Exposure
ID
PIONI.2025-06-16T04:26:44.925_1
Header ID
PIONI.2025-06-16T04:26:44.925
Date updated
2025-06-16 04:41:55 UTC+0000
Release date
2025-06-16 04:26:44 UTC+0000
UTC Start
2025-06-16 04:26:44.925
UTC End
2025-06-16 04:27:10.525
MJD Start
60842.1852421919
MJD End
60842.1855384882
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.004089
Ambient temperature (°C)
6.6
Seeing (arcsec)
1.04
Observation
ID
68116
Category
calibrator
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
50632
Name
eps Sgr
RA
276.041375
DEC
-34.38532
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 86.9490 87.0010 107.8000 107.8000
A0-J2 125.8010 125.8650 84.0000 84.0000
A0-K0 126.5480 126.5840 62.2590 62.3520
G1-J2 58.0580 58.0650 46.8000 46.9000
G1-K0 90.2830 90.2790 18.8710 18.9480
J2-K0 47.5040 47.5110 343.9950 344.0530
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.27VC.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE FRINGE,OBJECT
MJD-OBS 60842.1852421919
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME eps Sgr
RA 276.041375
DEC -34.38532
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 86.949
HIERARCH ESO ISS PBL12 END 87.001
HIERARCH ESO ISS PBLA12 START 107.8
HIERARCH ESO ISS PBLA12 END 107.8
HIERARCH ESO ISS PBL13 START 125.801
HIERARCH ESO ISS PBL13 END 125.865
HIERARCH ESO ISS PBLA13 START 84.0
HIERARCH ESO ISS PBLA13 END 84.0
HIERARCH ESO ISS PBL14 START 126.548
HIERARCH ESO ISS PBL14 END 126.584
HIERARCH ESO ISS PBLA14 START 62.259
HIERARCH ESO ISS PBLA14 END 62.352
HIERARCH ESO ISS PBL23 START 58.058
HIERARCH ESO ISS PBL23 END 58.065
HIERARCH ESO ISS PBLA23 START 46.8
HIERARCH ESO ISS PBLA23 END 46.9
HIERARCH ESO ISS PBL24 START 90.283
HIERARCH ESO ISS PBL24 END 90.279
HIERARCH ESO ISS PBLA24 START 18.871
HIERARCH ESO ISS PBLA24 END 18.948
HIERARCH ESO ISS PBL34 START 47.504
HIERARCH ESO ISS PBL34 END 47.511
HIERARCH ESO ISS PBLA34 START 343.995
HIERARCH ESO ISS PBLA34 END 344.053
HIERARCH ESO ISS AMBI TAU0 START 0.004089
HIERARCH ESO ISS AMBI TAU0 END 0.004089
HIERARCH ESO ISS AMBI TEMP 6.6
HIERARCH ESO ISS AMBI FWHM START 1.04
HIERARCH ESO ISS AMBI FWHM END 1.04