Exposure
ID
PIONI.2025-07-16T01:49:00.709_1
Header ID
PIONI.2025-07-16T01:49:00.709
Date updated
2025-07-16 01:56:00 UTC+0000
Release date
2026-07-16 01:55:59 UTC+0000
UTC Start
2025-07-16 01:49:00.709
UTC End
2025-07-16 01:49:26.309
MJD Start
60872.0757026514
MJD End
60872.075998947694
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.002109
Ambient temperature (°C)
12.92
Seeing (arcsec)
1.04
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 86.4340 86.4950 108.9000 109.0000
A0-J2 121.7000 121.8040 84.6000 84.6000
A0-K0 121.0640 121.1520 61.4680 61.5470
G1-J2 55.8020 55.8300 44.9000 45.0000
G1-K0 89.2890 89.2990 15.9860 16.0650
J2-K0 48.6090 48.6110 342.2840 342.3360
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 60872.0757026514
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 86.434
HIERARCH ESO ISS PBL12 END 86.495
HIERARCH ESO ISS PBLA12 START 108.9
HIERARCH ESO ISS PBLA12 END 109.0
HIERARCH ESO ISS PBL13 START 121.7
HIERARCH ESO ISS PBL13 END 121.804
HIERARCH ESO ISS PBLA13 START 84.6
HIERARCH ESO ISS PBLA13 END 84.6
HIERARCH ESO ISS PBL14 START 121.064
HIERARCH ESO ISS PBL14 END 121.152
HIERARCH ESO ISS PBLA14 START 61.468
HIERARCH ESO ISS PBLA14 END 61.547
HIERARCH ESO ISS PBL23 START 55.802
HIERARCH ESO ISS PBL23 END 55.83
HIERARCH ESO ISS PBLA23 START 44.9
HIERARCH ESO ISS PBLA23 END 45.0
HIERARCH ESO ISS PBL24 START 89.289
HIERARCH ESO ISS PBL24 END 89.299
HIERARCH ESO ISS PBLA24 START 15.986
HIERARCH ESO ISS PBLA24 END 16.065
HIERARCH ESO ISS PBL34 START 48.609
HIERARCH ESO ISS PBL34 END 48.611
HIERARCH ESO ISS PBLA34 START 342.284
HIERARCH ESO ISS PBLA34 END 342.336
HIERARCH ESO ISS AMBI TAU0 START 0.002109
HIERARCH ESO ISS AMBI TAU0 END 0.002109
HIERARCH ESO ISS AMBI TEMP 12.92
HIERARCH ESO ISS AMBI FWHM START 1.04
HIERARCH ESO ISS AMBI FWHM END 1.04