Exposure
ID
MATIS.2025-08-14T03:21:17.624_1
Header ID
MATIS.2025-08-14T03:21:17.624
Date updated
2025-08-14 03:30:56 UTC+0000
Release date
2026-08-14 03:30:56 UTC+0000
UTC Start
2025-08-14 03:21:17.624
UTC End
2025-08-14 03:22:17.632
MJD Start
60901.13978731
MJD End
60901.14048184704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.0089905
Ambient temperature (°C)
14.29
Seeing (arcsec)
0.735
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 111.6530 111.4600 248.9000 249.0000
K0-D0 85.9340 85.7590 261.2000 261.3000
K0-J3 55.3830 55.3740 347.8610 348.0050
B2-D0 33.1430 33.1260 35.5000 35.6000
B2-J3 132.1200 132.0090 44.4620 44.5090
D0-J3 99.5100 99.4150 47.4210 47.4670
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 60901.13978731
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 111.653
HIERARCH ESO ISS PBL12 END 111.46
HIERARCH ESO ISS PBLA12 START 248.9
HIERARCH ESO ISS PBLA12 END 249.0
HIERARCH ESO ISS PBL13 START 85.934
HIERARCH ESO ISS PBL13 END 85.759
HIERARCH ESO ISS PBLA13 START 261.2
HIERARCH ESO ISS PBLA13 END 261.3
HIERARCH ESO ISS PBL14 START 55.383
HIERARCH ESO ISS PBL14 END 55.374
HIERARCH ESO ISS PBLA14 START 347.861
HIERARCH ESO ISS PBLA14 END 348.005
HIERARCH ESO ISS PBL23 START 33.143
HIERARCH ESO ISS PBL23 END 33.126
HIERARCH ESO ISS PBLA23 START 35.5
HIERARCH ESO ISS PBLA23 END 35.6
HIERARCH ESO ISS PBL24 START 132.12
HIERARCH ESO ISS PBL24 END 132.009
HIERARCH ESO ISS PBLA24 START 44.462
HIERARCH ESO ISS PBLA24 END 44.509
HIERARCH ESO ISS PBL34 START 99.51
HIERARCH ESO ISS PBL34 END 99.415
HIERARCH ESO ISS PBLA34 START 47.421
HIERARCH ESO ISS PBLA34 END 47.467
HIERARCH ESO ISS AMBI TAU0 START 0.008212
HIERARCH ESO ISS AMBI TAU0 END 0.009769
HIERARCH ESO ISS AMBI TEMP 14.29
HIERARCH ESO ISS AMBI FWHM START 0.84
HIERARCH ESO ISS AMBI FWHM END 0.63