Exposure
ID
MATIS.2025-06-16T03:36:42.767_1
Header ID
MATIS.2025-06-16T03:36:42.767
Date updated
2025-06-16 03:45:51 UTC+0000
Release date
2026-06-16 03:45:51 UTC+0000
UTC Start
2025-06-16 03:36:42.767
UTC End
2025-06-16 03:37:42.775
MJD Start
60842.15049499
MJD End
60842.15118952704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.00504
Ambient temperature (°C)
6.17
Seeing (arcsec)
0.57
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 85.3120 85.4290 108.2000 108.3000
A0-J2 119.8030 120.0010 83.5000 83.6000
A0-K0 119.4830 119.6460 60.0750 60.2160
G1-J2 55.2980 55.3500 43.4000 43.5000
G1-K0 89.1230 89.1400 14.6260 14.7620
J2-K0 48.5790 48.5830 341.4200 341.5050
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 60842.15049499
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 85.312
HIERARCH ESO ISS PBL12 END 85.429
HIERARCH ESO ISS PBLA12 START 108.2
HIERARCH ESO ISS PBLA12 END 108.3
HIERARCH ESO ISS PBL13 START 119.803
HIERARCH ESO ISS PBL13 END 120.001
HIERARCH ESO ISS PBLA13 START 83.5
HIERARCH ESO ISS PBLA13 END 83.6
HIERARCH ESO ISS PBL14 START 119.483
HIERARCH ESO ISS PBL14 END 119.646
HIERARCH ESO ISS PBLA14 START 60.075
HIERARCH ESO ISS PBLA14 END 60.216
HIERARCH ESO ISS PBL23 START 55.298
HIERARCH ESO ISS PBL23 END 55.35
HIERARCH ESO ISS PBLA23 START 43.4
HIERARCH ESO ISS PBLA23 END 43.5
HIERARCH ESO ISS PBL24 START 89.123
HIERARCH ESO ISS PBL24 END 89.14
HIERARCH ESO ISS PBLA24 START 14.626
HIERARCH ESO ISS PBLA24 END 14.762
HIERARCH ESO ISS PBL34 START 48.579
HIERARCH ESO ISS PBL34 END 48.583
HIERARCH ESO ISS PBLA34 START 341.42
HIERARCH ESO ISS PBLA34 END 341.505
HIERARCH ESO ISS AMBI TAU0 START 0.00504
HIERARCH ESO ISS AMBI TAU0 END 0.00504
HIERARCH ESO ISS AMBI TEMP 6.17
HIERARCH ESO ISS AMBI FWHM START 0.57
HIERARCH ESO ISS AMBI FWHM END 0.57