Exposure
ID
MATIS.2025-06-27T05:12:03.573_1
Header ID
MATIS.2025-06-27T05:12:03.573
Date updated
2025-06-27 05:20:47 UTC+0000
Release date
2026-06-27 05:20:47 UTC+0000
UTC Start
2025-06-27 05:12:03.573
UTC End
2025-06-27 05:13:03.581
MJD Start
60853.21670802
MJD End
60853.21740255704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.0015915
Ambient temperature (°C)
5.93
Seeing (arcsec)
0.91
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 25.0730 25.0650 147.3000 147.4000
A0-D0 31.6300 31.6110 74.9000 75.0000
A0-C1 22.2900 22.2760 120.5450 120.6630
B2-D0 33.9010 33.8980 30.1000 30.2000
B2-C1 11.2930 11.2920 30.0580 30.1460
D0-C1 22.6080 22.6060 210.1210 210.2080
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 60853.21670802
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 25.073
HIERARCH ESO ISS PBL12 END 25.065
HIERARCH ESO ISS PBLA12 START 147.3
HIERARCH ESO ISS PBLA12 END 147.4
HIERARCH ESO ISS PBL13 START 31.63
HIERARCH ESO ISS PBL13 END 31.611
HIERARCH ESO ISS PBLA13 START 74.9
HIERARCH ESO ISS PBLA13 END 75.0
HIERARCH ESO ISS PBL14 START 22.29
HIERARCH ESO ISS PBL14 END 22.276
HIERARCH ESO ISS PBLA14 START 120.545
HIERARCH ESO ISS PBLA14 END 120.663
HIERARCH ESO ISS PBL23 START 33.901
HIERARCH ESO ISS PBL23 END 33.898
HIERARCH ESO ISS PBLA23 START 30.1
HIERARCH ESO ISS PBLA23 END 30.2
HIERARCH ESO ISS PBL24 START 11.293
HIERARCH ESO ISS PBL24 END 11.292
HIERARCH ESO ISS PBLA24 START 30.058
HIERARCH ESO ISS PBLA24 END 30.146
HIERARCH ESO ISS PBL34 START 22.608
HIERARCH ESO ISS PBL34 END 22.606
HIERARCH ESO ISS PBLA34 START 210.121
HIERARCH ESO ISS PBLA34 END 210.208
HIERARCH ESO ISS AMBI TAU0 START 0.001558
HIERARCH ESO ISS AMBI TAU0 END 0.001625
HIERARCH ESO ISS AMBI TEMP 5.93
HIERARCH ESO ISS AMBI FWHM START 0.89
HIERARCH ESO ISS AMBI FWHM END 0.93