Exposure
ID
MATIS.2025-06-18T03:52:20.377_1
Header ID
MATIS.2025-06-18T03:52:20.377
Date updated
2025-06-18 04:01:18 UTC+0000
Release date
2026-06-18 04:01:18 UTC+0000
UTC Start
2025-06-18 03:52:20.377
UTC End
2025-06-18 03:53:20.385
MJD Start
60844.16134696
MJD End
60844.16204149704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.00326
Ambient temperature (°C)
6.95
Seeing (arcsec)
0.79
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 87.6830 87.7690 109.9000 110.0000
A0-J2 123.8520 124.0020 85.9000 86.0000
A0-K0 122.9010 123.0310 63.1780 63.3050
G1-J2 56.4010 56.4440 46.7000 46.9000
G1-K0 89.5060 89.5230 17.7040 17.8340
J2-K0 48.6340 48.6360 343.4460 343.5370
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 60844.16134696
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 87.683
HIERARCH ESO ISS PBL12 END 87.769
HIERARCH ESO ISS PBLA12 START 109.9
HIERARCH ESO ISS PBLA12 END 110.0
HIERARCH ESO ISS PBL13 START 123.852
HIERARCH ESO ISS PBL13 END 124.002
HIERARCH ESO ISS PBLA13 START 85.9
HIERARCH ESO ISS PBLA13 END 86.0
HIERARCH ESO ISS PBL14 START 122.901
HIERARCH ESO ISS PBL14 END 123.031
HIERARCH ESO ISS PBLA14 START 63.178
HIERARCH ESO ISS PBLA14 END 63.305
HIERARCH ESO ISS PBL23 START 56.401
HIERARCH ESO ISS PBL23 END 56.444
HIERARCH ESO ISS PBLA23 START 46.7
HIERARCH ESO ISS PBLA23 END 46.9
HIERARCH ESO ISS PBL24 START 89.506
HIERARCH ESO ISS PBL24 END 89.523
HIERARCH ESO ISS PBLA24 START 17.704
HIERARCH ESO ISS PBLA24 END 17.834
HIERARCH ESO ISS PBL34 START 48.634
HIERARCH ESO ISS PBL34 END 48.636
HIERARCH ESO ISS PBLA34 START 343.446
HIERARCH ESO ISS PBLA34 END 343.537
HIERARCH ESO ISS AMBI TAU0 START 0.00326
HIERARCH ESO ISS AMBI TAU0 END 0.00326
HIERARCH ESO ISS AMBI TEMP 6.95
HIERARCH ESO ISS AMBI FWHM START 0.81
HIERARCH ESO ISS AMBI FWHM END 0.77