Exposure
ID
MATIS.2025-07-17T06:23:28.019_1
Header ID
MATIS.2025-07-17T06:23:28.019
Date updated
2025-07-17 06:31:02 UTC+0000
Release date
2026-07-17 06:31:01 UTC+0000
UTC Start
2025-07-17 06:23:28.019
UTC End
2025-07-17 06:24:28.027
MJD Start
60873.26629652
MJD End
60873.26699105704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.0045214999999999995
Ambient temperature (°C)
13.75
Seeing (arcsec)
0.7849999999999999
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 73.5000 73.3770 145.5000 145.7000
A0-J2 93.9210 93.5960 116.9000 117.1000
A0-K0 93.4880 93.1290 86.8390 86.9230
G1-J2 45.8000 45.6640 66.8000 66.8000
G1-K0 83.6130 83.5250 38.1910 38.2100
J2-K0 48.6300 48.6310 11.3820 11.4840
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 60873.26629652
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 73.5
HIERARCH ESO ISS PBL12 END 73.377
HIERARCH ESO ISS PBLA12 START 145.5
HIERARCH ESO ISS PBLA12 END 145.7
HIERARCH ESO ISS PBL13 START 93.921
HIERARCH ESO ISS PBL13 END 93.596
HIERARCH ESO ISS PBLA13 START 116.9
HIERARCH ESO ISS PBLA13 END 117.1
HIERARCH ESO ISS PBL14 START 93.488
HIERARCH ESO ISS PBL14 END 93.129
HIERARCH ESO ISS PBLA14 START 86.839
HIERARCH ESO ISS PBLA14 END 86.923
HIERARCH ESO ISS PBL23 START 45.8
HIERARCH ESO ISS PBL23 END 45.664
HIERARCH ESO ISS PBLA23 START 66.8
HIERARCH ESO ISS PBLA23 END 66.8
HIERARCH ESO ISS PBL24 START 83.613
HIERARCH ESO ISS PBL24 END 83.525
HIERARCH ESO ISS PBLA24 START 38.191
HIERARCH ESO ISS PBLA24 END 38.21
HIERARCH ESO ISS PBL34 START 48.63
HIERARCH ESO ISS PBL34 END 48.631
HIERARCH ESO ISS PBLA34 START 11.382
HIERARCH ESO ISS PBLA34 END 11.484
HIERARCH ESO ISS AMBI TAU0 START 0.004155
HIERARCH ESO ISS AMBI TAU0 END 0.004888
HIERARCH ESO ISS AMBI TEMP 13.75
HIERARCH ESO ISS AMBI FWHM START 0.83
HIERARCH ESO ISS AMBI FWHM END 0.74