Exposure
ID
PIONI.2025-06-17T08:10:26.350_1
Header ID
PIONI.2025-06-17T08:10:26.350
Date updated
2025-06-17 08:20:43 UTC+0000
Release date
2026-06-17 08:20:40 UTC+0000
UTC Start
2025-06-17 08:10:26.350
UTC End
2025-06-17 08:10:51.950
MJD Start
60843.3405827591
MJD End
60843.340879055395
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.004441
Ambient temperature (°C)
6.67
Seeing (arcsec)
0.71
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 74.8470 74.7720 143.0000 143.1000
A0-J2 97.3950 97.2070 114.9000 115.0000
A0-K0 97.2720 97.0700 85.9410 85.9890
G1-J2 47.2290 47.1530 66.5000 66.5000
G1-K0 84.5290 84.4810 37.9470 37.9620
J2-K0 48.6170 48.6180 10.2600 10.3210
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 60843.3405827591
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 74.847
HIERARCH ESO ISS PBL12 END 74.772
HIERARCH ESO ISS PBLA12 START 143.0
HIERARCH ESO ISS PBLA12 END 143.1
HIERARCH ESO ISS PBL13 START 97.395
HIERARCH ESO ISS PBL13 END 97.207
HIERARCH ESO ISS PBLA13 START 114.9
HIERARCH ESO ISS PBLA13 END 115.0
HIERARCH ESO ISS PBL14 START 97.272
HIERARCH ESO ISS PBL14 END 97.07
HIERARCH ESO ISS PBLA14 START 85.941
HIERARCH ESO ISS PBLA14 END 85.989
HIERARCH ESO ISS PBL23 START 47.229
HIERARCH ESO ISS PBL23 END 47.153
HIERARCH ESO ISS PBLA23 START 66.5
HIERARCH ESO ISS PBLA23 END 66.5
HIERARCH ESO ISS PBL24 START 84.529
HIERARCH ESO ISS PBL24 END 84.481
HIERARCH ESO ISS PBLA24 START 37.947
HIERARCH ESO ISS PBLA24 END 37.962
HIERARCH ESO ISS PBL34 START 48.617
HIERARCH ESO ISS PBL34 END 48.618
HIERARCH ESO ISS PBLA34 START 10.26
HIERARCH ESO ISS PBLA34 END 10.321
HIERARCH ESO ISS AMBI TAU0 START 0.004441
HIERARCH ESO ISS AMBI TAU0 END 0.004441
HIERARCH ESO ISS AMBI TEMP 6.67
HIERARCH ESO ISS AMBI FWHM START 0.71
HIERARCH ESO ISS AMBI FWHM END 0.71