Exposure
ID
MATIS.2025-06-28T00:31:58.687_1
Header ID
MATIS.2025-06-28T00:31:58.687
Date updated
2025-06-28 00:41:16 UTC+0000
Release date
2026-06-28 00:41:15 UTC+0000
UTC Start
2025-06-28 00:31:58.687
UTC End
2025-06-28 00:32:58.695
MJD Start
60854.02220702
MJD End
60854.022901557044
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.0027004999999999998
Ambient temperature (°C)
6.82
Seeing (arcsec)
0.545
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 20.3900 20.4360 131.9000 131.9000
A0-D0 22.8640 22.9140 32.1000 32.4000
A0-C1 14.4110 14.4820 100.4930 100.5380
B2-D0 33.1130 33.1110 354.7000 354.9000
B2-C1 11.0320 11.0310 354.7170 354.8660
D0-C1 22.0810 22.0800 174.7570 174.9060
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 60854.02220702
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 20.39
HIERARCH ESO ISS PBL12 END 20.436
HIERARCH ESO ISS PBLA12 START 131.9
HIERARCH ESO ISS PBLA12 END 131.9
HIERARCH ESO ISS PBL13 START 22.864
HIERARCH ESO ISS PBL13 END 22.914
HIERARCH ESO ISS PBLA13 START 32.1
HIERARCH ESO ISS PBLA13 END 32.4
HIERARCH ESO ISS PBL14 START 14.411
HIERARCH ESO ISS PBL14 END 14.482
HIERARCH ESO ISS PBLA14 START 100.493
HIERARCH ESO ISS PBLA14 END 100.538
HIERARCH ESO ISS PBL23 START 33.113
HIERARCH ESO ISS PBL23 END 33.111
HIERARCH ESO ISS PBLA23 START 354.7
HIERARCH ESO ISS PBLA23 END 354.9
HIERARCH ESO ISS PBL24 START 11.032
HIERARCH ESO ISS PBL24 END 11.031
HIERARCH ESO ISS PBLA24 START 354.717
HIERARCH ESO ISS PBLA24 END 354.866
HIERARCH ESO ISS PBL34 START 22.081
HIERARCH ESO ISS PBL34 END 22.08
HIERARCH ESO ISS PBLA34 START 174.757
HIERARCH ESO ISS PBLA34 END 174.906
HIERARCH ESO ISS AMBI TAU0 START 0.00241
HIERARCH ESO ISS AMBI TAU0 END 0.002991
HIERARCH ESO ISS AMBI TEMP 6.82
HIERARCH ESO ISS AMBI FWHM START 0.56
HIERARCH ESO ISS AMBI FWHM END 0.53