Exposure
ID
PIONI.2025-06-16T04:09:18.076_1
Header ID
PIONI.2025-06-16T04:09:18.076
Date updated
2025-06-16 04:29:06 UTC+0000
Release date
2025-06-16 04:09:18 UTC+0000
UTC Start
2025-06-16 04:09:18.076
UTC End
2025-06-16 04:09:43.676
MJD Start
60842.1731258766
MJD End
60842.1734221729
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.0055745
Ambient temperature (°C)
6.33
Seeing (arcsec)
0.5549999999999999
Observation
ID
68115
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
50631
Name
HD 165634
RA
272.019635
DEC
-28.45727
Instrument
Interferometer
VLTI
Instrument
PIONIER
Instrument mode
GRISM-H
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 87.6190 87.6680 109.2000 109.2000
A0-J2 125.3530 125.4250 85.2000 85.3000
A0-K0 125.3860 125.4380 62.9990 63.0830
G1-J2 57.5670 57.5820 47.1000 47.2000
G1-K0 90.4350 90.4380 18.6710 18.7470
J2-K0 48.3030 48.3060 344.1460 344.2030
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 60842.1731258766
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 165634
RA 272.019635
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 A0
HIERARCH ESO ISS CONF STATION2 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 K0
HIERARCH ESO DET DIT 0.0005
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 87.619
HIERARCH ESO ISS PBL12 END 87.668
HIERARCH ESO ISS PBLA12 START 109.2
HIERARCH ESO ISS PBLA12 END 109.2
HIERARCH ESO ISS PBL13 START 125.353
HIERARCH ESO ISS PBL13 END 125.425
HIERARCH ESO ISS PBLA13 START 85.2
HIERARCH ESO ISS PBLA13 END 85.3
HIERARCH ESO ISS PBL14 START 125.386
HIERARCH ESO ISS PBL14 END 125.438
HIERARCH ESO ISS PBLA14 START 62.999
HIERARCH ESO ISS PBLA14 END 63.083
HIERARCH ESO ISS PBL23 START 57.567
HIERARCH ESO ISS PBL23 END 57.582
HIERARCH ESO ISS PBLA23 START 47.1
HIERARCH ESO ISS PBLA23 END 47.2
HIERARCH ESO ISS PBL24 START 90.435
HIERARCH ESO ISS PBL24 END 90.438
HIERARCH ESO ISS PBLA24 START 18.671
HIERARCH ESO ISS PBLA24 END 18.747
HIERARCH ESO ISS PBL34 START 48.303
HIERARCH ESO ISS PBL34 END 48.306
HIERARCH ESO ISS PBLA34 START 344.146
HIERARCH ESO ISS PBLA34 END 344.203
HIERARCH ESO ISS AMBI TAU0 START 0.005781
HIERARCH ESO ISS AMBI TAU0 END 0.005368
HIERARCH ESO ISS AMBI TEMP 6.33
HIERARCH ESO ISS AMBI FWHM START 0.51
HIERARCH ESO ISS AMBI FWHM END 0.6