Exposure
ID
PIONI.2025-08-15T02:45:24.682_1
Header ID
PIONI.2025-08-15T02:45:24.682
Date updated
2025-08-15 02:55:33 UTC+0000
Release date
2025-08-15 02:45:24 UTC+0000
UTC Start
2025-08-15 02:45:24.682
UTC End
2025-08-15 02:45:50.282
MJD Start
60902.1148690074
MJD End
60902.115165303694
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.001756
Ambient temperature (°C)
10.97
Seeing (arcsec)
1.455
Observation
ID
70014
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
K0 G2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
K0-G2 66.2980 66.2650 283.5000 283.6000
K0-D0 90.8970 90.8350 262.6000 262.7000
K0-J3 56.1750 56.1790 341.6580 341.7390
G2-D0 37.3810 37.3610 223.4000 223.4000
G2-J3 60.1810 60.1440 51.0310 51.0970
D0-J3 97.3560 97.2990 48.1010 48.1650
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 60902.1148690074
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 K0
HIERARCH ESO ISS CONF STATION2 G2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 J3
HIERARCH ESO DET DIT 0.0005
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 66.298
HIERARCH ESO ISS PBL12 END 66.265
HIERARCH ESO ISS PBLA12 START 283.5
HIERARCH ESO ISS PBLA12 END 283.6
HIERARCH ESO ISS PBL13 START 90.897
HIERARCH ESO ISS PBL13 END 90.835
HIERARCH ESO ISS PBLA13 START 262.6
HIERARCH ESO ISS PBLA13 END 262.7
HIERARCH ESO ISS PBL14 START 56.175
HIERARCH ESO ISS PBL14 END 56.179
HIERARCH ESO ISS PBLA14 START 341.658
HIERARCH ESO ISS PBLA14 END 341.739
HIERARCH ESO ISS PBL23 START 37.381
HIERARCH ESO ISS PBL23 END 37.361
HIERARCH ESO ISS PBLA23 START 223.4
HIERARCH ESO ISS PBLA23 END 223.4
HIERARCH ESO ISS PBL24 START 60.181
HIERARCH ESO ISS PBL24 END 60.144
HIERARCH ESO ISS PBLA24 START 51.031
HIERARCH ESO ISS PBLA24 END 51.097
HIERARCH ESO ISS PBL34 START 97.356
HIERARCH ESO ISS PBL34 END 97.299
HIERARCH ESO ISS PBLA34 START 48.101
HIERARCH ESO ISS PBLA34 END 48.165
HIERARCH ESO ISS AMBI TAU0 START 0.001756
HIERARCH ESO ISS AMBI TAU0 END 0.001756
HIERARCH ESO ISS AMBI TEMP 10.97
HIERARCH ESO ISS AMBI FWHM START 1.4
HIERARCH ESO ISS AMBI FWHM END 1.51