Exposure
ID
PIONI.2025-08-22T01:15:16.384_1
Header ID
PIONI.2025-08-22T01:15:16.384
Date updated
2025-08-22 01:21:33 UTC+0000
Release date
2025-08-22 01:15:16 UTC+0000
UTC Start
2025-08-22 01:15:16.384
UTC End
2025-08-22 01:15:41.984
MJD Start
60909.0522729573
MJD End
60909.052569253596
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.002151
Ambient temperature (°C)
7.39
Seeing (arcsec)
1.76
Observation
ID
70063
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
51945
Name
HD 168592
RA
275.577084
DEC
-38.65706
Instrument
Interferometer
VLTI
Instrument
PIONIER
Instrument mode
GRISM-H
Stations
A0 G2 J2 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G2 67.1470 67.1260 52.9000 53.0000
A0-J2 129.1820 129.1740 94.6000 94.7000
A0-J3 129.8020 129.7610 48.4530 48.5310
G2-J2 90.7680 90.7830 124.1000 124.2000
G2-J3 63.0790 63.0600 43.6790 43.7540
J2-J3 101.5270 101.5420 341.8560 341.9250
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 60909.0522729573
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 168592
RA 275.577084
DEC -38.65706
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 G2
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 J3
HIERARCH ESO DET DIT 0.0005
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 67.147
HIERARCH ESO ISS PBL12 END 67.126
HIERARCH ESO ISS PBLA12 START 52.9
HIERARCH ESO ISS PBLA12 END 53.0
HIERARCH ESO ISS PBL13 START 129.182
HIERARCH ESO ISS PBL13 END 129.174
HIERARCH ESO ISS PBLA13 START 94.6
HIERARCH ESO ISS PBLA13 END 94.7
HIERARCH ESO ISS PBL14 START 129.802
HIERARCH ESO ISS PBL14 END 129.761
HIERARCH ESO ISS PBLA14 START 48.453
HIERARCH ESO ISS PBLA14 END 48.531
HIERARCH ESO ISS PBL23 START 90.768
HIERARCH ESO ISS PBL23 END 90.783
HIERARCH ESO ISS PBLA23 START 124.1
HIERARCH ESO ISS PBLA23 END 124.2
HIERARCH ESO ISS PBL24 START 63.079
HIERARCH ESO ISS PBL24 END 63.06
HIERARCH ESO ISS PBLA24 START 43.679
HIERARCH ESO ISS PBLA24 END 43.754
HIERARCH ESO ISS PBL34 START 101.527
HIERARCH ESO ISS PBL34 END 101.542
HIERARCH ESO ISS PBLA34 START 341.856
HIERARCH ESO ISS PBLA34 END 341.925
HIERARCH ESO ISS AMBI TAU0 START 0.002151
HIERARCH ESO ISS AMBI TAU0 END 0.002151
HIERARCH ESO ISS AMBI TEMP 7.39
HIERARCH ESO ISS AMBI FWHM START 1.76
HIERARCH ESO ISS AMBI FWHM END 1.76