Exposure
ID
MATIS.2025-08-14T03:13:57.337_1
Header ID
MATIS.2025-08-14T03:13:57.337
Date updated
2025-08-14 03:20:53 UTC+0000
Release date
2026-08-14 03:20:52 UTC+0000
UTC Start
2025-08-14 03:13:57.337
UTC End
2025-08-14 03:14:57.345
MJD Start
60901.1346914
MJD End
60901.13538593704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.0059465
Ambient temperature (°C)
14.42
Seeing (arcsec)
0.74
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 112.9950 112.8140 248.5000 248.6000
K0-D0 87.1500 86.9860 260.6000 260.7000
K0-J3 55.4570 55.4470 346.8270 346.9700
B2-D0 33.2630 33.2470 35.1000 35.2000
B2-J3 132.8910 132.7880 44.1080 44.1580
D0-J3 100.1680 100.0800 47.0740 47.1240
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 60901.1346914
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 112.995
HIERARCH ESO ISS PBL12 END 112.814
HIERARCH ESO ISS PBLA12 START 248.5
HIERARCH ESO ISS PBLA12 END 248.6
HIERARCH ESO ISS PBL13 START 87.15
HIERARCH ESO ISS PBL13 END 86.986
HIERARCH ESO ISS PBLA13 START 260.6
HIERARCH ESO ISS PBLA13 END 260.7
HIERARCH ESO ISS PBL14 START 55.457
HIERARCH ESO ISS PBL14 END 55.447
HIERARCH ESO ISS PBLA14 START 346.827
HIERARCH ESO ISS PBLA14 END 346.97
HIERARCH ESO ISS PBL23 START 33.263
HIERARCH ESO ISS PBL23 END 33.247
HIERARCH ESO ISS PBLA23 START 35.1
HIERARCH ESO ISS PBLA23 END 35.2
HIERARCH ESO ISS PBL24 START 132.891
HIERARCH ESO ISS PBL24 END 132.788
HIERARCH ESO ISS PBLA24 START 44.108
HIERARCH ESO ISS PBLA24 END 44.158
HIERARCH ESO ISS PBL34 START 100.168
HIERARCH ESO ISS PBL34 END 100.08
HIERARCH ESO ISS PBLA34 START 47.074
HIERARCH ESO ISS PBLA34 END 47.124
HIERARCH ESO ISS AMBI TAU0 START 0.005553
HIERARCH ESO ISS AMBI TAU0 END 0.00634
HIERARCH ESO ISS AMBI TEMP 14.42
HIERARCH ESO ISS AMBI FWHM START 0.7
HIERARCH ESO ISS AMBI FWHM END 0.78