Exposure
ID
MATIS.2025-06-27T05:05:48.275_1
Header ID
MATIS.2025-06-27T05:05:48.275
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 05:05:48.275
UTC End
2025-06-27 05:06:48.283
MJD Start
60853.21236429
MJD End
60853.21305882704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.0019485
Ambient temperature (°C)
5.86
Seeing (arcsec)
0.79
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 25.1170 25.1100 146.6000 146.7000
A0-D0 31.7400 31.7230 74.4000 74.5000
A0-C1 22.3690 22.3570 119.8320 119.9490
B2-D0 33.9170 33.9150 29.6000 29.6000
B2-C1 11.2980 11.2970 29.5120 29.6030
D0-C1 22.6190 22.6170 209.5750 209.6660
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 60853.21236429
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 25.117
HIERARCH ESO ISS PBL12 END 25.11
HIERARCH ESO ISS PBLA12 START 146.6
HIERARCH ESO ISS PBLA12 END 146.7
HIERARCH ESO ISS PBL13 START 31.74
HIERARCH ESO ISS PBL13 END 31.723
HIERARCH ESO ISS PBLA13 START 74.4
HIERARCH ESO ISS PBLA13 END 74.5
HIERARCH ESO ISS PBL14 START 22.369
HIERARCH ESO ISS PBL14 END 22.357
HIERARCH ESO ISS PBLA14 START 119.832
HIERARCH ESO ISS PBLA14 END 119.949
HIERARCH ESO ISS PBL23 START 33.917
HIERARCH ESO ISS PBL23 END 33.915
HIERARCH ESO ISS PBLA23 START 29.6
HIERARCH ESO ISS PBLA23 END 29.6
HIERARCH ESO ISS PBL24 START 11.298
HIERARCH ESO ISS PBL24 END 11.297
HIERARCH ESO ISS PBLA24 START 29.512
HIERARCH ESO ISS PBLA24 END 29.603
HIERARCH ESO ISS PBL34 START 22.619
HIERARCH ESO ISS PBL34 END 22.617
HIERARCH ESO ISS PBLA34 START 209.575
HIERARCH ESO ISS PBLA34 END 209.666
HIERARCH ESO ISS AMBI TAU0 START 0.001878
HIERARCH ESO ISS AMBI TAU0 END 0.002019
HIERARCH ESO ISS AMBI TEMP 5.86
HIERARCH ESO ISS AMBI FWHM START 0.8
HIERARCH ESO ISS AMBI FWHM END 0.78