Exposure
ID
MATIS.2025-07-17T06:17:25.214_1
Header ID
MATIS.2025-07-17T06:17:25.214
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 06:17:25.214
UTC End
2025-07-17 06:18:25.222
MJD Start
60873.26209738
MJD End
60873.26279191704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.0043935
Ambient temperature (°C)
13.82
Seeing (arcsec)
0.81
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 74.2390 74.1140 144.1000 144.3000
A0-J2 95.8490 95.5270 115.8000 116.0000
A0-K0 95.5980 95.2480 86.3410 86.4250
G1-J2 46.5980 46.4660 66.7000 66.7000
G1-K0 84.1260 84.0410 38.0640 38.0870
J2-K0 48.6230 48.6240 10.7660 10.8690
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 60873.26209738
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 74.239
HIERARCH ESO ISS PBL12 END 74.114
HIERARCH ESO ISS PBLA12 START 144.1
HIERARCH ESO ISS PBLA12 END 144.3
HIERARCH ESO ISS PBL13 START 95.849
HIERARCH ESO ISS PBL13 END 95.527
HIERARCH ESO ISS PBLA13 START 115.8
HIERARCH ESO ISS PBLA13 END 116.0
HIERARCH ESO ISS PBL14 START 95.598
HIERARCH ESO ISS PBL14 END 95.248
HIERARCH ESO ISS PBLA14 START 86.341
HIERARCH ESO ISS PBLA14 END 86.425
HIERARCH ESO ISS PBL23 START 46.598
HIERARCH ESO ISS PBL23 END 46.466
HIERARCH ESO ISS PBLA23 START 66.7
HIERARCH ESO ISS PBLA23 END 66.7
HIERARCH ESO ISS PBL24 START 84.126
HIERARCH ESO ISS PBL24 END 84.041
HIERARCH ESO ISS PBLA24 START 38.064
HIERARCH ESO ISS PBLA24 END 38.087
HIERARCH ESO ISS PBL34 START 48.623
HIERARCH ESO ISS PBL34 END 48.624
HIERARCH ESO ISS PBLA34 START 10.766
HIERARCH ESO ISS PBLA34 END 10.869
HIERARCH ESO ISS AMBI TAU0 START 0.004441
HIERARCH ESO ISS AMBI TAU0 END 0.004346
HIERARCH ESO ISS AMBI TEMP 13.82
HIERARCH ESO ISS AMBI FWHM START 0.82
HIERARCH ESO ISS AMBI FWHM END 0.8