Exposure
ID
PIONI.2025-02-06T03:46:17.175_1
Header ID
PIONI.2025-02-06T03:46:17.175
Date updated
2025-02-06 03:50:44 UTC+0000
Release date
2026-02-06 03:50:44 UTC+0000
UTC Start
2025-02-06 03:46:17.175
UTC End
2025-02-06 03:46:42.775
MJD Start
60712.1571432268
MJD End
60712.1574395231
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.0053265
Ambient temperature (°C)
15.7
Seeing (arcsec)
1.27
Observation
ID
63673
Category
science
Program ID
114.2734.001
Program Title
GAIA FGK BENCHMARK STARS: METAL-POOR STARS
Program Type
Normal
PI / COI
SOUBIRAN / NARDETTO / CREEVEY / JOFRE PFEIL / HEITER / MOURARD / CASAMIQUELA / WORLEY / BAILLEUL
Target
ID
47430
Name
HD 39099
RA
87.713689
DEC
14.04812
Instrument
Interferometer
VLTI
Instrument
PIONIER
Instrument mode
GRISM-H
Stations
A0 B5 J2 J6
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B5 32.2360 32.2110 163.9000 164.0000
A0-J2 105.4850 105.2960 83.1000 83.0000
A0-J6 164.0700 164.1350 36.4100 36.4040
B5-J2 105.2660 105.1770 65.5000 65.4000
B5-J6 185.4600 185.5570 28.4800 28.4980
J2-J6 119.5560 119.5370 356.4780 356.5850
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 114.2734.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE FRINGE,OBJECT
MJD-OBS 60712.1571432268
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 39099
RA 87.713689
DEC 14.04812
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 B5
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 J6
EXPTIME 25.6
HIERARCH ESO DET DIT 0.0005
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 32.236
HIERARCH ESO ISS PBL12 END 32.211
HIERARCH ESO ISS PBLA12 START 163.9
HIERARCH ESO ISS PBLA12 END 164.0
HIERARCH ESO ISS PBL13 START 105.485
HIERARCH ESO ISS PBL13 END 105.296
HIERARCH ESO ISS PBLA13 START 83.1
HIERARCH ESO ISS PBLA13 END 83.0
HIERARCH ESO ISS PBL14 START 164.07
HIERARCH ESO ISS PBL14 END 164.135
HIERARCH ESO ISS PBLA14 START 36.41
HIERARCH ESO ISS PBLA14 END 36.404
HIERARCH ESO ISS PBL23 START 105.266
HIERARCH ESO ISS PBL23 END 105.177
HIERARCH ESO ISS PBLA23 START 65.5
HIERARCH ESO ISS PBLA23 END 65.4
HIERARCH ESO ISS PBL24 START 185.46
HIERARCH ESO ISS PBL24 END 185.557
HIERARCH ESO ISS PBLA24 START 28.48
HIERARCH ESO ISS PBLA24 END 28.498
HIERARCH ESO ISS PBL34 START 119.556
HIERARCH ESO ISS PBL34 END 119.537
HIERARCH ESO ISS PBLA34 START 356.478
HIERARCH ESO ISS PBLA34 END 356.585
HIERARCH ESO ISS AMBI TAU0 START 0.005318
HIERARCH ESO ISS AMBI TAU0 END 0.005335
HIERARCH ESO ISS AMBI TEMP 15.7
HIERARCH ESO ISS AMBI FWHM START 1.25
HIERARCH ESO ISS AMBI FWHM END 1.29