Exposure
ID
MATIS.2025-06-25T00:50:48.742_1
Header ID
MATIS.2025-06-25T00:50:48.742
Date updated
2025-06-25 01:00:58 UTC+0000
Release date
2026-06-25 01:00:58 UTC+0000
UTC Start
2025-06-25 00:50:48.742
UTC End
2025-06-25 00:51:48.802
MJD Start
60851.03528637
MJD End
60851.03598150889
Exposure time (s)
60.1
Validation level
1
Tau 0: Coherence time (s)
0.002635
Ambient temperature (°C)
7.88
Seeing (arcsec)
1.01
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 20.7030 20.7480 131.8000 131.7000
A0-D0 23.2100 23.2610 34.1000 34.4000
A0-C1 14.8930 14.9620 100.8030 100.8490
B2-D0 33.0960 33.0940 355.8000 355.9000
B2-C1 11.0260 11.0250 355.7480 355.8980
D0-C1 22.0700 22.0680 175.7900 175.9400
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 60851.03528637
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 20.703
HIERARCH ESO ISS PBL12 END 20.748
HIERARCH ESO ISS PBLA12 START 131.8
HIERARCH ESO ISS PBLA12 END 131.7
HIERARCH ESO ISS PBL13 START 23.21
HIERARCH ESO ISS PBL13 END 23.261
HIERARCH ESO ISS PBLA13 START 34.1
HIERARCH ESO ISS PBLA13 END 34.4
HIERARCH ESO ISS PBL14 START 14.893
HIERARCH ESO ISS PBL14 END 14.962
HIERARCH ESO ISS PBLA14 START 100.803
HIERARCH ESO ISS PBLA14 END 100.849
HIERARCH ESO ISS PBL23 START 33.096
HIERARCH ESO ISS PBL23 END 33.094
HIERARCH ESO ISS PBLA23 START 355.8
HIERARCH ESO ISS PBLA23 END 355.9
HIERARCH ESO ISS PBL24 START 11.026
HIERARCH ESO ISS PBL24 END 11.025
HIERARCH ESO ISS PBLA24 START 355.748
HIERARCH ESO ISS PBLA24 END 355.898
HIERARCH ESO ISS PBL34 START 22.07
HIERARCH ESO ISS PBL34 END 22.068
HIERARCH ESO ISS PBLA34 START 175.79
HIERARCH ESO ISS PBLA34 END 175.94
HIERARCH ESO ISS AMBI TAU0 START 0.002635
HIERARCH ESO ISS AMBI TAU0 END 0.002635
HIERARCH ESO ISS AMBI TEMP 7.88
HIERARCH ESO ISS AMBI FWHM START 1.01
HIERARCH ESO ISS AMBI FWHM END 1.01