Exposure
ID
PIONI.2025-07-16T01:48:23.250_1
Header ID
PIONI.2025-07-16T01:48:23.250
Date updated
2025-07-16 01:56:00 UTC+0000
Release date
2026-07-16 01:55:59 UTC+0000
UTC Start
2025-07-16 01:48:23.250
UTC End
2025-07-16 01:48:48.850
MJD Start
60872.0752690965
MJD End
60872.0755653928
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.0021525
Ambient temperature (°C)
12.9
Seeing (arcsec)
1.03
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 86.3700 86.4320 108.9000 108.9000
A0-J2 121.5910 121.6970 84.5000 84.6000
A0-K0 120.9730 121.0610 61.3860 61.4650
G1-J2 55.7720 55.8010 44.8000 44.9000
G1-K0 89.2790 89.2890 15.9050 15.9840
J2-K0 48.6080 48.6090 342.2310 342.2830
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 60872.0752690965
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 86.37
HIERARCH ESO ISS PBL12 END 86.432
HIERARCH ESO ISS PBLA12 START 108.9
HIERARCH ESO ISS PBLA12 END 108.9
HIERARCH ESO ISS PBL13 START 121.591
HIERARCH ESO ISS PBL13 END 121.697
HIERARCH ESO ISS PBLA13 START 84.5
HIERARCH ESO ISS PBLA13 END 84.6
HIERARCH ESO ISS PBL14 START 120.973
HIERARCH ESO ISS PBL14 END 121.061
HIERARCH ESO ISS PBLA14 START 61.386
HIERARCH ESO ISS PBLA14 END 61.465
HIERARCH ESO ISS PBL23 START 55.772
HIERARCH ESO ISS PBL23 END 55.801
HIERARCH ESO ISS PBLA23 START 44.8
HIERARCH ESO ISS PBLA23 END 44.9
HIERARCH ESO ISS PBL24 START 89.279
HIERARCH ESO ISS PBL24 END 89.289
HIERARCH ESO ISS PBLA24 START 15.905
HIERARCH ESO ISS PBLA24 END 15.984
HIERARCH ESO ISS PBL34 START 48.608
HIERARCH ESO ISS PBL34 END 48.609
HIERARCH ESO ISS PBLA34 START 342.231
HIERARCH ESO ISS PBLA34 END 342.283
HIERARCH ESO ISS AMBI TAU0 START 0.002196
HIERARCH ESO ISS AMBI TAU0 END 0.002109
HIERARCH ESO ISS AMBI TEMP 12.9
HIERARCH ESO ISS AMBI FWHM START 1.02
HIERARCH ESO ISS AMBI FWHM END 1.04