Exposure
ID
PIONI.2025-07-16T01:34:24.889_1
Header ID
PIONI.2025-07-16T01:34:24.889
Date updated
2025-07-16 01:40:57 UTC+0000
Release date
2026-07-16 01:40:57 UTC+0000
UTC Start
2025-07-16 01:34:24.888
UTC End
2025-07-16 01:34:50.488
MJD Start
60872.065565838
MJD End
60872.065862134295
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.0024505
Ambient temperature (°C)
12.57
Seeing (arcsec)
0.985
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 84.7950 84.8660 107.9000 107.9000
A0-J2 118.9390 119.0570 83.0000 83.1000
A0-K0 118.7730 118.8690 59.4650 59.5470
G1-J2 55.0750 55.1050 42.7000 42.8000
G1-K0 89.0540 89.0630 14.0410 14.1200
J2-K0 48.5640 48.5660 341.0630 341.1110
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 60872.065565838
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 84.795
HIERARCH ESO ISS PBL12 END 84.866
HIERARCH ESO ISS PBLA12 START 107.9
HIERARCH ESO ISS PBLA12 END 107.9
HIERARCH ESO ISS PBL13 START 118.939
HIERARCH ESO ISS PBL13 END 119.057
HIERARCH ESO ISS PBLA13 START 83.0
HIERARCH ESO ISS PBLA13 END 83.1
HIERARCH ESO ISS PBL14 START 118.773
HIERARCH ESO ISS PBL14 END 118.869
HIERARCH ESO ISS PBLA14 START 59.465
HIERARCH ESO ISS PBLA14 END 59.547
HIERARCH ESO ISS PBL23 START 55.075
HIERARCH ESO ISS PBL23 END 55.105
HIERARCH ESO ISS PBLA23 START 42.7
HIERARCH ESO ISS PBLA23 END 42.8
HIERARCH ESO ISS PBL24 START 89.054
HIERARCH ESO ISS PBL24 END 89.063
HIERARCH ESO ISS PBLA24 START 14.041
HIERARCH ESO ISS PBLA24 END 14.12
HIERARCH ESO ISS PBL34 START 48.564
HIERARCH ESO ISS PBL34 END 48.566
HIERARCH ESO ISS PBLA34 START 341.063
HIERARCH ESO ISS PBLA34 END 341.111
HIERARCH ESO ISS AMBI TAU0 START 0.002373
HIERARCH ESO ISS AMBI TAU0 END 0.002528
HIERARCH ESO ISS AMBI TEMP 12.57
HIERARCH ESO ISS AMBI FWHM START 0.97
HIERARCH ESO ISS AMBI FWHM END 1.0