Exposure
ID
MATIS.2025-06-21T06:52:54.493_1
Header ID
MATIS.2025-06-21T06:52:54.493
Date updated
2025-06-21 07:00:43 UTC+0000
Release date
2026-06-21 07:00:43 UTC+0000
UTC Start
2025-06-21 06:52:54.493
UTC End
2025-06-21 06:53:54.501
MJD Start
60847.28674182
MJD End
60847.28743635704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.0032519999999999997
Ambient temperature (°C)
12.17
Seeing (arcsec)
0.43
Observation
ID
68183
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
HIGH_SENS_N_LOW
Instrument sub-mode
HYBRID
Stations
K0 G2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
K0-G2 60.5330 60.4060 284.2000 284.3000
K0-D0 86.0530 85.8800 261.1000 261.2000
K0-J3 55.3910 55.3810 347.7620 347.9060
G2-D0 38.5100 38.4800 223.1000 223.2000
G2-J3 61.2370 61.1730 50.0610 50.1070
D0-J3 99.5750 99.4800 47.3890 47.4350
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 60847.28674182
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME V VX Sgr
RA 272.016859
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 G2
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 60.533
HIERARCH ESO ISS PBL12 END 60.406
HIERARCH ESO ISS PBLA12 START 284.2
HIERARCH ESO ISS PBLA12 END 284.3
HIERARCH ESO ISS PBL13 START 86.053
HIERARCH ESO ISS PBL13 END 85.88
HIERARCH ESO ISS PBLA13 START 261.1
HIERARCH ESO ISS PBLA13 END 261.2
HIERARCH ESO ISS PBL14 START 55.391
HIERARCH ESO ISS PBL14 END 55.381
HIERARCH ESO ISS PBLA14 START 347.762
HIERARCH ESO ISS PBLA14 END 347.906
HIERARCH ESO ISS PBL23 START 38.51
HIERARCH ESO ISS PBL23 END 38.48
HIERARCH ESO ISS PBLA23 START 223.1
HIERARCH ESO ISS PBLA23 END 223.2
HIERARCH ESO ISS PBL24 START 61.237
HIERARCH ESO ISS PBL24 END 61.173
HIERARCH ESO ISS PBLA24 START 50.061
HIERARCH ESO ISS PBLA24 END 50.107
HIERARCH ESO ISS PBL34 START 99.575
HIERARCH ESO ISS PBL34 END 99.48
HIERARCH ESO ISS PBLA34 START 47.389
HIERARCH ESO ISS PBLA34 END 47.435
HIERARCH ESO ISS AMBI TAU0 START 0.002864
HIERARCH ESO ISS AMBI TAU0 END 0.00364
HIERARCH ESO ISS AMBI TEMP 12.17
HIERARCH ESO ISS AMBI FWHM START 0.45
HIERARCH ESO ISS AMBI FWHM END 0.41