Exposure
ID
PIONI.2025-02-21T08:55:00.658_1
Header ID
PIONI.2025-02-21T08:55:00.658
Date updated
2025-02-21 09:00:40 UTC+0000
Release date
2026-02-21 09:00:39 UTC+0000
UTC Start
2025-02-21 08:55:00.658
UTC End
2025-02-21 08:55:26.258
MJD Start
60727.3715353892
MJD End
60727.371831685494
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.007222
Ambient temperature (°C)
12.89
Seeing (arcsec)
0.86
Observation
ID
64776
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
48237
Name
E Hya
RA
222.569979
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 48.3360 48.3430 148.2000 148.3000
A0-J2 128.1960 128.2340 89.0000 89.1000
A0-J6 169.6920 169.6910 22.4550 22.5250
B5-J2 111.4690 111.4920 67.2000 67.2000
B5-J6 201.7960 201.7930 11.2490 11.3160
J2-J6 167.1230 167.1380 337.7210 337.7790
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 60727.3715353892
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME E Hya
RA 222.569979
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 48.336
HIERARCH ESO ISS PBL12 END 48.343
HIERARCH ESO ISS PBLA12 START 148.2
HIERARCH ESO ISS PBLA12 END 148.3
HIERARCH ESO ISS PBL13 START 128.196
HIERARCH ESO ISS PBL13 END 128.234
HIERARCH ESO ISS PBLA13 START 89.0
HIERARCH ESO ISS PBLA13 END 89.1
HIERARCH ESO ISS PBL14 START 169.692
HIERARCH ESO ISS PBL14 END 169.691
HIERARCH ESO ISS PBLA14 START 22.455
HIERARCH ESO ISS PBLA14 END 22.525
HIERARCH ESO ISS PBL23 START 111.469
HIERARCH ESO ISS PBL23 END 111.492
HIERARCH ESO ISS PBLA23 START 67.2
HIERARCH ESO ISS PBLA23 END 67.2
HIERARCH ESO ISS PBL24 START 201.796
HIERARCH ESO ISS PBL24 END 201.793
HIERARCH ESO ISS PBLA24 START 11.249
HIERARCH ESO ISS PBLA24 END 11.316
HIERARCH ESO ISS PBL34 START 167.123
HIERARCH ESO ISS PBL34 END 167.138
HIERARCH ESO ISS PBLA34 START 337.721
HIERARCH ESO ISS PBLA34 END 337.779
HIERARCH ESO ISS AMBI TAU0 START 0.007222
HIERARCH ESO ISS AMBI TAU0 END 0.007222
HIERARCH ESO ISS AMBI TEMP 12.89
HIERARCH ESO ISS AMBI FWHM START 0.86
HIERARCH ESO ISS AMBI FWHM END 0.86