Exposure
ID
MATIS.2025-06-16T06:30:17.144_1
Header ID
MATIS.2025-06-16T06:30:17.144
Date updated
2025-06-16 06:52:12 UTC+0000
Release date
2026-06-16 06:52:11 UTC+0000
UTC Start
2025-06-16 06:30:17.144
UTC End
2025-06-16 06:31:17.152
MJD Start
60842.27103176
MJD End
60842.27172629704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.002297
Ambient temperature (°C)
7.22
Seeing (arcsec)
0.99
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 86.7010 86.6130 124.9000 125.0000
A0-J2 122.8590 122.6960 100.6000 100.7000
A0-K0 122.6200 122.4720 77.8100 77.8910
G1-J2 56.4910 56.4390 61.5000 61.6000
G1-K0 89.8510 89.8270 32.8490 32.9210
J2-K0 48.5280 48.5270 358.9340 359.0460
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 60842.27103176
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 86.701
HIERARCH ESO ISS PBL12 END 86.613
HIERARCH ESO ISS PBLA12 START 124.9
HIERARCH ESO ISS PBLA12 END 125.0
HIERARCH ESO ISS PBL13 START 122.859
HIERARCH ESO ISS PBL13 END 122.696
HIERARCH ESO ISS PBLA13 START 100.6
HIERARCH ESO ISS PBLA13 END 100.7
HIERARCH ESO ISS PBL14 START 122.62
HIERARCH ESO ISS PBL14 END 122.472
HIERARCH ESO ISS PBLA14 START 77.81
HIERARCH ESO ISS PBLA14 END 77.891
HIERARCH ESO ISS PBL23 START 56.491
HIERARCH ESO ISS PBL23 END 56.439
HIERARCH ESO ISS PBLA23 START 61.5
HIERARCH ESO ISS PBLA23 END 61.6
HIERARCH ESO ISS PBL24 START 89.851
HIERARCH ESO ISS PBL24 END 89.827
HIERARCH ESO ISS PBLA24 START 32.849
HIERARCH ESO ISS PBLA24 END 32.921
HIERARCH ESO ISS PBL34 START 48.528
HIERARCH ESO ISS PBL34 END 48.527
HIERARCH ESO ISS PBLA34 START 358.934
HIERARCH ESO ISS PBLA34 END 359.046
HIERARCH ESO ISS AMBI TAU0 START 0.002297
HIERARCH ESO ISS AMBI TAU0 END 0.002297
HIERARCH ESO ISS AMBI TEMP 7.22
HIERARCH ESO ISS AMBI FWHM START 0.99
HIERARCH ESO ISS AMBI FWHM END 0.99