Exposure
ID
PIONI.2025-08-22T01:47:00.678_1
Header ID
PIONI.2025-08-22T01:47:00.678
Date updated
2025-08-22 01:55:55 UTC+0000
Release date
2025-08-22 01:47:00 UTC+0000
UTC Start
2025-08-22 01:47:00.678
UTC End
2025-08-22 01:47:26.278
MJD Start
60909.0743134012
MJD End
60909.0746096975
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.002151
Ambient temperature (°C)
7.62
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 65.7550 65.7230 57.1000 57.1000
A0-J2 128.0360 128.0000 99.6000 99.7000
A0-J3 127.1600 127.1000 52.4500 52.5230
G2-J2 91.2050 91.2070 128.8000 128.9000
G2-J3 61.8450 61.8170 47.5410 47.6110
J2-J3 102.1640 102.1740 345.5990 345.6710
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 60909.0743134012
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 65.755
HIERARCH ESO ISS PBL12 END 65.723
HIERARCH ESO ISS PBLA12 START 57.1
HIERARCH ESO ISS PBLA12 END 57.1
HIERARCH ESO ISS PBL13 START 128.036
HIERARCH ESO ISS PBL13 END 128.0
HIERARCH ESO ISS PBLA13 START 99.6
HIERARCH ESO ISS PBLA13 END 99.7
HIERARCH ESO ISS PBL14 START 127.16
HIERARCH ESO ISS PBL14 END 127.1
HIERARCH ESO ISS PBLA14 START 52.45
HIERARCH ESO ISS PBLA14 END 52.523
HIERARCH ESO ISS PBL23 START 91.205
HIERARCH ESO ISS PBL23 END 91.207
HIERARCH ESO ISS PBLA23 START 128.8
HIERARCH ESO ISS PBLA23 END 128.9
HIERARCH ESO ISS PBL24 START 61.845
HIERARCH ESO ISS PBL24 END 61.817
HIERARCH ESO ISS PBLA24 START 47.541
HIERARCH ESO ISS PBLA24 END 47.611
HIERARCH ESO ISS PBL34 START 102.164
HIERARCH ESO ISS PBL34 END 102.174
HIERARCH ESO ISS PBLA34 START 345.599
HIERARCH ESO ISS PBLA34 END 345.671
HIERARCH ESO ISS AMBI TAU0 START 0.002151
HIERARCH ESO ISS AMBI TAU0 END 0.002151
HIERARCH ESO ISS AMBI TEMP 7.62
HIERARCH ESO ISS AMBI FWHM START 1.76
HIERARCH ESO ISS AMBI FWHM END 1.76