Exposure
ID
MATIS.2025-07-17T06:24:39.249_1
Header ID
MATIS.2025-07-17T06:24:39.249
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 06:24:39.249
UTC End
2025-07-17 06:25:39.309
MJD Start
60873.26712094
MJD End
60873.267816078886
Exposure time (s)
60.1
Validation level
1
Tau 0: Coherence time (s)
0.004888
Ambient temperature (°C)
13.73
Seeing (arcsec)
0.74
Observation
ID
68119
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
SI_PHOT_LM_LOW
Instrument sub-mode
HYBRID
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 73.3570 73.2340 145.7000 146.0000
A0-J2 93.5410 93.2160 117.1000 117.3000
A0-K0 93.0690 92.7080 86.9370 87.0210
G1-J2 45.6410 45.5050 66.8000 66.8000
G1-K0 83.5100 83.4210 38.2130 38.2320
J2-K0 48.6310 48.6320 11.5010 11.6030
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 60873.26712094
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME V VX Sgr
RA 272.015659
DEC -22.22406
HIERARCH ESO DET NAME MATISSE-LM
HIERARCH ESO INS FIL NAME LM
HIERARCH ESO INS FIL ID LM
HIERARCH ESO INS DIL NAME LOW
HIERARCH ESO INS DIL 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 0.111056
HIERARCH ESO DET SEQ1 PERIOD 0.273
HIERARCH ESO DET NDIT 220
HIERARCH ESO ISS PBL12 START 73.357
HIERARCH ESO ISS PBL12 END 73.234
HIERARCH ESO ISS PBLA12 START 145.7
HIERARCH ESO ISS PBLA12 END 146.0
HIERARCH ESO ISS PBL13 START 93.541
HIERARCH ESO ISS PBL13 END 93.216
HIERARCH ESO ISS PBLA13 START 117.1
HIERARCH ESO ISS PBLA13 END 117.3
HIERARCH ESO ISS PBL14 START 93.069
HIERARCH ESO ISS PBL14 END 92.708
HIERARCH ESO ISS PBLA14 START 86.937
HIERARCH ESO ISS PBLA14 END 87.021
HIERARCH ESO ISS PBL23 START 45.641
HIERARCH ESO ISS PBL23 END 45.505
HIERARCH ESO ISS PBLA23 START 66.8
HIERARCH ESO ISS PBLA23 END 66.8
HIERARCH ESO ISS PBL24 START 83.51
HIERARCH ESO ISS PBL24 END 83.421
HIERARCH ESO ISS PBLA24 START 38.213
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 11.501
HIERARCH ESO ISS PBLA34 END 11.603
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 0.74