Exposure
ID
PIONI.2025-06-17T08:09:48.806_1
Header ID
PIONI.2025-06-17T08:09:48.806
Date updated
2025-06-17 08:20:43 UTC+0000
Release date
2026-06-17 08:20:40 UTC+0000
UTC Start
2025-06-17 08:09:48.806
UTC End
2025-06-17 08:10:14.406
MJD Start
60843.3401482152
MJD End
60843.340444511494
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.004441
Ambient temperature (°C)
6.67
Seeing (arcsec)
0.71
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 74.9230 74.8510 142.9000 143.0000
A0-J2 97.5870 97.4050 114.8000 114.9000
A0-K0 97.4780 97.2830 85.8910 85.9380
G1-J2 47.3070 47.2330 66.5000 66.5000
G1-K0 84.5780 84.5320 37.9310 37.9460
J2-K0 48.6160 48.6170 10.1960 10.2560
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 60843.3401482152
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 74.923
HIERARCH ESO ISS PBL12 END 74.851
HIERARCH ESO ISS PBLA12 START 142.9
HIERARCH ESO ISS PBLA12 END 143.0
HIERARCH ESO ISS PBL13 START 97.587
HIERARCH ESO ISS PBL13 END 97.405
HIERARCH ESO ISS PBLA13 START 114.8
HIERARCH ESO ISS PBLA13 END 114.9
HIERARCH ESO ISS PBL14 START 97.478
HIERARCH ESO ISS PBL14 END 97.283
HIERARCH ESO ISS PBLA14 START 85.891
HIERARCH ESO ISS PBLA14 END 85.938
HIERARCH ESO ISS PBL23 START 47.307
HIERARCH ESO ISS PBL23 END 47.233
HIERARCH ESO ISS PBLA23 START 66.5
HIERARCH ESO ISS PBLA23 END 66.5
HIERARCH ESO ISS PBL24 START 84.578
HIERARCH ESO ISS PBL24 END 84.532
HIERARCH ESO ISS PBLA24 START 37.931
HIERARCH ESO ISS PBLA24 END 37.946
HIERARCH ESO ISS PBL34 START 48.616
HIERARCH ESO ISS PBL34 END 48.617
HIERARCH ESO ISS PBLA34 START 10.196
HIERARCH ESO ISS PBLA34 END 10.256
HIERARCH ESO ISS AMBI TAU0 START 0.004441
HIERARCH ESO ISS AMBI TAU0 END 0.004441
HIERARCH ESO ISS AMBI TEMP 6.67
HIERARCH ESO ISS AMBI FWHM START 0.71
HIERARCH ESO ISS AMBI FWHM END 0.71