Exposure
ID
MATIS.2025-06-28T00:38:09.632_1
Header ID
MATIS.2025-06-28T00:38:09.632
Date updated
2025-06-28 00:46:09 UTC+0000
Release date
2026-06-28 00:46:08 UTC+0000
UTC Start
2025-06-28 00:38:09.632
UTC End
2025-06-28 00:39:09.640
MJD Start
60854.02650037
MJD End
60854.02719490704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.002888
Ambient temperature (°C)
6.76
Seeing (arcsec)
0.53
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 20.6660 20.7110 131.8000 131.8000
A0-D0 23.1670 23.2180 33.8000 34.1000
A0-C1 14.8360 14.9050 100.7670 100.8130
B2-D0 33.0980 33.0950 355.7000 355.8000
B2-C1 11.0270 11.0260 355.6240 355.7730
D0-C1 22.0710 22.0700 175.6650 175.8150
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 60854.02650037
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 20.666
HIERARCH ESO ISS PBL12 END 20.711
HIERARCH ESO ISS PBLA12 START 131.8
HIERARCH ESO ISS PBLA12 END 131.8
HIERARCH ESO ISS PBL13 START 23.167
HIERARCH ESO ISS PBL13 END 23.218
HIERARCH ESO ISS PBLA13 START 33.8
HIERARCH ESO ISS PBLA13 END 34.1
HIERARCH ESO ISS PBL14 START 14.836
HIERARCH ESO ISS PBL14 END 14.905
HIERARCH ESO ISS PBLA14 START 100.767
HIERARCH ESO ISS PBLA14 END 100.813
HIERARCH ESO ISS PBL23 START 33.098
HIERARCH ESO ISS PBL23 END 33.095
HIERARCH ESO ISS PBLA23 START 355.7
HIERARCH ESO ISS PBLA23 END 355.8
HIERARCH ESO ISS PBL24 START 11.027
HIERARCH ESO ISS PBL24 END 11.026
HIERARCH ESO ISS PBLA24 START 355.624
HIERARCH ESO ISS PBLA24 END 355.773
HIERARCH ESO ISS PBL34 START 22.071
HIERARCH ESO ISS PBL34 END 22.07
HIERARCH ESO ISS PBLA34 START 175.665
HIERARCH ESO ISS PBLA34 END 175.815
HIERARCH ESO ISS AMBI TAU0 START 0.002888
HIERARCH ESO ISS AMBI TAU0 END 0.002888
HIERARCH ESO ISS AMBI TEMP 6.76
HIERARCH ESO ISS AMBI FWHM START 0.53
HIERARCH ESO ISS AMBI FWHM END 0.53