Exposure
ID
MATIS.2025-07-17T06:24:39.898_1
Header ID
MATIS.2025-07-17T06:24:39.898
Date updated
2025-07-17 06:35:49 UTC+0000
Release date
2026-07-17 06:35:49 UTC+0000
UTC Start
2025-07-17 06:24:39.898
UTC End
2025-07-17 06:25:39.906
MJD Start
60873.26712845
MJD End
60873.26782298704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.004888
Ambient temperature (°C)
13.73
Seeing (arcsec)
0.835
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 73.3550 73.2320 145.8000 146.0000
A0-J2 93.5360 93.2090 117.1000 117.3000
A0-K0 93.0630 92.7010 86.9380 87.0230
G1-J2 45.6390 45.5020 66.8000 66.9000
G1-K0 83.5080 83.4190 38.2140 38.2320
J2-K0 48.6310 48.6320 11.5030 11.6050
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 60873.26712845
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 73.355
HIERARCH ESO ISS PBL12 END 73.232
HIERARCH ESO ISS PBLA12 START 145.8
HIERARCH ESO ISS PBLA12 END 146.0
HIERARCH ESO ISS PBL13 START 93.536
HIERARCH ESO ISS PBL13 END 93.209
HIERARCH ESO ISS PBLA13 START 117.1
HIERARCH ESO ISS PBLA13 END 117.3
HIERARCH ESO ISS PBL14 START 93.063
HIERARCH ESO ISS PBL14 END 92.701
HIERARCH ESO ISS PBLA14 START 86.938
HIERARCH ESO ISS PBLA14 END 87.023
HIERARCH ESO ISS PBL23 START 45.639
HIERARCH ESO ISS PBL23 END 45.502
HIERARCH ESO ISS PBLA23 START 66.8
HIERARCH ESO ISS PBLA23 END 66.9
HIERARCH ESO ISS PBL24 START 83.508
HIERARCH ESO ISS PBL24 END 83.419
HIERARCH ESO ISS PBLA24 START 38.214
HIERARCH ESO ISS PBLA24 END 38.232
HIERARCH ESO ISS PBL34 START 48.631
HIERARCH ESO ISS PBL34 END 48.632
HIERARCH ESO ISS PBLA34 START 11.503
HIERARCH ESO ISS PBLA34 END 11.605
HIERARCH ESO ISS AMBI TAU0 START 0.004888
HIERARCH ESO ISS AMBI TAU0 END 0.004888
HIERARCH ESO ISS AMBI TEMP 13.73
HIERARCH ESO ISS AMBI FWHM START 0.74
HIERARCH ESO ISS AMBI FWHM END 0.93