Exposure
ID
MATIS.2025-07-25T05:43:30.506_1
Header ID
MATIS.2025-07-25T05:43:30.506
Date updated
2025-07-25 05:55:50 UTC+0000
Release date
2026-07-25 05:55:49 UTC+0000
UTC Start
2025-07-25 05:43:30.506
UTC End
2025-07-25 05:44:30.514
MJD Start
60881.23854752
MJD End
60881.23924205704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.003364
Ambient temperature (°C)
12.35
Seeing (arcsec)
0.59
Observation
ID
68242
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
50630
Name
V VX Sgr
RA
272.015659
DEC
-22.22406
Instrument
Interferometer
VLTI
Instrument
MATISSE
Instrument mode
HIGH_SENS_N_LOW
Instrument sub-mode
HYBRID
Stations
A0 B2 D0 C1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B2 23.7420 23.7350 168.9000 169.0000
A0-D0 24.1150 24.0280 86.1000 86.2000
A0-C1 18.6330 18.6010 143.5490 143.7760
B2-D0 31.6250 31.5940 38.0000 38.0000
B2-C1 10.5360 10.5260 37.9770 38.0010
D0-C1 21.0890 21.0680 218.0310 218.0550
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 60881.23854752
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME V VX Sgr
RA 272.015659
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 A0
HIERARCH ESO ISS CONF STATION2 B2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 C1
EXPTIME 0.0200088
HIERARCH ESO DET SEQ1 PERIOD 0.026
HIERARCH ESO DET NDIT 2308
HIERARCH ESO ISS PBL12 START 23.742
HIERARCH ESO ISS PBL12 END 23.735
HIERARCH ESO ISS PBLA12 START 168.9
HIERARCH ESO ISS PBLA12 END 169.0
HIERARCH ESO ISS PBL13 START 24.115
HIERARCH ESO ISS PBL13 END 24.028
HIERARCH ESO ISS PBLA13 START 86.1
HIERARCH ESO ISS PBLA13 END 86.2
HIERARCH ESO ISS PBL14 START 18.633
HIERARCH ESO ISS PBL14 END 18.601
HIERARCH ESO ISS PBLA14 START 143.549
HIERARCH ESO ISS PBLA14 END 143.776
HIERARCH ESO ISS PBL23 START 31.625
HIERARCH ESO ISS PBL23 END 31.594
HIERARCH ESO ISS PBLA23 START 38.0
HIERARCH ESO ISS PBLA23 END 38.0
HIERARCH ESO ISS PBL24 START 10.536
HIERARCH ESO ISS PBL24 END 10.526
HIERARCH ESO ISS PBLA24 START 37.977
HIERARCH ESO ISS PBLA24 END 38.001
HIERARCH ESO ISS PBL34 START 21.089
HIERARCH ESO ISS PBL34 END 21.068
HIERARCH ESO ISS PBLA34 START 218.031
HIERARCH ESO ISS PBLA34 END 218.055
HIERARCH ESO ISS AMBI TAU0 START 0.003364
HIERARCH ESO ISS AMBI TAU0 END 0.003364
HIERARCH ESO ISS AMBI TEMP 12.35
HIERARCH ESO ISS AMBI FWHM START 0.59
HIERARCH ESO ISS AMBI FWHM END 0.59