Exposure
ID
PIONI.2025-01-09T08:35:26.863_1
Header ID
PIONI.2025-01-09T08:35:26.863
Date updated
2025-01-09 08:40:51 UTC+0000
Release date
2026-01-09 08:40:50 UTC+0000
UTC Start
2025-01-09 08:35:26.862
UTC End
2025-01-09 08:35:52.462
MJD Start
60684.3579497961
MJD End
60684.35824609239
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.0087275
Ambient temperature (°C)
14.2
Seeing (arcsec)
0.585
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 41.0240 41.0650 137.2000 137.3000
A0-J2 87.5550 87.7450 59.7000 59.9000
A0-J6 168.4220 168.4200 356.6300 356.7170
B5-J2 88.2900 88.3770 32.7000 32.9000
B5-J6 201.8140 201.8160 349.2200 349.2870
J2-J6 150.6270 150.7250 325.4130 325.4300
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 60684.3579497961
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 41.024
HIERARCH ESO ISS PBL12 END 41.065
HIERARCH ESO ISS PBLA12 START 137.2
HIERARCH ESO ISS PBLA12 END 137.3
HIERARCH ESO ISS PBL13 START 87.555
HIERARCH ESO ISS PBL13 END 87.745
HIERARCH ESO ISS PBLA13 START 59.7
HIERARCH ESO ISS PBLA13 END 59.9
HIERARCH ESO ISS PBL14 START 168.422
HIERARCH ESO ISS PBL14 END 168.42
HIERARCH ESO ISS PBLA14 START 356.63
HIERARCH ESO ISS PBLA14 END 356.717
HIERARCH ESO ISS PBL23 START 88.29
HIERARCH ESO ISS PBL23 END 88.377
HIERARCH ESO ISS PBLA23 START 32.7
HIERARCH ESO ISS PBLA23 END 32.9
HIERARCH ESO ISS PBL24 START 201.814
HIERARCH ESO ISS PBL24 END 201.816
HIERARCH ESO ISS PBLA24 START 349.22
HIERARCH ESO ISS PBLA24 END 349.287
HIERARCH ESO ISS PBL34 START 150.627
HIERARCH ESO ISS PBL34 END 150.725
HIERARCH ESO ISS PBLA34 START 325.413
HIERARCH ESO ISS PBLA34 END 325.43
HIERARCH ESO ISS AMBI TAU0 START 0.00939
HIERARCH ESO ISS AMBI TAU0 END 0.008065
HIERARCH ESO ISS AMBI TEMP 14.2
HIERARCH ESO ISS AMBI FWHM START 0.56
HIERARCH ESO ISS AMBI FWHM END 0.61