Exposure
ID
PIONI.2025-06-22T07:33:28.843_1
Header ID
PIONI.2025-06-22T07:33:28.843
Date updated
2025-06-22 07:40:43 UTC+0000
Release date
2026-06-22 07:40:42 UTC+0000
UTC Start
2025-06-22 07:33:28.844
UTC End
2025-06-22 07:33:54.444
MJD Start
60848.3149171746
MJD End
60848.315213470894
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.002842
Ambient temperature (°C)
11.53
Seeing (arcsec)
0.48
Observation
ID
68194
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
50684
Name
V VX Sgr
RA
272.016859
DEC
-22.22406
Instrument
Interferometer
VLTI
Instrument
PIONIER
Instrument mode
GRISM-H
Stations
K0 G2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
K0-G2 54.2040 54.1090 290.4000 290.5000
K0-D0 77.1250 76.9870 264.6000 264.6000
K0-J3 55.0450 55.0420 354.2560 354.3460
G2-D0 36.8640 36.8370 224.8000 224.8000
G2-J3 57.8130 57.7580 51.6070 51.6210
D0-J3 94.5160 94.4350 48.9460 48.9600
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 60848.3149171746
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME V VX Sgr
RA 272.016859
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 K0
HIERARCH ESO ISS CONF STATION2 G2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 J3
HIERARCH ESO DET DIT 0.0005
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 54.204
HIERARCH ESO ISS PBL12 END 54.109
HIERARCH ESO ISS PBLA12 START 290.4
HIERARCH ESO ISS PBLA12 END 290.5
HIERARCH ESO ISS PBL13 START 77.125
HIERARCH ESO ISS PBL13 END 76.987
HIERARCH ESO ISS PBLA13 START 264.6
HIERARCH ESO ISS PBLA13 END 264.6
HIERARCH ESO ISS PBL14 START 55.045
HIERARCH ESO ISS PBL14 END 55.042
HIERARCH ESO ISS PBLA14 START 354.256
HIERARCH ESO ISS PBLA14 END 354.346
HIERARCH ESO ISS PBL23 START 36.864
HIERARCH ESO ISS PBL23 END 36.837
HIERARCH ESO ISS PBLA23 START 224.8
HIERARCH ESO ISS PBLA23 END 224.8
HIERARCH ESO ISS PBL24 START 57.813
HIERARCH ESO ISS PBL24 END 57.758
HIERARCH ESO ISS PBLA24 START 51.607
HIERARCH ESO ISS PBLA24 END 51.621
HIERARCH ESO ISS PBL34 START 94.516
HIERARCH ESO ISS PBL34 END 94.435
HIERARCH ESO ISS PBLA34 START 48.946
HIERARCH ESO ISS PBLA34 END 48.96
HIERARCH ESO ISS AMBI TAU0 START 0.002842
HIERARCH ESO ISS AMBI TAU0 END 0.002842
HIERARCH ESO ISS AMBI TEMP 11.53
HIERARCH ESO ISS AMBI FWHM START 0.48
HIERARCH ESO ISS AMBI FWHM END 0.48