Exposure
ID
MATIS.2025-07-17T06:28:24.942_1
Header ID
MATIS.2025-07-17T06:28:24.942
Date updated
2025-07-17 06:35:49 UTC+0000
Release date
2026-07-17 06:35:49 UTC+0000
UTC Start
2025-07-17 06:28:24.942
UTC End
2025-07-17 06:29:24.950
MJD Start
60873.26973313
MJD End
60873.27042766704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.004126
Ambient temperature (°C)
13.75
Seeing (arcsec)
0.84
Observation
ID
68120
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 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 72.9040 72.7840 146.6000 146.9000
A0-J2 92.3270 91.9990 117.9000 118.1000
A0-K0 91.7200 91.3540 87.2510 87.3370
G1-J2 45.1300 44.9910 66.9000 66.9000
G1-K0 83.1770 83.0860 38.2800 38.2970
J2-K0 48.6350 48.6360 11.8800 11.9820
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 60873.26973313
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 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 K0
EXPTIME 0.0200088
HIERARCH ESO DET SEQ1 PERIOD 0.026
HIERARCH ESO DET NDIT 2308
HIERARCH ESO ISS PBL12 START 72.904
HIERARCH ESO ISS PBL12 END 72.784
HIERARCH ESO ISS PBLA12 START 146.6
HIERARCH ESO ISS PBLA12 END 146.9
HIERARCH ESO ISS PBL13 START 92.327
HIERARCH ESO ISS PBL13 END 91.999
HIERARCH ESO ISS PBLA13 START 117.9
HIERARCH ESO ISS PBLA13 END 118.1
HIERARCH ESO ISS PBL14 START 91.72
HIERARCH ESO ISS PBL14 END 91.354
HIERARCH ESO ISS PBLA14 START 87.251
HIERARCH ESO ISS PBLA14 END 87.337
HIERARCH ESO ISS PBL23 START 45.13
HIERARCH ESO ISS PBL23 END 44.991
HIERARCH ESO ISS PBLA23 START 66.9
HIERARCH ESO ISS PBLA23 END 66.9
HIERARCH ESO ISS PBL24 START 83.177
HIERARCH ESO ISS PBL24 END 83.086
HIERARCH ESO ISS PBLA24 START 38.28
HIERARCH ESO ISS PBLA24 END 38.297
HIERARCH ESO ISS PBL34 START 48.635
HIERARCH ESO ISS PBL34 END 48.636
HIERARCH ESO ISS PBLA34 START 11.88
HIERARCH ESO ISS PBLA34 END 11.982
HIERARCH ESO ISS AMBI TAU0 START 0.003982
HIERARCH ESO ISS AMBI TAU0 END 0.00427
HIERARCH ESO ISS AMBI TEMP 13.75
HIERARCH ESO ISS AMBI FWHM START 0.84
HIERARCH ESO ISS AMBI FWHM END 0.84