Exposure
ID
PIONI.2025-05-30T03:30:32.525_1
Header ID
PIONI.2025-05-30T03:30:32.525
Date updated
2025-05-30 03:36:43 UTC+0000
Release date
2026-05-30 03:36:43 UTC+0000
UTC Start
2025-05-30 03:30:32.525
UTC End
2025-05-30 03:30:58.125
MJD Start
60825.1462097839
MJD End
60825.1465060802
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.00504
Ambient temperature (°C)
13.92
Seeing (arcsec)
0.695
Observation
ID
67632
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
50300
Name
E Hya
RA
222.569963
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 48.6570 48.6570 154.7000 154.8000
A0-J2 128.4920 128.4600 96.2000 96.3000
A0-J6 168.7570 168.7360 29.0050 29.0640
B5-J2 111.1140 111.0820 74.3000 74.4000
B5-J6 201.0890 201.0760 17.6770 17.7370
J2-J6 167.9240 167.9260 344.1340 344.2020
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 60825.1462097839
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME E Hya
RA 222.569963
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
HIERARCH ESO DET DIT 0.0005
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 48.657
HIERARCH ESO ISS PBL12 END 48.657
HIERARCH ESO ISS PBLA12 START 154.7
HIERARCH ESO ISS PBLA12 END 154.8
HIERARCH ESO ISS PBL13 START 128.492
HIERARCH ESO ISS PBL13 END 128.46
HIERARCH ESO ISS PBLA13 START 96.2
HIERARCH ESO ISS PBLA13 END 96.3
HIERARCH ESO ISS PBL14 START 168.757
HIERARCH ESO ISS PBL14 END 168.736
HIERARCH ESO ISS PBLA14 START 29.005
HIERARCH ESO ISS PBLA14 END 29.064
HIERARCH ESO ISS PBL23 START 111.114
HIERARCH ESO ISS PBL23 END 111.082
HIERARCH ESO ISS PBLA23 START 74.3
HIERARCH ESO ISS PBLA23 END 74.4
HIERARCH ESO ISS PBL24 START 201.089
HIERARCH ESO ISS PBL24 END 201.076
HIERARCH ESO ISS PBLA24 START 17.677
HIERARCH ESO ISS PBLA24 END 17.737
HIERARCH ESO ISS PBL34 START 167.924
HIERARCH ESO ISS PBL34 END 167.926
HIERARCH ESO ISS PBLA34 START 344.134
HIERARCH ESO ISS PBLA34 END 344.202
HIERARCH ESO ISS AMBI TAU0 START 0.005078
HIERARCH ESO ISS AMBI TAU0 END 0.005002
HIERARCH ESO ISS AMBI TEMP 13.92
HIERARCH ESO ISS AMBI FWHM START 0.69
HIERARCH ESO ISS AMBI FWHM END 0.7