Exposure
ID
MATIS.2025-06-23T04:05:31.931_1
Header ID
MATIS.2025-06-23T04:05:31.931
Date updated
2025-06-23 04:16:05 UTC+0000
Release date
2026-06-23 04:16:05 UTC+0000
UTC Start
2025-06-23 04:05:31.931
UTC End
2025-06-23 04:06:31.939
MJD Start
60849.17050846
MJD End
60849.171202997044
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.004294
Ambient temperature (°C)
11.53
Seeing (arcsec)
0.45
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 67.4980 67.5420 267.8000 267.9000
K0-D0 94.7190 94.7770 247.0000 247.1000
K0-J3 56.5180 56.5230 329.1670 329.2590
G2-D0 39.7040 39.7140 209.8000 210.0000
G2-J3 63.9460 63.9670 36.9980 37.1220
D0-J3 103.4580 103.4880 34.2530 34.3770
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 60849.17050846
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 67.498
HIERARCH ESO ISS PBL12 END 67.542
HIERARCH ESO ISS PBLA12 START 267.8
HIERARCH ESO ISS PBLA12 END 267.9
HIERARCH ESO ISS PBL13 START 94.719
HIERARCH ESO ISS PBL13 END 94.777
HIERARCH ESO ISS PBLA13 START 247.0
HIERARCH ESO ISS PBLA13 END 247.1
HIERARCH ESO ISS PBL14 START 56.518
HIERARCH ESO ISS PBL14 END 56.523
HIERARCH ESO ISS PBLA14 START 329.167
HIERARCH ESO ISS PBLA14 END 329.259
HIERARCH ESO ISS PBL23 START 39.704
HIERARCH ESO ISS PBL23 END 39.714
HIERARCH ESO ISS PBLA23 START 209.8
HIERARCH ESO ISS PBLA23 END 210.0
HIERARCH ESO ISS PBL24 START 63.946
HIERARCH ESO ISS PBL24 END 63.967
HIERARCH ESO ISS PBLA24 START 36.998
HIERARCH ESO ISS PBLA24 END 37.122
HIERARCH ESO ISS PBL34 START 103.458
HIERARCH ESO ISS PBL34 END 103.488
HIERARCH ESO ISS PBLA34 START 34.253
HIERARCH ESO ISS PBLA34 END 34.377
HIERARCH ESO ISS AMBI TAU0 START 0.004294
HIERARCH ESO ISS AMBI TAU0 END 0.004294
HIERARCH ESO ISS AMBI TEMP 11.53
HIERARCH ESO ISS AMBI FWHM START 0.45
HIERARCH ESO ISS AMBI FWHM END 0.45