Exposure
ID
MATIS.2025-06-21T07:04:56.999_1
Header ID
MATIS.2025-06-21T07:04:56.999
Date updated
2025-06-21 07:15:35 UTC+0000
Release date
2026-06-21 07:15:34 UTC+0000
UTC Start
2025-06-21 07:04:56.999
UTC End
2025-06-21 07:05:57.007
MJD Start
60847.29510415
MJD End
60847.29579868704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.0036055
Ambient temperature (°C)
12.03
Seeing (arcsec)
0.45999999999999996
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 58.9720 58.8330 285.7000 285.8000
K0-D0 83.9060 83.7120 262.0000 262.1000
K0-J3 55.2780 55.2690 349.4820 349.6320
G2-D0 38.1280 38.0930 223.7000 223.7000
G2-J3 60.4340 60.3600 50.5750 50.6150
D0-J3 98.3930 98.2850 47.9060 47.9470
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 60847.29510415
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 58.972
HIERARCH ESO ISS PBL12 END 58.833
HIERARCH ESO ISS PBLA12 START 285.7
HIERARCH ESO ISS PBLA12 END 285.8
HIERARCH ESO ISS PBL13 START 83.906
HIERARCH ESO ISS PBL13 END 83.712
HIERARCH ESO ISS PBLA13 START 262.0
HIERARCH ESO ISS PBLA13 END 262.1
HIERARCH ESO ISS PBL14 START 55.278
HIERARCH ESO ISS PBL14 END 55.269
HIERARCH ESO ISS PBLA14 START 349.482
HIERARCH ESO ISS PBLA14 END 349.632
HIERARCH ESO ISS PBL23 START 38.128
HIERARCH ESO ISS PBL23 END 38.093
HIERARCH ESO ISS PBLA23 START 223.7
HIERARCH ESO ISS PBLA23 END 223.7
HIERARCH ESO ISS PBL24 START 60.434
HIERARCH ESO ISS PBL24 END 60.36
HIERARCH ESO ISS PBLA24 START 50.575
HIERARCH ESO ISS PBLA24 END 50.615
HIERARCH ESO ISS PBL34 START 98.393
HIERARCH ESO ISS PBL34 END 98.285
HIERARCH ESO ISS PBLA34 START 47.906
HIERARCH ESO ISS PBLA34 END 47.947
HIERARCH ESO ISS AMBI TAU0 START 0.004133
HIERARCH ESO ISS AMBI TAU0 END 0.003078
HIERARCH ESO ISS AMBI TEMP 12.03
HIERARCH ESO ISS AMBI FWHM START 0.43
HIERARCH ESO ISS AMBI FWHM END 0.49