Exposure
ID
PIONI.2025-06-16T04:18:41.134_1
Header ID
PIONI.2025-06-16T04:18:41.134
Date updated
2025-06-16 04:29:06 UTC+0000
Release date
2026-06-16 04:29:05 UTC+0000
UTC Start
2025-06-16 04:18:41.135
UTC End
2025-06-16 04:19:06.735
MJD Start
60842.1796427625
MJD End
60842.1799390588
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.003286
Ambient temperature (°C)
6.51
Seeing (arcsec)
0.9
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 89.0370 89.0740 111.3000 111.3000
A0-J2 126.2600 126.3260 87.7000 87.8000
A0-K0 125.0250 125.0850 65.4010 65.4710
G1-J2 57.1180 57.1380 49.1000 49.2000
G1-K0 89.8010 89.8100 20.0050 20.0780
J2-K0 48.6490 48.6490 345.1350 345.1910
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 60842.1796427625
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 89.037
HIERARCH ESO ISS PBL12 END 89.074
HIERARCH ESO ISS PBLA12 START 111.3
HIERARCH ESO ISS PBLA12 END 111.3
HIERARCH ESO ISS PBL13 START 126.26
HIERARCH ESO ISS PBL13 END 126.326
HIERARCH ESO ISS PBLA13 START 87.7
HIERARCH ESO ISS PBLA13 END 87.8
HIERARCH ESO ISS PBL14 START 125.025
HIERARCH ESO ISS PBL14 END 125.085
HIERARCH ESO ISS PBLA14 START 65.401
HIERARCH ESO ISS PBLA14 END 65.471
HIERARCH ESO ISS PBL23 START 57.118
HIERARCH ESO ISS PBL23 END 57.138
HIERARCH ESO ISS PBLA23 START 49.1
HIERARCH ESO ISS PBLA23 END 49.2
HIERARCH ESO ISS PBL24 START 89.801
HIERARCH ESO ISS PBL24 END 89.81
HIERARCH ESO ISS PBLA24 START 20.005
HIERARCH ESO ISS PBLA24 END 20.078
HIERARCH ESO ISS PBL34 START 48.649
HIERARCH ESO ISS PBL34 END 48.649
HIERARCH ESO ISS PBLA34 START 345.135
HIERARCH ESO ISS PBLA34 END 345.191
HIERARCH ESO ISS AMBI TAU0 START 0.003286
HIERARCH ESO ISS AMBI TAU0 END 0.003286
HIERARCH ESO ISS AMBI TEMP 6.51
HIERARCH ESO ISS AMBI FWHM START 0.9
HIERARCH ESO ISS AMBI FWHM END 0.9