Exposure
ID
PIONI.2025-06-17T08:08:33.676_1
Header ID
PIONI.2025-06-17T08:08:33.676
Date updated
2025-06-17 08:16:07 UTC+0000
Release date
2026-06-17 08:16:06 UTC+0000
UTC Start
2025-06-17 08:08:33.676
UTC End
2025-06-17 08:08:59.276
MJD Start
60843.3392786598
MJD End
60843.339574956095
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.003343
Ambient temperature (°C)
6.83
Seeing (arcsec)
0.71
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 75.0810 75.0060 142.6000 142.7000
A0-J2 97.9810 97.7950 114.5000 114.6000
A0-K0 97.9010 97.7010 85.7890 85.8370
G1-J2 47.4660 47.3910 66.5000 66.5000
G1-K0 84.6790 84.6320 37.8990 37.9140
J2-K0 48.6150 48.6150 10.0650 10.1270
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 60843.3392786598
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 75.081
HIERARCH ESO ISS PBL12 END 75.006
HIERARCH ESO ISS PBLA12 START 142.6
HIERARCH ESO ISS PBLA12 END 142.7
HIERARCH ESO ISS PBL13 START 97.981
HIERARCH ESO ISS PBL13 END 97.795
HIERARCH ESO ISS PBLA13 START 114.5
HIERARCH ESO ISS PBLA13 END 114.6
HIERARCH ESO ISS PBL14 START 97.901
HIERARCH ESO ISS PBL14 END 97.701
HIERARCH ESO ISS PBLA14 START 85.789
HIERARCH ESO ISS PBLA14 END 85.837
HIERARCH ESO ISS PBL23 START 47.466
HIERARCH ESO ISS PBL23 END 47.391
HIERARCH ESO ISS PBLA23 START 66.5
HIERARCH ESO ISS PBLA23 END 66.5
HIERARCH ESO ISS PBL24 START 84.679
HIERARCH ESO ISS PBL24 END 84.632
HIERARCH ESO ISS PBLA24 START 37.899
HIERARCH ESO ISS PBLA24 END 37.914
HIERARCH ESO ISS PBL34 START 48.615
HIERARCH ESO ISS PBL34 END 48.615
HIERARCH ESO ISS PBLA34 START 10.065
HIERARCH ESO ISS PBLA34 END 10.127
HIERARCH ESO ISS AMBI TAU0 START 0.003343
HIERARCH ESO ISS AMBI TAU0 END 0.003343
HIERARCH ESO ISS AMBI TEMP 6.83
HIERARCH ESO ISS AMBI FWHM START 0.71
HIERARCH ESO ISS AMBI FWHM END 0.71