Exposure
ID
PIONI.2025-06-22T07:51:10.159_1
Header ID
PIONI.2025-06-22T07:51:10.159
Date updated
2025-06-22 08:00:41 UTC+0000
Release date
2026-06-22 08:00:41 UTC+0000
UTC Start
2025-06-22 07:51:10.160
UTC End
2025-06-22 07:51:35.760
MJD Start
60848.327200925
MJD End
60848.3274972213
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.003071
Ambient temperature (°C)
11.61
Seeing (arcsec)
0.435
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 51.3200 51.2190 293.3000 293.4000
K0-D0 72.8570 72.7050 266.0000 266.0000
K0-J3 54.9730 54.9710 356.9120 357.0020
G2-D0 36.0330 36.0030 225.1000 225.1000
G2-J3 56.1120 56.0510 51.9360 51.9440
D0-J3 91.9910 91.9010 49.2800 49.2880
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 60848.327200925
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 51.32
HIERARCH ESO ISS PBL12 END 51.219
HIERARCH ESO ISS PBLA12 START 293.3
HIERARCH ESO ISS PBLA12 END 293.4
HIERARCH ESO ISS PBL13 START 72.857
HIERARCH ESO ISS PBL13 END 72.705
HIERARCH ESO ISS PBLA13 START 266.0
HIERARCH ESO ISS PBLA13 END 266.0
HIERARCH ESO ISS PBL14 START 54.973
HIERARCH ESO ISS PBL14 END 54.971
HIERARCH ESO ISS PBLA14 START 356.912
HIERARCH ESO ISS PBLA14 END 357.002
HIERARCH ESO ISS PBL23 START 36.033
HIERARCH ESO ISS PBL23 END 36.003
HIERARCH ESO ISS PBLA23 START 225.1
HIERARCH ESO ISS PBLA23 END 225.1
HIERARCH ESO ISS PBL24 START 56.112
HIERARCH ESO ISS PBL24 END 56.051
HIERARCH ESO ISS PBLA24 START 51.936
HIERARCH ESO ISS PBLA24 END 51.944
HIERARCH ESO ISS PBL34 START 91.991
HIERARCH ESO ISS PBL34 END 91.901
HIERARCH ESO ISS PBLA34 START 49.28
HIERARCH ESO ISS PBLA34 END 49.288
HIERARCH ESO ISS AMBI TAU0 START 0.003131
HIERARCH ESO ISS AMBI TAU0 END 0.003011
HIERARCH ESO ISS AMBI TEMP 11.61
HIERARCH ESO ISS AMBI FWHM START 0.46
HIERARCH ESO ISS AMBI FWHM END 0.41