Exposure
ID
MATIS.2025-08-16T01:59:05.482_1
Header ID
MATIS.2025-08-16T01:59:05.482
Date updated
2025-08-16 02:05:51 UTC+0000
Release date
2026-08-16 02:05:50 UTC+0000
UTC Start
2025-08-16 01:59:05.482
UTC End
2025-08-16 02:00:05.490
MJD Start
60903.08270234
MJD End
60903.08339687704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.002237
Ambient temperature (°C)
9.25
Seeing (arcsec)
1.0
Observation
ID
68183
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
50684
Name
V VX Sgr
RA
272.016859
DEC
-22.22406
Instrument
Interferometer
VLTI
Instrument
MATISSE
Instrument mode
HIGH_SENS_N_LOW
Instrument sub-mode
HYBRID
Stations
K0 G2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
K0-G2 67.1250 67.0720 276.1000 276.2000
K0-D0 94.6430 94.5780 255.2000 255.3000
K0-J3 56.1840 56.1740 338.0800 338.1990
G2-D0 39.8680 39.8600 218.4000 218.5000
G2-J3 64.1960 64.1770 45.4830 45.5590
D0-J3 103.8770 103.8500 42.7740 42.8510
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 60903.08270234
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME V VX Sgr
RA 272.016859
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 K0
HIERARCH ESO ISS CONF STATION2 G2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 J3
EXPTIME 0.0200088
HIERARCH ESO DET SEQ1 PERIOD 0.026
HIERARCH ESO DET NDIT 2308
HIERARCH ESO ISS PBL12 START 67.125
HIERARCH ESO ISS PBL12 END 67.072
HIERARCH ESO ISS PBLA12 START 276.1
HIERARCH ESO ISS PBLA12 END 276.2
HIERARCH ESO ISS PBL13 START 94.643
HIERARCH ESO ISS PBL13 END 94.578
HIERARCH ESO ISS PBLA13 START 255.2
HIERARCH ESO ISS PBLA13 END 255.3
HIERARCH ESO ISS PBL14 START 56.184
HIERARCH ESO ISS PBL14 END 56.174
HIERARCH ESO ISS PBLA14 START 338.08
HIERARCH ESO ISS PBLA14 END 338.199
HIERARCH ESO ISS PBL23 START 39.868
HIERARCH ESO ISS PBL23 END 39.86
HIERARCH ESO ISS PBLA23 START 218.4
HIERARCH ESO ISS PBLA23 END 218.5
HIERARCH ESO ISS PBL24 START 64.196
HIERARCH ESO ISS PBL24 END 64.177
HIERARCH ESO ISS PBLA24 START 45.483
HIERARCH ESO ISS PBLA24 END 45.559
HIERARCH ESO ISS PBL34 START 103.877
HIERARCH ESO ISS PBL34 END 103.85
HIERARCH ESO ISS PBLA34 START 42.774
HIERARCH ESO ISS PBLA34 END 42.851
HIERARCH ESO ISS AMBI TAU0 START 0.002237
HIERARCH ESO ISS AMBI TAU0 END 0.002237
HIERARCH ESO ISS AMBI TEMP 9.25
HIERARCH ESO ISS AMBI FWHM START 1.0
HIERARCH ESO ISS AMBI FWHM END 1.0