Exposure
ID
MATIS.2025-06-21T06:57:33.580_1
Header ID
MATIS.2025-06-21T06:57:33.580
Date updated
2025-06-21 07:05:42 UTC+0000
Release date
2026-06-21 07:05:42 UTC+0000
UTC Start
2025-06-21 06:57:33.580
UTC End
2025-06-21 06:58:33.588
MJD Start
60847.28997199
MJD End
60847.29066652704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.0042165
Ambient temperature (°C)
12.16
Seeing (arcsec)
0.4
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 59.9440 59.8130 284.8000 284.9000
K0-D0 85.2470 85.0670 261.5000 261.6000
K0-J3 55.3460 55.3360 348.4230 348.5680
G2-D0 38.3680 38.3360 223.4000 223.4000
G2-J3 60.9370 60.8700 50.2680 50.3110
D0-J3 99.1340 99.0350 47.5970 47.6410
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 60847.28997199
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 59.944
HIERARCH ESO ISS PBL12 END 59.813
HIERARCH ESO ISS PBLA12 START 284.8
HIERARCH ESO ISS PBLA12 END 284.9
HIERARCH ESO ISS PBL13 START 85.247
HIERARCH ESO ISS PBL13 END 85.067
HIERARCH ESO ISS PBLA13 START 261.5
HIERARCH ESO ISS PBLA13 END 261.6
HIERARCH ESO ISS PBL14 START 55.346
HIERARCH ESO ISS PBL14 END 55.336
HIERARCH ESO ISS PBLA14 START 348.423
HIERARCH ESO ISS PBLA14 END 348.568
HIERARCH ESO ISS PBL23 START 38.368
HIERARCH ESO ISS PBL23 END 38.336
HIERARCH ESO ISS PBLA23 START 223.4
HIERARCH ESO ISS PBLA23 END 223.4
HIERARCH ESO ISS PBL24 START 60.937
HIERARCH ESO ISS PBL24 END 60.87
HIERARCH ESO ISS PBLA24 START 50.268
HIERARCH ESO ISS PBLA24 END 50.311
HIERARCH ESO ISS PBL34 START 99.134
HIERARCH ESO ISS PBL34 END 99.035
HIERARCH ESO ISS PBLA34 START 47.597
HIERARCH ESO ISS PBLA34 END 47.641
HIERARCH ESO ISS AMBI TAU0 START 0.004239
HIERARCH ESO ISS AMBI TAU0 END 0.004194
HIERARCH ESO ISS AMBI TEMP 12.16
HIERARCH ESO ISS AMBI FWHM START 0.4
HIERARCH ESO ISS AMBI FWHM END 0.4