Exposure
ID
PIONI.2025-06-17T07:49:39.510_1
Header ID
PIONI.2025-06-17T07:49:39.510
Date updated
2025-06-17 07:55:48 UTC+0000
Release date
2026-06-17 07:55:47 UTC+0000
UTC Start
2025-06-17 07:49:39.510
UTC End
2025-06-17 07:50:05.110
MJD Start
60843.3261517361
MJD End
60843.3264480324
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.003417
Ambient temperature (°C)
6.62
Seeing (arcsec)
0.7
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 77.4470 77.3720 138.6000 138.7000
A0-J2 103.6720 103.4970 111.4000 111.5000
A0-K0 103.8950 103.7140 84.2920 84.3390
G1-J2 49.7090 49.6420 65.8000 65.9000
G1-K0 86.0760 86.0350 37.3230 37.3440
J2-K0 48.5890 48.5900 8.0830 8.1460
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 60843.3261517361
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 77.447
HIERARCH ESO ISS PBL12 END 77.372
HIERARCH ESO ISS PBLA12 START 138.6
HIERARCH ESO ISS PBLA12 END 138.7
HIERARCH ESO ISS PBL13 START 103.672
HIERARCH ESO ISS PBL13 END 103.497
HIERARCH ESO ISS PBLA13 START 111.4
HIERARCH ESO ISS PBLA13 END 111.5
HIERARCH ESO ISS PBL14 START 103.895
HIERARCH ESO ISS PBL14 END 103.714
HIERARCH ESO ISS PBLA14 START 84.292
HIERARCH ESO ISS PBLA14 END 84.339
HIERARCH ESO ISS PBL23 START 49.709
HIERARCH ESO ISS PBL23 END 49.642
HIERARCH ESO ISS PBLA23 START 65.8
HIERARCH ESO ISS PBLA23 END 65.9
HIERARCH ESO ISS PBL24 START 86.076
HIERARCH ESO ISS PBL24 END 86.035
HIERARCH ESO ISS PBLA24 START 37.323
HIERARCH ESO ISS PBLA24 END 37.344
HIERARCH ESO ISS PBL34 START 48.589
HIERARCH ESO ISS PBL34 END 48.59
HIERARCH ESO ISS PBLA34 START 8.083
HIERARCH ESO ISS PBLA34 END 8.146
HIERARCH ESO ISS AMBI TAU0 START 0.003417
HIERARCH ESO ISS AMBI TAU0 END 0.003417
HIERARCH ESO ISS AMBI TEMP 6.62
HIERARCH ESO ISS AMBI FWHM START 0.7
HIERARCH ESO ISS AMBI FWHM END 0.7