Exposure
ID
MATIS.2025-06-21T06:58:45.631_1
Header ID
MATIS.2025-06-21T06:58:45.631
Date updated
2025-06-21 07:10:50 UTC+0000
Release date
2026-06-21 07:10:50 UTC+0000
UTC Start
2025-06-21 06:58:45.631
UTC End
2025-06-21 06:59:45.639
MJD Start
60847.29080591
MJD End
60847.29150044704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.004194
Ambient temperature (°C)
12.15
Seeing (arcsec)
0.435
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 59.7890 59.6570 284.9000 285.0000
K0-D0 85.0350 84.8530 261.6000 261.6000
K0-J3 55.3340 55.3250 348.5940 348.7400
G2-D0 38.3310 38.2980 223.4000 223.5000
G2-J3 60.8580 60.7900 50.3190 50.3630
D0-J3 99.0170 98.9170 47.6490 47.6930
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 60847.29080591
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 59.789
HIERARCH ESO ISS PBL12 END 59.657
HIERARCH ESO ISS PBLA12 START 284.9
HIERARCH ESO ISS PBLA12 END 285.0
HIERARCH ESO ISS PBL13 START 85.035
HIERARCH ESO ISS PBL13 END 84.853
HIERARCH ESO ISS PBLA13 START 261.6
HIERARCH ESO ISS PBLA13 END 261.6
HIERARCH ESO ISS PBL14 START 55.334
HIERARCH ESO ISS PBL14 END 55.325
HIERARCH ESO ISS PBLA14 START 348.594
HIERARCH ESO ISS PBLA14 END 348.74
HIERARCH ESO ISS PBL23 START 38.331
HIERARCH ESO ISS PBL23 END 38.298
HIERARCH ESO ISS PBLA23 START 223.4
HIERARCH ESO ISS PBLA23 END 223.5
HIERARCH ESO ISS PBL24 START 60.858
HIERARCH ESO ISS PBL24 END 60.79
HIERARCH ESO ISS PBLA24 START 50.319
HIERARCH ESO ISS PBLA24 END 50.363
HIERARCH ESO ISS PBL34 START 99.017
HIERARCH ESO ISS PBL34 END 98.917
HIERARCH ESO ISS PBLA34 START 47.649
HIERARCH ESO ISS PBLA34 END 47.693
HIERARCH ESO ISS AMBI TAU0 START 0.004194
HIERARCH ESO ISS AMBI TAU0 END 0.004194
HIERARCH ESO ISS AMBI TEMP 12.15
HIERARCH ESO ISS AMBI FWHM START 0.4
HIERARCH ESO ISS AMBI FWHM END 0.47