Exposure
ID
MATIS.2025-06-28T05:08:43.971_1
Header ID
MATIS.2025-06-28T05:08:43.971
Date updated
2025-06-28 05:16:21 UTC+0000
Release date
2026-06-28 05:16:21 UTC+0000
UTC Start
2025-06-28 05:08:43.971
UTC End
2025-06-28 05:09:43.979
MJD Start
60854.21439781
MJD End
60854.21509234704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.001873
Ambient temperature (°C)
4.75
Seeing (arcsec)
0.81
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 25.0690 25.0610 147.4000 147.5000
A0-D0 31.6190 31.5990 75.0000 75.1000
A0-C1 22.2820 22.2680 120.6140 120.7340
B2-D0 33.8990 33.8960 30.2000 30.2000
B2-C1 11.2920 11.2910 30.1100 30.1980
D0-C1 22.6070 22.6050 210.1730 210.2610
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 60854.21439781
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 25.069
HIERARCH ESO ISS PBL12 END 25.061
HIERARCH ESO ISS PBLA12 START 147.4
HIERARCH ESO ISS PBLA12 END 147.5
HIERARCH ESO ISS PBL13 START 31.619
HIERARCH ESO ISS PBL13 END 31.599
HIERARCH ESO ISS PBLA13 START 75.0
HIERARCH ESO ISS PBLA13 END 75.1
HIERARCH ESO ISS PBL14 START 22.282
HIERARCH ESO ISS PBL14 END 22.268
HIERARCH ESO ISS PBLA14 START 120.614
HIERARCH ESO ISS PBLA14 END 120.734
HIERARCH ESO ISS PBL23 START 33.899
HIERARCH ESO ISS PBL23 END 33.896
HIERARCH ESO ISS PBLA23 START 30.2
HIERARCH ESO ISS PBLA23 END 30.2
HIERARCH ESO ISS PBL24 START 11.292
HIERARCH ESO ISS PBL24 END 11.291
HIERARCH ESO ISS PBLA24 START 30.11
HIERARCH ESO ISS PBLA24 END 30.198
HIERARCH ESO ISS PBL34 START 22.607
HIERARCH ESO ISS PBL34 END 22.605
HIERARCH ESO ISS PBLA34 START 210.173
HIERARCH ESO ISS PBLA34 END 210.261
HIERARCH ESO ISS AMBI TAU0 START 0.001873
HIERARCH ESO ISS AMBI TAU0 END 0.001873
HIERARCH ESO ISS AMBI TEMP 4.75
HIERARCH ESO ISS AMBI FWHM START 0.81
HIERARCH ESO ISS AMBI FWHM END 0.81