Exposure
ID
PIONI.2025-01-09T08:47:24.575_1
Header ID
PIONI.2025-01-09T08:47:24.575
Date updated
2025-01-09 08:55:49 UTC+0000
Release date
2026-01-09 08:55:49 UTC+0000
UTC Start
2025-01-09 08:47:24.576
UTC End
2025-01-09 08:47:50.176
MJD Start
60684.3662566631
MJD End
60684.3665529594
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.0101615
Ambient temperature (°C)
14.24
Seeing (arcsec)
0.62
Observation
ID
63146
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
47048
Name
E Hya
RA
222.569986
DEC
-27.96071
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 41.8220 41.8600 137.5000 137.5000
A0-J2 91.3210 91.5090 62.5000 62.6000
A0-J6 168.3800 168.3790 358.3670 358.4540
B5-J2 90.0500 90.1410 35.8000 36.0000
B5-J6 201.8510 201.8520 350.5710 350.6380
J2-J6 152.5160 152.6050 325.7810 325.8020
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 60684.3662566631
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME E Hya
RA 222.569986
DEC -27.96071
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 41.822
HIERARCH ESO ISS PBL12 END 41.86
HIERARCH ESO ISS PBLA12 START 137.5
HIERARCH ESO ISS PBLA12 END 137.5
HIERARCH ESO ISS PBL13 START 91.321
HIERARCH ESO ISS PBL13 END 91.509
HIERARCH ESO ISS PBLA13 START 62.5
HIERARCH ESO ISS PBLA13 END 62.6
HIERARCH ESO ISS PBL14 START 168.38
HIERARCH ESO ISS PBL14 END 168.379
HIERARCH ESO ISS PBLA14 START 358.367
HIERARCH ESO ISS PBLA14 END 358.454
HIERARCH ESO ISS PBL23 START 90.05
HIERARCH ESO ISS PBL23 END 90.141
HIERARCH ESO ISS PBLA23 START 35.8
HIERARCH ESO ISS PBLA23 END 36.0
HIERARCH ESO ISS PBL24 START 201.851
HIERARCH ESO ISS PBL24 END 201.852
HIERARCH ESO ISS PBLA24 START 350.571
HIERARCH ESO ISS PBLA24 END 350.638
HIERARCH ESO ISS PBL34 START 152.516
HIERARCH ESO ISS PBL34 END 152.605
HIERARCH ESO ISS PBLA34 START 325.781
HIERARCH ESO ISS PBLA34 END 325.802
HIERARCH ESO ISS AMBI TAU0 START 0.010254
HIERARCH ESO ISS AMBI TAU0 END 0.010069
HIERARCH ESO ISS AMBI TEMP 14.24
HIERARCH ESO ISS AMBI FWHM START 0.62
HIERARCH ESO ISS AMBI FWHM END 0.62