Exposure
ID
MATIS.2025-06-23T04:09:48.899_1
Header ID
MATIS.2025-06-23T04:09:48.899
Date updated
2025-06-23 04:20:58 UTC+0000
Release date
2026-06-23 04:20:58 UTC+0000
UTC Start
2025-06-23 04:09:48.899
UTC End
2025-06-23 04:10:48.907
MJD Start
60849.17348263
MJD End
60849.17417716704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.006383
Ambient temperature (°C)
11.46
Seeing (arcsec)
0.405
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 67.6740 67.7130 268.3000 268.4000
K0-D0 94.9540 95.0070 247.5000 247.6000
K0-J3 56.5360 56.5400 329.5460 329.6330
G2-D0 39.7440 39.7530 210.3000 210.5000
G2-J3 64.0310 64.0510 37.5080 37.6240
D0-J3 103.5830 103.6120 34.7630 34.8780
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 60849.17348263
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 67.674
HIERARCH ESO ISS PBL12 END 67.713
HIERARCH ESO ISS PBLA12 START 268.3
HIERARCH ESO ISS PBLA12 END 268.4
HIERARCH ESO ISS PBL13 START 94.954
HIERARCH ESO ISS PBL13 END 95.007
HIERARCH ESO ISS PBLA13 START 247.5
HIERARCH ESO ISS PBLA13 END 247.6
HIERARCH ESO ISS PBL14 START 56.536
HIERARCH ESO ISS PBL14 END 56.54
HIERARCH ESO ISS PBLA14 START 329.546
HIERARCH ESO ISS PBLA14 END 329.633
HIERARCH ESO ISS PBL23 START 39.744
HIERARCH ESO ISS PBL23 END 39.753
HIERARCH ESO ISS PBLA23 START 210.3
HIERARCH ESO ISS PBLA23 END 210.5
HIERARCH ESO ISS PBL24 START 64.031
HIERARCH ESO ISS PBL24 END 64.051
HIERARCH ESO ISS PBLA24 START 37.508
HIERARCH ESO ISS PBLA24 END 37.624
HIERARCH ESO ISS PBL34 START 103.583
HIERARCH ESO ISS PBL34 END 103.612
HIERARCH ESO ISS PBLA34 START 34.763
HIERARCH ESO ISS PBLA34 END 34.878
HIERARCH ESO ISS AMBI TAU0 START 0.006191
HIERARCH ESO ISS AMBI TAU0 END 0.006575
HIERARCH ESO ISS AMBI TEMP 11.46
HIERARCH ESO ISS AMBI FWHM START 0.41
HIERARCH ESO ISS AMBI FWHM END 0.4