Exposure
ID
PIONI.2025-08-22T01:15:54.007_1
Header ID
PIONI.2025-08-22T01:15:54.007
Date updated
2025-08-22 01:21:33 UTC+0000
Release date
2025-08-22 01:15:54 UTC+0000
UTC Start
2025-08-22 01:15:54.008
UTC End
2025-08-22 01:16:19.608
MJD Start
60909.0527084232
MJD End
60909.0530047195
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 67.1250 67.1040 53.0000 53.1000
A0-J2 129.1740 129.1650 94.7000 94.8000
A0-J3 129.7590 129.7180 48.5350 48.6130
G2-J2 90.7840 90.7990 124.2000 124.3000
G2-J3 63.0590 63.0400 43.7580 43.8340
J2-J3 101.5420 101.5570 341.9290 341.9980
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 60909.0527084232
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 67.125
HIERARCH ESO ISS PBL12 END 67.104
HIERARCH ESO ISS PBLA12 START 53.0
HIERARCH ESO ISS PBLA12 END 53.1
HIERARCH ESO ISS PBL13 START 129.174
HIERARCH ESO ISS PBL13 END 129.165
HIERARCH ESO ISS PBLA13 START 94.7
HIERARCH ESO ISS PBLA13 END 94.8
HIERARCH ESO ISS PBL14 START 129.759
HIERARCH ESO ISS PBL14 END 129.718
HIERARCH ESO ISS PBLA14 START 48.535
HIERARCH ESO ISS PBLA14 END 48.613
HIERARCH ESO ISS PBL23 START 90.784
HIERARCH ESO ISS PBL23 END 90.799
HIERARCH ESO ISS PBLA23 START 124.2
HIERARCH ESO ISS PBLA23 END 124.3
HIERARCH ESO ISS PBL24 START 63.059
HIERARCH ESO ISS PBL24 END 63.04
HIERARCH ESO ISS PBLA24 START 43.758
HIERARCH ESO ISS PBLA24 END 43.834
HIERARCH ESO ISS PBL34 START 101.542
HIERARCH ESO ISS PBL34 END 101.557
HIERARCH ESO ISS PBLA34 START 341.929
HIERARCH ESO ISS PBLA34 END 341.998
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