Exposure
ID
MATIS.2025-08-14T03:17:40.190_1
Header ID
MATIS.2025-08-14T03:17:40.190
Date updated
2025-08-14 03:25:54 UTC+0000
Release date
2026-08-14 03:25:54 UTC+0000
UTC Start
2025-08-14 03:17:40.190
UTC End
2025-08-14 03:18:40.198
MJD Start
60901.13727072
MJD End
60901.13796525704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.0071125
Ambient temperature (°C)
14.35
Seeing (arcsec)
0.7849999999999999
Observation
ID
69986
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
51926
Name
V VX Sgr
RA
272.016259
DEC
-22.22406
Instrument
Interferometer
VLTI
Instrument
MATISSE
Instrument mode
HIGH_SENS_N_LOW
Instrument sub-mode
HYBRID
Stations
K0 B2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
K0-B2 112.3290 112.1420 248.7000 248.8000
K0-D0 86.5460 86.3770 260.9000 261.0000
K0-J3 55.4190 55.4090 347.3470 347.4910
B2-D0 33.2040 33.1870 35.3000 35.4000
B2-J3 132.5100 132.4020 44.2890 44.3380
D0-J3 99.8430 99.7510 47.2520 47.3000
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 60901.13727072
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME V VX Sgr
RA 272.016259
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 K0
HIERARCH ESO ISS CONF STATION2 B2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 J3
EXPTIME 0.0200088
HIERARCH ESO DET SEQ1 PERIOD 0.026
HIERARCH ESO DET NDIT 2308
HIERARCH ESO ISS PBL12 START 112.329
HIERARCH ESO ISS PBL12 END 112.142
HIERARCH ESO ISS PBLA12 START 248.7
HIERARCH ESO ISS PBLA12 END 248.8
HIERARCH ESO ISS PBL13 START 86.546
HIERARCH ESO ISS PBL13 END 86.377
HIERARCH ESO ISS PBLA13 START 260.9
HIERARCH ESO ISS PBLA13 END 261.0
HIERARCH ESO ISS PBL14 START 55.419
HIERARCH ESO ISS PBL14 END 55.409
HIERARCH ESO ISS PBLA14 START 347.347
HIERARCH ESO ISS PBLA14 END 347.491
HIERARCH ESO ISS PBL23 START 33.204
HIERARCH ESO ISS PBL23 END 33.187
HIERARCH ESO ISS PBLA23 START 35.3
HIERARCH ESO ISS PBLA23 END 35.4
HIERARCH ESO ISS PBL24 START 132.51
HIERARCH ESO ISS PBL24 END 132.402
HIERARCH ESO ISS PBLA24 START 44.289
HIERARCH ESO ISS PBLA24 END 44.338
HIERARCH ESO ISS PBL34 START 99.843
HIERARCH ESO ISS PBL34 END 99.751
HIERARCH ESO ISS PBLA34 START 47.252
HIERARCH ESO ISS PBLA34 END 47.3
HIERARCH ESO ISS AMBI TAU0 START 0.006366
HIERARCH ESO ISS AMBI TAU0 END 0.007859
HIERARCH ESO ISS AMBI TEMP 14.35
HIERARCH ESO ISS AMBI FWHM START 0.85
HIERARCH ESO ISS AMBI FWHM END 0.72