Exposure
ID
PIONI.2025-07-16T01:47:45.734_1
Header ID
PIONI.2025-07-16T01:47:45.734
Date updated
2025-07-16 01:56:00 UTC+0000
Release date
2026-07-16 01:55:59 UTC+0000
UTC Start
2025-07-16 01:47:45.734
UTC End
2025-07-16 01:48:11.334
MJD Start
60872.0748348888
MJD End
60872.0751311851
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.002196
Ambient temperature (°C)
12.9
Seeing (arcsec)
1.02
Observation
ID
68114
Category
science
Program ID
115.27VC.001
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
PIONIER
Instrument mode
GRISM-H
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 86.3040 86.3670 108.8000 108.9000
A0-J2 121.4790 121.5850 84.4000 84.5000
A0-K0 120.8780 120.9680 61.3010 61.3810
G1-J2 55.7420 55.7710 44.7000 44.8000
G1-K0 89.2680 89.2780 15.8220 15.9010
J2-K0 48.6060 48.6070 342.1770 342.2290
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.27VC.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE FRINGE,OBJECT
MJD-OBS 60872.0748348888
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME V VX Sgr
RA 272.015659
DEC -22.22406
HIERARCH ESO INS OPTI2 NAME GRISM
HIERARCH ESO INS OPTI2 ID GRISM
HIERARCH ESO INS FILT1 NAME H
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 A0
HIERARCH ESO ISS CONF STATION2 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 K0
HIERARCH ESO DET DIT 0.0005
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 86.304
HIERARCH ESO ISS PBL12 END 86.367
HIERARCH ESO ISS PBLA12 START 108.8
HIERARCH ESO ISS PBLA12 END 108.9
HIERARCH ESO ISS PBL13 START 121.479
HIERARCH ESO ISS PBL13 END 121.585
HIERARCH ESO ISS PBLA13 START 84.4
HIERARCH ESO ISS PBLA13 END 84.5
HIERARCH ESO ISS PBL14 START 120.878
HIERARCH ESO ISS PBL14 END 120.968
HIERARCH ESO ISS PBLA14 START 61.301
HIERARCH ESO ISS PBLA14 END 61.381
HIERARCH ESO ISS PBL23 START 55.742
HIERARCH ESO ISS PBL23 END 55.771
HIERARCH ESO ISS PBLA23 START 44.7
HIERARCH ESO ISS PBLA23 END 44.8
HIERARCH ESO ISS PBL24 START 89.268
HIERARCH ESO ISS PBL24 END 89.278
HIERARCH ESO ISS PBLA24 START 15.822
HIERARCH ESO ISS PBLA24 END 15.901
HIERARCH ESO ISS PBL34 START 48.606
HIERARCH ESO ISS PBL34 END 48.607
HIERARCH ESO ISS PBLA34 START 342.177
HIERARCH ESO ISS PBLA34 END 342.229
HIERARCH ESO ISS AMBI TAU0 START 0.002196
HIERARCH ESO ISS AMBI TAU0 END 0.002196
HIERARCH ESO ISS AMBI TEMP 12.9
HIERARCH ESO ISS AMBI FWHM START 1.02
HIERARCH ESO ISS AMBI FWHM END 1.02