Exposure
ID
PIONI.2025-06-22T07:09:59.634_1
Header ID
PIONI.2025-06-22T07:09:59.634
Date updated
2025-06-22 07:15:43 UTC+0000
Release date
2025-06-22 07:09:59 UTC+0000
UTC Start
2025-06-22 07:09:59.634
UTC End
2025-06-22 07:10:25.234
MJD Start
60848.298606874
MJD End
60848.2989031703
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.002597
Ambient temperature (°C)
11.04
Seeing (arcsec)
0.515
Observation
ID
68193
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
50692
Name
HD 165634
RA
272.020898
DEC
-28.45727
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 58.9870 58.9130 290.5000 290.6000
K0-D0 81.6830 81.5670 266.5000 266.6000
K0-J3 56.2060 56.2040 350.9360 351.0230
G2-D0 36.7030 36.6770 225.7000 225.8000
G2-J3 58.0260 57.9740 53.0950 53.1280
D0-J3 94.5440 94.4650 50.2430 50.2750
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 60848.298606874
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 165634
RA 272.020898
DEC -28.45727
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 58.987
HIERARCH ESO ISS PBL12 END 58.913
HIERARCH ESO ISS PBLA12 START 290.5
HIERARCH ESO ISS PBLA12 END 290.6
HIERARCH ESO ISS PBL13 START 81.683
HIERARCH ESO ISS PBL13 END 81.567
HIERARCH ESO ISS PBLA13 START 266.5
HIERARCH ESO ISS PBLA13 END 266.6
HIERARCH ESO ISS PBL14 START 56.206
HIERARCH ESO ISS PBL14 END 56.204
HIERARCH ESO ISS PBLA14 START 350.936
HIERARCH ESO ISS PBLA14 END 351.023
HIERARCH ESO ISS PBL23 START 36.703
HIERARCH ESO ISS PBL23 END 36.677
HIERARCH ESO ISS PBLA23 START 225.7
HIERARCH ESO ISS PBLA23 END 225.8
HIERARCH ESO ISS PBL24 START 58.026
HIERARCH ESO ISS PBL24 END 57.974
HIERARCH ESO ISS PBLA24 START 53.095
HIERARCH ESO ISS PBLA24 END 53.128
HIERARCH ESO ISS PBL34 START 94.544
HIERARCH ESO ISS PBL34 END 94.465
HIERARCH ESO ISS PBLA34 START 50.243
HIERARCH ESO ISS PBLA34 END 50.275
HIERARCH ESO ISS AMBI TAU0 START 0.002555
HIERARCH ESO ISS AMBI TAU0 END 0.002639
HIERARCH ESO ISS AMBI TEMP 11.04
HIERARCH ESO ISS AMBI FWHM START 0.51
HIERARCH ESO ISS AMBI FWHM END 0.52