Exposure
ID
MATIS.2025-06-28T00:26:08.843_1
Header ID
MATIS.2025-06-28T00:26:08.843
Date updated
2025-06-28 00:36:51 UTC+0000
Release date
2026-06-28 00:36:50 UTC+0000
UTC Start
2025-06-28 00:26:08.843
UTC End
2025-06-28 00:27:08.851
MJD Start
60854.01815791
MJD End
60854.01885244704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.002319
Ambient temperature (°C)
6.85
Seeing (arcsec)
0.675
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 20.1240 20.1710 132.0000 132.0000
A0-D0 22.5880 22.6360 30.4000 30.7000
A0-C1 14.0020 14.0740 100.2410 100.2840
B2-D0 33.1310 33.1270 353.9000 354.0000
B2-C1 11.0380 11.0370 353.8650 354.0130
D0-C1 22.0930 22.0910 173.9030 174.0520
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 60854.01815791
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 20.124
HIERARCH ESO ISS PBL12 END 20.171
HIERARCH ESO ISS PBLA12 START 132.0
HIERARCH ESO ISS PBLA12 END 132.0
HIERARCH ESO ISS PBL13 START 22.588
HIERARCH ESO ISS PBL13 END 22.636
HIERARCH ESO ISS PBLA13 START 30.4
HIERARCH ESO ISS PBLA13 END 30.7
HIERARCH ESO ISS PBL14 START 14.002
HIERARCH ESO ISS PBL14 END 14.074
HIERARCH ESO ISS PBLA14 START 100.241
HIERARCH ESO ISS PBLA14 END 100.284
HIERARCH ESO ISS PBL23 START 33.131
HIERARCH ESO ISS PBL23 END 33.127
HIERARCH ESO ISS PBLA23 START 353.9
HIERARCH ESO ISS PBLA23 END 354.0
HIERARCH ESO ISS PBL24 START 11.038
HIERARCH ESO ISS PBL24 END 11.037
HIERARCH ESO ISS PBLA24 START 353.865
HIERARCH ESO ISS PBLA24 END 354.013
HIERARCH ESO ISS PBL34 START 22.093
HIERARCH ESO ISS PBL34 END 22.091
HIERARCH ESO ISS PBLA34 START 173.903
HIERARCH ESO ISS PBLA34 END 174.052
HIERARCH ESO ISS AMBI TAU0 START 0.002319
HIERARCH ESO ISS AMBI TAU0 END 0.002319
HIERARCH ESO ISS AMBI TEMP 6.85
HIERARCH ESO ISS AMBI FWHM START 0.69
HIERARCH ESO ISS AMBI FWHM END 0.66