Exposure
ID
MATIS.2025-06-18T03:50:37.075_1
Header ID
MATIS.2025-06-18T03:50:37.075
Date updated
2025-06-18 03:56:07 UTC+0000
Release date
2026-06-18 03:56:07 UTC+0000
UTC Start
2025-06-18 03:50:37.075
UTC End
2025-06-18 03:51:37.083
MJD Start
60844.16015133
MJD End
60844.16084586704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.0031374999999999997
Ambient temperature (°C)
6.99
Seeing (arcsec)
0.81
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 87.5340 87.6220 109.8000 109.8000
A0-J2 123.5930 123.7470 85.7000 85.8000
A0-K0 122.6770 122.8100 62.9620 63.0900
G1-J2 56.3270 56.3710 46.5000 46.6000
G1-K0 89.4780 89.4950 17.4850 17.6150
J2-K0 48.6320 48.6330 343.2930 343.3830
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 60844.16015133
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 87.534
HIERARCH ESO ISS PBL12 END 87.622
HIERARCH ESO ISS PBLA12 START 109.8
HIERARCH ESO ISS PBLA12 END 109.8
HIERARCH ESO ISS PBL13 START 123.593
HIERARCH ESO ISS PBL13 END 123.747
HIERARCH ESO ISS PBLA13 START 85.7
HIERARCH ESO ISS PBLA13 END 85.8
HIERARCH ESO ISS PBL14 START 122.677
HIERARCH ESO ISS PBL14 END 122.81
HIERARCH ESO ISS PBLA14 START 62.962
HIERARCH ESO ISS PBLA14 END 63.09
HIERARCH ESO ISS PBL23 START 56.327
HIERARCH ESO ISS PBL23 END 56.371
HIERARCH ESO ISS PBLA23 START 46.5
HIERARCH ESO ISS PBLA23 END 46.6
HIERARCH ESO ISS PBL24 START 89.478
HIERARCH ESO ISS PBL24 END 89.495
HIERARCH ESO ISS PBLA24 START 17.485
HIERARCH ESO ISS PBLA24 END 17.615
HIERARCH ESO ISS PBL34 START 48.632
HIERARCH ESO ISS PBL34 END 48.633
HIERARCH ESO ISS PBLA34 START 343.293
HIERARCH ESO ISS PBLA34 END 343.383
HIERARCH ESO ISS AMBI TAU0 START 0.003015
HIERARCH ESO ISS AMBI TAU0 END 0.00326
HIERARCH ESO ISS AMBI TEMP 6.99
HIERARCH ESO ISS AMBI FWHM START 0.81
HIERARCH ESO ISS AMBI FWHM END 0.81