Exposure
ID
MATIS.2025-06-27T05:04:34.397_1
Header ID
MATIS.2025-06-27T05:04:34.397
Date updated
2025-06-27 05:15:53 UTC+0000
Release date
2026-06-27 05:15:53 UTC+0000
UTC Start
2025-06-27 05:04:34.397
UTC End
2025-06-27 05:05:34.457
MJD Start
60853.21150923
MJD End
60853.21220436889
Exposure time (s)
60.1
Validation level
1
Tau 0: Coherence time (s)
0.001878
Ambient temperature (°C)
5.89
Seeing (arcsec)
0.8
Observation
ID
68241
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
SI_PHOT_LM_LOW
Instrument sub-mode
HYBRID
Stations
A0 B2 D0 C1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B2 25.1250 25.1190 146.4000 146.5000
A0-D0 31.7590 31.7440 74.3000 74.4000
A0-C1 22.3840 22.3720 119.6960 119.8080
B2-D0 33.9200 33.9170 29.4000 29.5000
B2-C1 11.2990 11.2980 29.4040 29.4930
D0-C1 22.6210 22.6190 209.4670 209.5550
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 60853.21150923
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME V VX Sgr
RA 272.015659
DEC -22.22406
HIERARCH ESO DET NAME MATISSE-LM
HIERARCH ESO INS FIL NAME LM
HIERARCH ESO INS FIL ID LM
HIERARCH ESO INS DIL NAME LOW
HIERARCH ESO INS DIL 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 0.111056
HIERARCH ESO DET SEQ1 PERIOD 0.273
HIERARCH ESO DET NDIT 220
HIERARCH ESO ISS PBL12 START 25.125
HIERARCH ESO ISS PBL12 END 25.119
HIERARCH ESO ISS PBLA12 START 146.4
HIERARCH ESO ISS PBLA12 END 146.5
HIERARCH ESO ISS PBL13 START 31.759
HIERARCH ESO ISS PBL13 END 31.744
HIERARCH ESO ISS PBLA13 START 74.3
HIERARCH ESO ISS PBLA13 END 74.4
HIERARCH ESO ISS PBL14 START 22.384
HIERARCH ESO ISS PBL14 END 22.372
HIERARCH ESO ISS PBLA14 START 119.696
HIERARCH ESO ISS PBLA14 END 119.808
HIERARCH ESO ISS PBL23 START 33.92
HIERARCH ESO ISS PBL23 END 33.917
HIERARCH ESO ISS PBLA23 START 29.4
HIERARCH ESO ISS PBLA23 END 29.5
HIERARCH ESO ISS PBL24 START 11.299
HIERARCH ESO ISS PBL24 END 11.298
HIERARCH ESO ISS PBLA24 START 29.404
HIERARCH ESO ISS PBLA24 END 29.493
HIERARCH ESO ISS PBL34 START 22.621
HIERARCH ESO ISS PBL34 END 22.619
HIERARCH ESO ISS PBLA34 START 209.467
HIERARCH ESO ISS PBLA34 END 209.555
HIERARCH ESO ISS AMBI TAU0 START 0.001878
HIERARCH ESO ISS AMBI TAU0 END 0.001878
HIERARCH ESO ISS AMBI TEMP 5.89
HIERARCH ESO ISS AMBI FWHM START 0.8
HIERARCH ESO ISS AMBI FWHM END 0.8