Exposure
ID
MATIS.2025-08-16T01:57:42.841_1
Header ID
MATIS.2025-08-16T01:57:42.841
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 01:57:42.841
UTC End
2025-08-16 01:58:42.849
MJD Start
60903.08174584
MJD End
60903.08244037704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.0022094999999999997
Ambient temperature (°C)
9.29
Seeing (arcsec)
0.975
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 67.1950 67.1430 275.9000 276.0000
K0-D0 94.7270 94.6640 255.1000 255.2000
K0-J3 56.1970 56.1870 337.9170 338.0350
G2-D0 39.8790 39.8710 218.3000 218.4000
G2-J3 64.2200 64.2020 45.3750 45.4520
D0-J3 103.9110 103.8860 42.6650 42.7420
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 60903.08174584
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 67.195
HIERARCH ESO ISS PBL12 END 67.143
HIERARCH ESO ISS PBLA12 START 275.9
HIERARCH ESO ISS PBLA12 END 276.0
HIERARCH ESO ISS PBL13 START 94.727
HIERARCH ESO ISS PBL13 END 94.664
HIERARCH ESO ISS PBLA13 START 255.1
HIERARCH ESO ISS PBLA13 END 255.2
HIERARCH ESO ISS PBL14 START 56.197
HIERARCH ESO ISS PBL14 END 56.187
HIERARCH ESO ISS PBLA14 START 337.917
HIERARCH ESO ISS PBLA14 END 338.035
HIERARCH ESO ISS PBL23 START 39.879
HIERARCH ESO ISS PBL23 END 39.871
HIERARCH ESO ISS PBLA23 START 218.3
HIERARCH ESO ISS PBLA23 END 218.4
HIERARCH ESO ISS PBL24 START 64.22
HIERARCH ESO ISS PBL24 END 64.202
HIERARCH ESO ISS PBLA24 START 45.375
HIERARCH ESO ISS PBLA24 END 45.452
HIERARCH ESO ISS PBL34 START 103.911
HIERARCH ESO ISS PBL34 END 103.886
HIERARCH ESO ISS PBLA34 START 42.665
HIERARCH ESO ISS PBLA34 END 42.742
HIERARCH ESO ISS AMBI TAU0 START 0.002182
HIERARCH ESO ISS AMBI TAU0 END 0.002237
HIERARCH ESO ISS AMBI TEMP 9.29
HIERARCH ESO ISS AMBI FWHM START 0.95
HIERARCH ESO ISS AMBI FWHM END 1.0