Exposure
ID
MATIS.2025-06-28T06:25:16.400_1
Header ID
MATIS.2025-06-28T06:25:16.400
Date updated
2025-06-28 06:36:49 UTC+0000
Release date
2026-06-28 06:36:49 UTC+0000
UTC Start
2025-06-28 06:25:16.400
UTC End
2025-06-28 06:26:16.408
MJD Start
60854.26755093
MJD End
60854.26824546704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.001866
Ambient temperature (°C)
4.56
Seeing (arcsec)
0.855
Observation
ID
68242
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 B2 D0 C1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B2 24.3280 24.3170 158.0000 158.2000
A0-D0 28.7000 28.6420 81.1000 81.2000
A0-C1 20.6040 20.5750 131.1690 131.3360
B2-D0 33.1570 33.1400 35.5000 35.6000
B2-C1 11.0460 11.0400 35.4620 35.5170
D0-C1 22.1110 22.1000 215.5210 215.5750
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 60854.26755093
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 B2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 C1
EXPTIME 0.0200088
HIERARCH ESO DET SEQ1 PERIOD 0.026
HIERARCH ESO DET NDIT 2308
HIERARCH ESO ISS PBL12 START 24.328
HIERARCH ESO ISS PBL12 END 24.317
HIERARCH ESO ISS PBLA12 START 158.0
HIERARCH ESO ISS PBLA12 END 158.2
HIERARCH ESO ISS PBL13 START 28.7
HIERARCH ESO ISS PBL13 END 28.642
HIERARCH ESO ISS PBLA13 START 81.1
HIERARCH ESO ISS PBLA13 END 81.2
HIERARCH ESO ISS PBL14 START 20.604
HIERARCH ESO ISS PBL14 END 20.575
HIERARCH ESO ISS PBLA14 START 131.169
HIERARCH ESO ISS PBLA14 END 131.336
HIERARCH ESO ISS PBL23 START 33.157
HIERARCH ESO ISS PBL23 END 33.14
HIERARCH ESO ISS PBLA23 START 35.5
HIERARCH ESO ISS PBLA23 END 35.6
HIERARCH ESO ISS PBL24 START 11.046
HIERARCH ESO ISS PBL24 END 11.04
HIERARCH ESO ISS PBLA24 START 35.462
HIERARCH ESO ISS PBLA24 END 35.517
HIERARCH ESO ISS PBL34 START 22.111
HIERARCH ESO ISS PBL34 END 22.1
HIERARCH ESO ISS PBLA34 START 215.521
HIERARCH ESO ISS PBLA34 END 215.575
HIERARCH ESO ISS AMBI TAU0 START 0.001885
HIERARCH ESO ISS AMBI TAU0 END 0.001847
HIERARCH ESO ISS AMBI TEMP 4.56
HIERARCH ESO ISS AMBI FWHM START 0.86
HIERARCH ESO ISS AMBI FWHM END 0.85