Exposure
ID
MATIS.2025-06-16T03:40:20.575_1
Header ID
MATIS.2025-06-16T03:40:20.575
Date updated
2025-06-16 03:50:56 UTC+0000
Release date
2026-06-16 03:50:55 UTC+0000
UTC Start
2025-06-16 03:40:20.575
UTC End
2025-06-16 03:41:20.583
MJD Start
60842.15301592
MJD End
60842.15371045704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.007344
Ambient temperature (°C)
6.17
Seeing (arcsec)
0.505
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 85.7260 85.8380 108.4000 108.5000
A0-J2 120.4990 120.6890 83.9000 84.0000
A0-K0 120.0600 120.2180 60.5770 60.7150
G1-J2 55.4810 55.5310 43.9000 44.1000
G1-K0 89.1820 89.1980 15.1120 15.2470
J2-K0 48.5910 48.5940 341.7240 341.8090
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 60842.15301592
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 85.726
HIERARCH ESO ISS PBL12 END 85.838
HIERARCH ESO ISS PBLA12 START 108.4
HIERARCH ESO ISS PBLA12 END 108.5
HIERARCH ESO ISS PBL13 START 120.499
HIERARCH ESO ISS PBL13 END 120.689
HIERARCH ESO ISS PBLA13 START 83.9
HIERARCH ESO ISS PBLA13 END 84.0
HIERARCH ESO ISS PBL14 START 120.06
HIERARCH ESO ISS PBL14 END 120.218
HIERARCH ESO ISS PBLA14 START 60.577
HIERARCH ESO ISS PBLA14 END 60.715
HIERARCH ESO ISS PBL23 START 55.481
HIERARCH ESO ISS PBL23 END 55.531
HIERARCH ESO ISS PBLA23 START 43.9
HIERARCH ESO ISS PBLA23 END 44.1
HIERARCH ESO ISS PBL24 START 89.182
HIERARCH ESO ISS PBL24 END 89.198
HIERARCH ESO ISS PBLA24 START 15.112
HIERARCH ESO ISS PBLA24 END 15.247
HIERARCH ESO ISS PBL34 START 48.591
HIERARCH ESO ISS PBL34 END 48.594
HIERARCH ESO ISS PBLA34 START 341.724
HIERARCH ESO ISS PBLA34 END 341.809
HIERARCH ESO ISS AMBI TAU0 START 0.007344
HIERARCH ESO ISS AMBI TAU0 END 0.007344
HIERARCH ESO ISS AMBI TEMP 6.17
HIERARCH ESO ISS AMBI FWHM START 0.52
HIERARCH ESO ISS AMBI FWHM END 0.49