Exposure
ID
PIONI.2025-06-17T07:36:30.624_1
Header ID
PIONI.2025-06-17T07:36:30.624
Date updated
2025-06-17 07:45:43 UTC+0000
Release date
2026-06-17 07:45:43 UTC+0000
UTC Start
2025-06-17 07:36:30.624
UTC End
2025-06-17 07:36:56.224
MJD Start
60843.3170211134
MJD End
60843.317317409696
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.003368
Ambient temperature (°C)
6.78
Seeing (arcsec)
0.74
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 79.0860 79.0120 136.1000 136.2000
A0-J2 107.3930 107.2280 109.4000 109.5000
A0-K0 107.7030 107.5360 83.2700 83.3160
G1-J2 51.1200 51.0590 65.3000 65.3000
G1-K0 86.9270 86.8910 36.8220 36.8470
J2-K0 48.5710 48.5720 6.6740 6.7390
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 60843.3170211134
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 79.086
HIERARCH ESO ISS PBL12 END 79.012
HIERARCH ESO ISS PBLA12 START 136.1
HIERARCH ESO ISS PBLA12 END 136.2
HIERARCH ESO ISS PBL13 START 107.393
HIERARCH ESO ISS PBL13 END 107.228
HIERARCH ESO ISS PBLA13 START 109.4
HIERARCH ESO ISS PBLA13 END 109.5
HIERARCH ESO ISS PBL14 START 107.703
HIERARCH ESO ISS PBL14 END 107.536
HIERARCH ESO ISS PBLA14 START 83.27
HIERARCH ESO ISS PBLA14 END 83.316
HIERARCH ESO ISS PBL23 START 51.12
HIERARCH ESO ISS PBL23 END 51.059
HIERARCH ESO ISS PBLA23 START 65.3
HIERARCH ESO ISS PBLA23 END 65.3
HIERARCH ESO ISS PBL24 START 86.927
HIERARCH ESO ISS PBL24 END 86.891
HIERARCH ESO ISS PBLA24 START 36.822
HIERARCH ESO ISS PBLA24 END 36.847
HIERARCH ESO ISS PBL34 START 48.571
HIERARCH ESO ISS PBL34 END 48.572
HIERARCH ESO ISS PBLA34 START 6.674
HIERARCH ESO ISS PBLA34 END 6.739
HIERARCH ESO ISS AMBI TAU0 START 0.003368
HIERARCH ESO ISS AMBI TAU0 END 0.003368
HIERARCH ESO ISS AMBI TEMP 6.78
HIERARCH ESO ISS AMBI FWHM START 0.75
HIERARCH ESO ISS AMBI FWHM END 0.73