Exposure
ID
PIONI.2025-06-22T08:12:59.870_1
Header ID
PIONI.2025-06-22T08:12:59.870
Date updated
2025-06-22 08:20:52 UTC+0000
Release date
2026-06-22 08:20:52 UTC+0000
UTC Start
2025-06-22 08:12:59.870
UTC End
2025-06-22 08:13:25.470
MJD Start
60848.3423596108
MJD End
60848.342655907094
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.002858
Ambient temperature (°C)
11.38
Seeing (arcsec)
0.44
Observation
ID
68194
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
50684
Name
V VX Sgr
RA
272.016859
DEC
-22.22406
Instrument
Interferometer
VLTI
Instrument
PIONIER
Instrument mode
GRISM-H
Stations
K0 G2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
K0-G2 47.5530 47.4480 297.4000 297.6000
K0-D0 67.0660 66.8990 267.8000 267.8000
K0-J3 54.9430 54.9430 0.2160 0.3070
G2-D0 34.8740 34.8400 225.4000 225.4000
G2-J3 53.7600 53.6920 52.0920 52.0920
D0-J3 88.4880 88.3860 49.4420 49.4420
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 60848.3423596108
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME V VX Sgr
RA 272.016859
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 K0
HIERARCH ESO ISS CONF STATION2 G2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 J3
HIERARCH ESO DET DIT 0.0005
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 47.553
HIERARCH ESO ISS PBL12 END 47.448
HIERARCH ESO ISS PBLA12 START 297.4
HIERARCH ESO ISS PBLA12 END 297.6
HIERARCH ESO ISS PBL13 START 67.066
HIERARCH ESO ISS PBL13 END 66.899
HIERARCH ESO ISS PBLA13 START 267.8
HIERARCH ESO ISS PBLA13 END 267.8
HIERARCH ESO ISS PBL14 START 54.943
HIERARCH ESO ISS PBL14 END 54.943
HIERARCH ESO ISS PBLA14 START 0.216
HIERARCH ESO ISS PBLA14 END 0.307
HIERARCH ESO ISS PBL23 START 34.874
HIERARCH ESO ISS PBL23 END 34.84
HIERARCH ESO ISS PBLA23 START 225.4
HIERARCH ESO ISS PBLA23 END 225.4
HIERARCH ESO ISS PBL24 START 53.76
HIERARCH ESO ISS PBL24 END 53.692
HIERARCH ESO ISS PBLA24 START 52.092
HIERARCH ESO ISS PBLA24 END 52.092
HIERARCH ESO ISS PBL34 START 88.488
HIERARCH ESO ISS PBL34 END 88.386
HIERARCH ESO ISS PBLA34 START 49.442
HIERARCH ESO ISS PBLA34 END 49.442
HIERARCH ESO ISS AMBI TAU0 START 0.002858
HIERARCH ESO ISS AMBI TAU0 END 0.002858
HIERARCH ESO ISS AMBI TEMP 11.38
HIERARCH ESO ISS AMBI FWHM START 0.44
HIERARCH ESO ISS AMBI FWHM END 0.44