Exposure
ID
PIONI.2025-07-16T01:45:53.516_1
Header ID
PIONI.2025-07-16T01:45:53.516
Date updated
2025-07-16 01:50:56 UTC+0000
Release date
2026-07-16 01:50:55 UTC+0000
UTC Start
2025-07-16 01:45:53.516
UTC End
2025-07-16 01:46:19.116
MJD Start
60872.0735360668
MJD End
60872.073832363094
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.002221
Ambient temperature (°C)
12.85
Seeing (arcsec)
1.09
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 86.1070 86.1710 108.7000 108.7000
A0-J2 121.1440 121.2520 84.2000 84.3000
A0-K0 120.5970 120.6880 61.0510 61.1310
G1-J2 55.6520 55.6810 44.4000 44.5000
G1-K0 89.2380 89.2480 15.5750 15.6540
J2-K0 48.6010 48.6030 342.0180 342.0690
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 60872.0735360668
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 86.107
HIERARCH ESO ISS PBL12 END 86.171
HIERARCH ESO ISS PBLA12 START 108.7
HIERARCH ESO ISS PBLA12 END 108.7
HIERARCH ESO ISS PBL13 START 121.144
HIERARCH ESO ISS PBL13 END 121.252
HIERARCH ESO ISS PBLA13 START 84.2
HIERARCH ESO ISS PBLA13 END 84.3
HIERARCH ESO ISS PBL14 START 120.597
HIERARCH ESO ISS PBL14 END 120.688
HIERARCH ESO ISS PBLA14 START 61.051
HIERARCH ESO ISS PBLA14 END 61.131
HIERARCH ESO ISS PBL23 START 55.652
HIERARCH ESO ISS PBL23 END 55.681
HIERARCH ESO ISS PBLA23 START 44.4
HIERARCH ESO ISS PBLA23 END 44.5
HIERARCH ESO ISS PBL24 START 89.238
HIERARCH ESO ISS PBL24 END 89.248
HIERARCH ESO ISS PBLA24 START 15.575
HIERARCH ESO ISS PBLA24 END 15.654
HIERARCH ESO ISS PBL34 START 48.601
HIERARCH ESO ISS PBL34 END 48.603
HIERARCH ESO ISS PBLA34 START 342.018
HIERARCH ESO ISS PBLA34 END 342.069
HIERARCH ESO ISS AMBI TAU0 START 0.002221
HIERARCH ESO ISS AMBI TAU0 END 0.002221
HIERARCH ESO ISS AMBI TEMP 12.85
HIERARCH ESO ISS AMBI FWHM START 1.09
HIERARCH ESO ISS AMBI FWHM END 1.09