Exposure
ID
PIONI.2025-06-17T07:37:08.114_1
Header ID
PIONI.2025-06-17T07:37:08.114
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 07:37:08.114
UTC End
2025-06-17 07:37:33.714
MJD Start
60843.3174550189
MJD End
60843.3177513152
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.003368
Ambient temperature (°C)
6.7
Seeing (arcsec)
0.79
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 79.0080 78.9330 136.2000 136.3000
A0-J2 107.2180 107.0530 109.5000 109.5000
A0-K0 107.5270 107.3590 83.3190 83.3650
G1-J2 51.0550 50.9930 65.3000 65.4000
G1-K0 86.8890 86.8520 36.8480 36.8730
J2-K0 48.5720 48.5730 6.7430 6.8070
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 60843.3174550189
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 79.008
HIERARCH ESO ISS PBL12 END 78.933
HIERARCH ESO ISS PBLA12 START 136.2
HIERARCH ESO ISS PBLA12 END 136.3
HIERARCH ESO ISS PBL13 START 107.218
HIERARCH ESO ISS PBL13 END 107.053
HIERARCH ESO ISS PBLA13 START 109.5
HIERARCH ESO ISS PBLA13 END 109.5
HIERARCH ESO ISS PBL14 START 107.527
HIERARCH ESO ISS PBL14 END 107.359
HIERARCH ESO ISS PBLA14 START 83.319
HIERARCH ESO ISS PBLA14 END 83.365
HIERARCH ESO ISS PBL23 START 51.055
HIERARCH ESO ISS PBL23 END 50.993
HIERARCH ESO ISS PBLA23 START 65.3
HIERARCH ESO ISS PBLA23 END 65.4
HIERARCH ESO ISS PBL24 START 86.889
HIERARCH ESO ISS PBL24 END 86.852
HIERARCH ESO ISS PBLA24 START 36.848
HIERARCH ESO ISS PBLA24 END 36.873
HIERARCH ESO ISS PBL34 START 48.572
HIERARCH ESO ISS PBL34 END 48.573
HIERARCH ESO ISS PBLA34 START 6.743
HIERARCH ESO ISS PBLA34 END 6.807
HIERARCH ESO ISS AMBI TAU0 START 0.003368
HIERARCH ESO ISS AMBI TAU0 END 0.003368
HIERARCH ESO ISS AMBI TEMP 6.7
HIERARCH ESO ISS AMBI FWHM START 0.73
HIERARCH ESO ISS AMBI FWHM END 0.85