Exposure
ID
MATIS.2025-07-16T04:24:16.652_1
Header ID
MATIS.2025-07-16T04:24:16.652
Date updated
2025-07-16 04:35:49 UTC+0000
Release date
2026-07-16 04:35:49 UTC+0000
UTC Start
2025-07-16 04:24:16.652
UTC End
2025-07-16 04:25:16.660
MJD Start
60872.18352607
MJD End
60872.18422060704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.003479
Ambient temperature (°C)
12.37
Seeing (arcsec)
0.83
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 87.3690 87.2860 123.8000 124.0000
A0-J2 124.0820 123.9320 99.7000 99.9000
A0-K0 123.7250 123.5910 77.1600 77.2440
G1-J2 56.8710 56.8250 60.9000 61.0000
G1-K0 90.0250 90.0040 32.2580 32.3360
J2-K0 48.5300 48.5300 358.0390 358.1530
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 60872.18352607
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 87.369
HIERARCH ESO ISS PBL12 END 87.286
HIERARCH ESO ISS PBLA12 START 123.8
HIERARCH ESO ISS PBLA12 END 124.0
HIERARCH ESO ISS PBL13 START 124.082
HIERARCH ESO ISS PBL13 END 123.932
HIERARCH ESO ISS PBLA13 START 99.7
HIERARCH ESO ISS PBLA13 END 99.9
HIERARCH ESO ISS PBL14 START 123.725
HIERARCH ESO ISS PBL14 END 123.591
HIERARCH ESO ISS PBLA14 START 77.16
HIERARCH ESO ISS PBLA14 END 77.244
HIERARCH ESO ISS PBL23 START 56.871
HIERARCH ESO ISS PBL23 END 56.825
HIERARCH ESO ISS PBLA23 START 60.9
HIERARCH ESO ISS PBLA23 END 61.0
HIERARCH ESO ISS PBL24 START 90.025
HIERARCH ESO ISS PBL24 END 90.004
HIERARCH ESO ISS PBLA24 START 32.258
HIERARCH ESO ISS PBLA24 END 32.336
HIERARCH ESO ISS PBL34 START 48.53
HIERARCH ESO ISS PBL34 END 48.53
HIERARCH ESO ISS PBLA34 START 358.039
HIERARCH ESO ISS PBLA34 END 358.153
HIERARCH ESO ISS AMBI TAU0 START 0.003475
HIERARCH ESO ISS AMBI TAU0 END 0.003483
HIERARCH ESO ISS AMBI TEMP 12.37
HIERARCH ESO ISS AMBI FWHM START 0.83
HIERARCH ESO ISS AMBI FWHM END 0.83