Exposure
ID
MATIS.2025-07-16T04:39:37.495_1
Header ID
MATIS.2025-07-16T04:39:37.495
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 04:39:37.495
UTC End
2025-07-16 04:40:37.503
MJD Start
60872.19418397
MJD End
60872.19487850704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.0036769999999999997
Ambient temperature (°C)
12.04
Seeing (arcsec)
0.735
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 86.0500 85.9560 125.9000 126.0000
A0-J2 121.6450 121.4670 101.4000 101.5000
A0-K0 121.5100 121.3470 78.3910 78.4720
G1-J2 56.1040 56.0470 62.0000 62.0000
G1-K0 89.6670 89.6400 33.3600 33.4300
J2-K0 48.5260 48.5260 359.7450 359.8590
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 60872.19418397
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 86.05
HIERARCH ESO ISS PBL12 END 85.956
HIERARCH ESO ISS PBLA12 START 125.9
HIERARCH ESO ISS PBLA12 END 126.0
HIERARCH ESO ISS PBL13 START 121.645
HIERARCH ESO ISS PBL13 END 121.467
HIERARCH ESO ISS PBLA13 START 101.4
HIERARCH ESO ISS PBLA13 END 101.5
HIERARCH ESO ISS PBL14 START 121.51
HIERARCH ESO ISS PBL14 END 121.347
HIERARCH ESO ISS PBLA14 START 78.391
HIERARCH ESO ISS PBLA14 END 78.472
HIERARCH ESO ISS PBL23 START 56.104
HIERARCH ESO ISS PBL23 END 56.047
HIERARCH ESO ISS PBLA23 START 62.0
HIERARCH ESO ISS PBLA23 END 62.0
HIERARCH ESO ISS PBL24 START 89.667
HIERARCH ESO ISS PBL24 END 89.64
HIERARCH ESO ISS PBLA24 START 33.36
HIERARCH ESO ISS PBLA24 END 33.43
HIERARCH ESO ISS PBL34 START 48.526
HIERARCH ESO ISS PBL34 END 48.526
HIERARCH ESO ISS PBLA34 START 359.745
HIERARCH ESO ISS PBLA34 END 359.859
HIERARCH ESO ISS AMBI TAU0 START 0.003699
HIERARCH ESO ISS AMBI TAU0 END 0.003655
HIERARCH ESO ISS AMBI TEMP 12.04
HIERARCH ESO ISS AMBI FWHM START 0.75
HIERARCH ESO ISS AMBI FWHM END 0.72