Exposure
ID
PIONI.2025-08-15T02:37:32.113_1
Header ID
PIONI.2025-08-15T02:37:32.113
Date updated
2025-08-15 02:45:39 UTC+0000
Release date
2026-08-15 02:45:39 UTC+0000
UTC Start
2025-08-15 02:37:32.113
UTC End
2025-08-15 02:37:57.713
MJD Start
60902.1093994551
MJD End
60902.109695751395
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.002091
Ambient temperature (°C)
11.03
Seeing (arcsec)
1.19
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 64.7060 64.6530 279.6000 279.7000
K0-D0 91.6050 91.5370 258.1000 258.1000
K0-J3 55.8120 55.8050 342.4160 342.4940
G2-D0 39.4350 39.4240 220.9000 221.0000
G2-J3 63.2200 63.1960 47.9320 47.9700
D0-J3 102.4730 102.4390 45.2420 45.2810
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 60902.1093994551
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 64.706
HIERARCH ESO ISS PBL12 END 64.653
HIERARCH ESO ISS PBLA12 START 279.6
HIERARCH ESO ISS PBLA12 END 279.7
HIERARCH ESO ISS PBL13 START 91.605
HIERARCH ESO ISS PBL13 END 91.537
HIERARCH ESO ISS PBLA13 START 258.1
HIERARCH ESO ISS PBLA13 END 258.1
HIERARCH ESO ISS PBL14 START 55.812
HIERARCH ESO ISS PBL14 END 55.805
HIERARCH ESO ISS PBLA14 START 342.416
HIERARCH ESO ISS PBLA14 END 342.494
HIERARCH ESO ISS PBL23 START 39.435
HIERARCH ESO ISS PBL23 END 39.424
HIERARCH ESO ISS PBLA23 START 220.9
HIERARCH ESO ISS PBLA23 END 221.0
HIERARCH ESO ISS PBL24 START 63.22
HIERARCH ESO ISS PBL24 END 63.196
HIERARCH ESO ISS PBLA24 START 47.932
HIERARCH ESO ISS PBLA24 END 47.97
HIERARCH ESO ISS PBL34 START 102.473
HIERARCH ESO ISS PBL34 END 102.439
HIERARCH ESO ISS PBLA34 START 45.242
HIERARCH ESO ISS PBLA34 END 45.281
HIERARCH ESO ISS AMBI TAU0 START 0.002091
HIERARCH ESO ISS AMBI TAU0 END 0.002091
HIERARCH ESO ISS AMBI TEMP 11.03
HIERARCH ESO ISS AMBI FWHM START 1.19
HIERARCH ESO ISS AMBI FWHM END 1.19