Exposure
ID
PIONI.2025-07-20T04:09:10.272_1
Header ID
PIONI.2025-07-20T04:09:10.272
Date updated
2025-07-20 04:15:47 UTC+0000
Release date
2026-07-20 04:15:47 UTC+0000
UTC Start
2025-07-20 04:09:10.272
UTC End
2025-07-20 04:09:35.872
MJD Start
60876.1730355504
MJD End
60876.173331846694
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.002809
Ambient temperature (°C)
13.57
Seeing (arcsec)
1.385
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 87.3190 87.2700 123.9000 124.0000
A0-J2 123.9910 123.9030 99.8000 99.9000
A0-K0 123.6430 123.5650 77.2110 77.2590
G1-J2 56.8430 56.8160 61.0000 61.0000
G1-K0 90.0120 90.0000 32.3050 32.3500
J2-K0 48.5300 48.5300 358.1080 358.1740
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 60876.1730355504
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 87.319
HIERARCH ESO ISS PBL12 END 87.27
HIERARCH ESO ISS PBLA12 START 123.9
HIERARCH ESO ISS PBLA12 END 124.0
HIERARCH ESO ISS PBL13 START 123.991
HIERARCH ESO ISS PBL13 END 123.903
HIERARCH ESO ISS PBLA13 START 99.8
HIERARCH ESO ISS PBLA13 END 99.9
HIERARCH ESO ISS PBL14 START 123.643
HIERARCH ESO ISS PBL14 END 123.565
HIERARCH ESO ISS PBLA14 START 77.211
HIERARCH ESO ISS PBLA14 END 77.259
HIERARCH ESO ISS PBL23 START 56.843
HIERARCH ESO ISS PBL23 END 56.816
HIERARCH ESO ISS PBLA23 START 61.0
HIERARCH ESO ISS PBLA23 END 61.0
HIERARCH ESO ISS PBL24 START 90.012
HIERARCH ESO ISS PBL24 END 90.0
HIERARCH ESO ISS PBLA24 START 32.305
HIERARCH ESO ISS PBLA24 END 32.35
HIERARCH ESO ISS PBL34 START 48.53
HIERARCH ESO ISS PBL34 END 48.53
HIERARCH ESO ISS PBLA34 START 358.108
HIERARCH ESO ISS PBLA34 END 358.174
HIERARCH ESO ISS AMBI TAU0 START 0.002809
HIERARCH ESO ISS AMBI TAU0 END 0.002809
HIERARCH ESO ISS AMBI TEMP 13.57
HIERARCH ESO ISS AMBI FWHM START 1.09
HIERARCH ESO ISS AMBI FWHM END 1.68