Exposure
ID
PIONI.2025-06-17T08:24:00.651_1
Header ID
PIONI.2025-06-17T08:24:00.651
Date updated
2025-06-17 08:31:13 UTC+0000
Release date
2026-06-17 08:31:13 UTC+0000
UTC Start
2025-06-17 08:24:00.652
UTC End
2025-06-17 08:24:26.252
MJD Start
60843.3500075429
MJD End
60843.350303839194
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.003792
Ambient temperature (°C)
6.54
Seeing (arcsec)
0.89
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 73.1870 73.1150 146.1000 146.2000
A0-J2 93.0890 92.8960 117.4000 117.5000
A0-K0 92.5680 92.3530 87.0540 87.1040
G1-J2 45.4520 45.3700 66.9000 66.9000
G1-K0 83.3860 83.3330 38.2390 38.2490
J2-K0 48.6330 48.6340 11.6420 11.7030
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 60843.3500075429
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 73.187
HIERARCH ESO ISS PBL12 END 73.115
HIERARCH ESO ISS PBLA12 START 146.1
HIERARCH ESO ISS PBLA12 END 146.2
HIERARCH ESO ISS PBL13 START 93.089
HIERARCH ESO ISS PBL13 END 92.896
HIERARCH ESO ISS PBLA13 START 117.4
HIERARCH ESO ISS PBLA13 END 117.5
HIERARCH ESO ISS PBL14 START 92.568
HIERARCH ESO ISS PBL14 END 92.353
HIERARCH ESO ISS PBLA14 START 87.054
HIERARCH ESO ISS PBLA14 END 87.104
HIERARCH ESO ISS PBL23 START 45.452
HIERARCH ESO ISS PBL23 END 45.37
HIERARCH ESO ISS PBLA23 START 66.9
HIERARCH ESO ISS PBLA23 END 66.9
HIERARCH ESO ISS PBL24 START 83.386
HIERARCH ESO ISS PBL24 END 83.333
HIERARCH ESO ISS PBLA24 START 38.239
HIERARCH ESO ISS PBLA24 END 38.249
HIERARCH ESO ISS PBL34 START 48.633
HIERARCH ESO ISS PBL34 END 48.634
HIERARCH ESO ISS PBLA34 START 11.642
HIERARCH ESO ISS PBLA34 END 11.703
HIERARCH ESO ISS AMBI TAU0 START 0.003792
HIERARCH ESO ISS AMBI TAU0 END 0.003792
HIERARCH ESO ISS AMBI TEMP 6.54
HIERARCH ESO ISS AMBI FWHM START 0.89
HIERARCH ESO ISS AMBI FWHM END 0.89