Exposure
ID
MATIS.2025-06-25T00:56:58.858_1
Header ID
MATIS.2025-06-25T00:56:58.858
Date updated
2025-06-25 01:05:47 UTC+0000
Release date
2026-06-25 01:05:47 UTC+0000
UTC Start
2025-06-25 00:56:58.858
UTC End
2025-06-25 00:57:58.866
MJD Start
60851.03957012
MJD End
60851.040264657044
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.002516
Ambient temperature (°C)
7.79
Seeing (arcsec)
1.05
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 20.9710 21.0140 131.7000 131.7000
A0-D0 23.5230 23.5750 35.8000 36.0000
A0-C1 15.3060 15.3740 101.0850 101.1320
B2-D0 33.0840 33.0820 356.7000 356.8000
B2-C1 11.0220 11.0210 356.6570 356.8070
D0-C1 22.0620 22.0610 176.6990 176.8500
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 60851.03957012
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 20.971
HIERARCH ESO ISS PBL12 END 21.014
HIERARCH ESO ISS PBLA12 START 131.7
HIERARCH ESO ISS PBLA12 END 131.7
HIERARCH ESO ISS PBL13 START 23.523
HIERARCH ESO ISS PBL13 END 23.575
HIERARCH ESO ISS PBLA13 START 35.8
HIERARCH ESO ISS PBLA13 END 36.0
HIERARCH ESO ISS PBL14 START 15.306
HIERARCH ESO ISS PBL14 END 15.374
HIERARCH ESO ISS PBLA14 START 101.085
HIERARCH ESO ISS PBLA14 END 101.132
HIERARCH ESO ISS PBL23 START 33.084
HIERARCH ESO ISS PBL23 END 33.082
HIERARCH ESO ISS PBLA23 START 356.7
HIERARCH ESO ISS PBLA23 END 356.8
HIERARCH ESO ISS PBL24 START 11.022
HIERARCH ESO ISS PBL24 END 11.021
HIERARCH ESO ISS PBLA24 START 356.657
HIERARCH ESO ISS PBLA24 END 356.807
HIERARCH ESO ISS PBL34 START 22.062
HIERARCH ESO ISS PBL34 END 22.061
HIERARCH ESO ISS PBLA34 START 176.699
HIERARCH ESO ISS PBLA34 END 176.85
HIERARCH ESO ISS AMBI TAU0 START 0.002635
HIERARCH ESO ISS AMBI TAU0 END 0.002397
HIERARCH ESO ISS AMBI TEMP 7.79
HIERARCH ESO ISS AMBI FWHM START 1.05
HIERARCH ESO ISS AMBI FWHM END 1.05