1.0
Observation
ID
68182
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
50684
Name
V VX Sgr
RA
272.016859
DEC
-22.22406
Instrument
Interferometer
VLTI
Instrument
MATISSE
Instrument mode
SI_PHOT_LM_LOW
Instrument sub-mode
HYBRID
Stations
K0 G2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
K0-G2 66.8800 66.8220 276.5000 276.6000
K0-D0 94.3460 94.2750 255.6000 255.7000
K0-J3 56.1390 56.1280 338.6220 338.7480
G2-D0 39.8310 39.8210 218.8000 218.8000
G2-J3 64.1080 64.0860 45.8310 45.9110
D0-J3 103.7520 103.7210 43.1240 43.2050
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 60903.0858387
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME V VX Sgr
RA 272.016859
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 K0
HIERARCH ESO ISS CONF STATION2 G2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 J3
EXPTIME 0.111056
HIERARCH ESO DET SEQ1 PERIOD 0.273
HIERARCH ESO DET NDIT 220
HIERARCH ESO ISS PBL12 START 66.88
HIERARCH ESO ISS PBL12 END 66.822
HIERARCH ESO ISS PBLA12 START 276.5
HIERARCH ESO ISS PBLA12 END 276.6
HIERARCH ESO ISS PBL13 START 94.346
HIERARCH ESO ISS PBL13 END 94.275
HIERARCH ESO ISS PBLA13 START 255.6
HIERARCH ESO ISS PBLA13 END 255.7
HIERARCH ESO ISS PBL14 START 56.139
HIERARCH ESO ISS PBL14 END 56.128
HIERARCH ESO ISS PBLA14 START 338.622
HIERARCH ESO ISS PBLA14 END 338.748
HIERARCH ESO ISS PBL23 START 39.831
HIERARCH ESO ISS PBL23 END 39.821
HIERARCH ESO ISS PBLA23 START 218.8
HIERARCH ESO ISS PBLA23 END 218.8
HIERARCH ESO ISS PBL24 START 64.108
HIERARCH ESO ISS PBL24 END 64.086
HIERARCH ESO ISS PBLA24 START 45.831
HIERARCH ESO ISS PBLA24 END 45.911
HIERARCH ESO ISS PBL34 START 103.752
HIERARCH ESO ISS PBL34 END 103.721
HIERARCH ESO ISS PBLA34 START 43.124
HIERARCH ESO ISS PBLA34 END 43.205
HIERARCH ESO ISS AMBI TAU0 START 0.002237
HIERARCH ESO ISS AMBI TAU0 END 0.002237
HIERARCH ESO ISS AMBI TEMP 9.3
HIERARCH ESO ISS AMBI FWHM START 1.0
HIERARCH ESO ISS AMBI FWHM END 1.0