Exposure
ID
PIONI.2025-06-17T07:35:53.028_1
Header ID
PIONI.2025-06-17T07:35:53.028
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 07:35:53.028
UTC End
2025-06-17 07:36:18.628
MJD Start
60843.3165859673
MJD End
60843.3168822636
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.003368
Ambient temperature (°C)
6.78
Seeing (arcsec)
0.75
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 79.1620 79.0880 136.0000 136.1000
A0-J2 107.5620 107.3970 109.3000 109.4000
A0-K0 107.8740 107.7080 83.2220 83.2680
G1-J2 51.1830 51.1220 65.3000 65.3000
G1-K0 86.9650 86.9280 36.7970 36.8220
J2-K0 48.5700 48.5710 6.6080 6.6730
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 60843.3165859673
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 79.162
HIERARCH ESO ISS PBL12 END 79.088
HIERARCH ESO ISS PBLA12 START 136.0
HIERARCH ESO ISS PBLA12 END 136.1
HIERARCH ESO ISS PBL13 START 107.562
HIERARCH ESO ISS PBL13 END 107.397
HIERARCH ESO ISS PBLA13 START 109.3
HIERARCH ESO ISS PBLA13 END 109.4
HIERARCH ESO ISS PBL14 START 107.874
HIERARCH ESO ISS PBL14 END 107.708
HIERARCH ESO ISS PBLA14 START 83.222
HIERARCH ESO ISS PBLA14 END 83.268
HIERARCH ESO ISS PBL23 START 51.183
HIERARCH ESO ISS PBL23 END 51.122
HIERARCH ESO ISS PBLA23 START 65.3
HIERARCH ESO ISS PBLA23 END 65.3
HIERARCH ESO ISS PBL24 START 86.965
HIERARCH ESO ISS PBL24 END 86.928
HIERARCH ESO ISS PBLA24 START 36.797
HIERARCH ESO ISS PBLA24 END 36.822
HIERARCH ESO ISS PBL34 START 48.57
HIERARCH ESO ISS PBL34 END 48.571
HIERARCH ESO ISS PBLA34 START 6.608
HIERARCH ESO ISS PBLA34 END 6.673
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 0.75