Exposure
ID
PIONI.2025-08-22T00:15:35.553_1
Header ID
PIONI.2025-08-22T00:15:35.553
Date updated
2025-08-22 00:26:24 UTC+0000
Release date
2025-08-22 00:15:35 UTC+0000
UTC Start
2025-08-22 00:15:35.553
UTC End
2025-08-22 00:16:13.953
MJD Start
60909.0108281584
MJD End
60909.011272602846
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.002151
Ambient temperature (°C)
7.71
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 68.3000 68.2950 44.4000 44.5000
A0-J2 127.2660 127.3280 85.2000 85.4000
A0-J3 132.2080 132.1940 40.1500 40.2760
G2-J2 87.7770 87.8390 115.8000 115.9000
G2-J3 64.2980 64.2900 35.6210 35.7430
J2-J3 99.5690 99.6040 335.3210 335.4100
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 60909.0108281584
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 0.00075
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 68.3
HIERARCH ESO ISS PBL12 END 68.295
HIERARCH ESO ISS PBLA12 START 44.4
HIERARCH ESO ISS PBLA12 END 44.5
HIERARCH ESO ISS PBL13 START 127.266
HIERARCH ESO ISS PBL13 END 127.328
HIERARCH ESO ISS PBLA13 START 85.2
HIERARCH ESO ISS PBLA13 END 85.4
HIERARCH ESO ISS PBL14 START 132.208
HIERARCH ESO ISS PBL14 END 132.194
HIERARCH ESO ISS PBLA14 START 40.15
HIERARCH ESO ISS PBLA14 END 40.276
HIERARCH ESO ISS PBL23 START 87.777
HIERARCH ESO ISS PBL23 END 87.839
HIERARCH ESO ISS PBLA23 START 115.8
HIERARCH ESO ISS PBLA23 END 115.9
HIERARCH ESO ISS PBL24 START 64.298
HIERARCH ESO ISS PBL24 END 64.29
HIERARCH ESO ISS PBLA24 START 35.621
HIERARCH ESO ISS PBLA24 END 35.743
HIERARCH ESO ISS PBL34 START 99.569
HIERARCH ESO ISS PBL34 END 99.604
HIERARCH ESO ISS PBLA34 START 335.321
HIERARCH ESO ISS PBLA34 END 335.41
HIERARCH ESO ISS AMBI TAU0 START 0.002151
HIERARCH ESO ISS AMBI TAU0 END 0.002151
HIERARCH ESO ISS AMBI TEMP 7.71
HIERARCH ESO ISS AMBI FWHM START 1.76
HIERARCH ESO ISS AMBI FWHM END 1.76