Exposure
ID
MATIS.2025-06-27T03:53:24.516_1
Header ID
MATIS.2025-06-27T03:53:24.516
Date updated
2025-06-27 04:00:47 UTC+0000
Release date
2026-06-27 04:00:46 UTC+0000
UTC Start
2025-06-27 03:53:24.516
UTC End
2025-06-27 03:54:24.524
MJD Start
60853.1620893
MJD End
60853.16278383704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.0017835
Ambient temperature (°C)
5.85
Seeing (arcsec)
0.875
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 25.2570 25.2610 139.2000 139.3000
A0-D0 31.6510 31.6690 67.4000 67.5000
A0-C1 22.4800 22.4890 112.7850 112.8710
B2-D0 33.7750 33.7800 22.1000 22.3000
B2-C1 11.2510 11.2530 22.1040 22.2220
D0-C1 22.5240 22.5280 202.1680 202.2850
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 60853.1620893
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 25.257
HIERARCH ESO ISS PBL12 END 25.261
HIERARCH ESO ISS PBLA12 START 139.2
HIERARCH ESO ISS PBLA12 END 139.3
HIERARCH ESO ISS PBL13 START 31.651
HIERARCH ESO ISS PBL13 END 31.669
HIERARCH ESO ISS PBLA13 START 67.4
HIERARCH ESO ISS PBLA13 END 67.5
HIERARCH ESO ISS PBL14 START 22.48
HIERARCH ESO ISS PBL14 END 22.489
HIERARCH ESO ISS PBLA14 START 112.785
HIERARCH ESO ISS PBLA14 END 112.871
HIERARCH ESO ISS PBL23 START 33.775
HIERARCH ESO ISS PBL23 END 33.78
HIERARCH ESO ISS PBLA23 START 22.1
HIERARCH ESO ISS PBLA23 END 22.3
HIERARCH ESO ISS PBL24 START 11.251
HIERARCH ESO ISS PBL24 END 11.253
HIERARCH ESO ISS PBLA24 START 22.104
HIERARCH ESO ISS PBLA24 END 22.222
HIERARCH ESO ISS PBL34 START 22.524
HIERARCH ESO ISS PBL34 END 22.528
HIERARCH ESO ISS PBLA34 START 202.168
HIERARCH ESO ISS PBLA34 END 202.285
HIERARCH ESO ISS AMBI TAU0 START 0.001865
HIERARCH ESO ISS AMBI TAU0 END 0.001702
HIERARCH ESO ISS AMBI TEMP 5.85
HIERARCH ESO ISS AMBI FWHM START 0.86
HIERARCH ESO ISS AMBI FWHM END 0.89