Exposure
ID
MATIS.2025-06-28T05:00:22.780_1
Header ID
MATIS.2025-06-28T05:00:22.780
Date updated
2025-06-28 05:11:28 UTC+0000
Release date
2026-06-28 05:11:28 UTC+0000
UTC Start
2025-06-28 05:00:22.780
UTC End
2025-06-28 05:01:22.788
MJD Start
60854.20859699
MJD End
60854.20929152704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.001922
Ambient temperature (°C)
4.77
Seeing (arcsec)
0.745
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 25.1270 25.1210 146.4000 146.5000
A0-D0 31.7640 31.7480 74.3000 74.3000
A0-C1 22.3870 22.3750 119.6670 119.7800
B2-D0 33.9200 33.9180 29.4000 29.5000
B2-C1 11.2990 11.2980 29.3810 29.4710
D0-C1 22.6210 22.6200 209.4440 209.5340
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 60854.20859699
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 25.127
HIERARCH ESO ISS PBL12 END 25.121
HIERARCH ESO ISS PBLA12 START 146.4
HIERARCH ESO ISS PBLA12 END 146.5
HIERARCH ESO ISS PBL13 START 31.764
HIERARCH ESO ISS PBL13 END 31.748
HIERARCH ESO ISS PBLA13 START 74.3
HIERARCH ESO ISS PBLA13 END 74.3
HIERARCH ESO ISS PBL14 START 22.387
HIERARCH ESO ISS PBL14 END 22.375
HIERARCH ESO ISS PBLA14 START 119.667
HIERARCH ESO ISS PBLA14 END 119.78
HIERARCH ESO ISS PBL23 START 33.92
HIERARCH ESO ISS PBL23 END 33.918
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 29.381
HIERARCH ESO ISS PBLA24 END 29.471
HIERARCH ESO ISS PBL34 START 22.621
HIERARCH ESO ISS PBL34 END 22.62
HIERARCH ESO ISS PBLA34 START 209.444
HIERARCH ESO ISS PBLA34 END 209.534
HIERARCH ESO ISS AMBI TAU0 START 0.001855
HIERARCH ESO ISS AMBI TAU0 END 0.001989
HIERARCH ESO ISS AMBI TEMP 4.77
HIERARCH ESO ISS AMBI FWHM START 0.75
HIERARCH ESO ISS AMBI FWHM END 0.74