Exposure
ID
MATIS.2025-06-27T05:09:38.260_1
Header ID
MATIS.2025-06-27T05:09:38.260
Date updated
2025-06-27 05:15:53 UTC+0000
Release date
2026-06-27 05:15:53 UTC+0000
UTC Start
2025-06-27 05:09:38.260
UTC End
2025-06-27 05:10:38.320
MJD Start
60853.21502616
MJD End
60853.21572129889
Exposure time (s)
60.1
Validation level
1
Tau 0: Coherence time (s)
0.001718
Ambient temperature (°C)
5.88
Seeing (arcsec)
0.89
Observation
ID
68241
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 B2 D0 C1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B2 25.0910 25.0830 147.0000 147.1000
A0-D0 31.6750 31.6570 74.7000 74.8000
A0-C1 22.3220 22.3090 120.2660 120.3820
B2-D0 33.9080 33.9050 29.9000 30.0000
B2-C1 11.2950 11.2940 29.8480 29.9360
D0-C1 22.6130 22.6110 209.9110 209.9990
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 60853.21502616
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 B2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 C1
EXPTIME 0.111056
HIERARCH ESO DET SEQ1 PERIOD 0.273
HIERARCH ESO DET NDIT 220
HIERARCH ESO ISS PBL12 START 25.091
HIERARCH ESO ISS PBL12 END 25.083
HIERARCH ESO ISS PBLA12 START 147.0
HIERARCH ESO ISS PBLA12 END 147.1
HIERARCH ESO ISS PBL13 START 31.675
HIERARCH ESO ISS PBL13 END 31.657
HIERARCH ESO ISS PBLA13 START 74.7
HIERARCH ESO ISS PBLA13 END 74.8
HIERARCH ESO ISS PBL14 START 22.322
HIERARCH ESO ISS PBL14 END 22.309
HIERARCH ESO ISS PBLA14 START 120.266
HIERARCH ESO ISS PBLA14 END 120.382
HIERARCH ESO ISS PBL23 START 33.908
HIERARCH ESO ISS PBL23 END 33.905
HIERARCH ESO ISS PBLA23 START 29.9
HIERARCH ESO ISS PBLA23 END 30.0
HIERARCH ESO ISS PBL24 START 11.295
HIERARCH ESO ISS PBL24 END 11.294
HIERARCH ESO ISS PBLA24 START 29.848
HIERARCH ESO ISS PBLA24 END 29.936
HIERARCH ESO ISS PBL34 START 22.613
HIERARCH ESO ISS PBL34 END 22.611
HIERARCH ESO ISS PBLA34 START 209.911
HIERARCH ESO ISS PBLA34 END 209.999
HIERARCH ESO ISS AMBI TAU0 START 0.001718
HIERARCH ESO ISS AMBI TAU0 END 0.001718
HIERARCH ESO ISS AMBI TEMP 5.88
HIERARCH ESO ISS AMBI FWHM START 0.89
HIERARCH ESO ISS AMBI FWHM END 0.89