Exposure
ID
PIONI.2025-02-21T08:55:45.745_1
Header ID
PIONI.2025-02-21T08:55:45.745
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 08:55:45.744
UTC End
2025-02-21 08:56:11.344
MJD Start
60727.3720572251
MJD End
60727.372353521394
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.006572
Ambient temperature (°C)
12.85
Seeing (arcsec)
0.9850000000000001
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 48.3450 48.3510 148.3000 148.4000
A0-J2 128.2430 128.2800 89.1000 89.2000
A0-J6 169.6910 169.6910 22.5360 22.6060
B5-J2 111.4970 111.5190 67.2000 67.3000
B5-J6 201.7920 201.7890 11.3260 11.3930
J2-J6 167.1420 167.1560 337.7870 337.8460
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 60727.3720572251
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 48.345
HIERARCH ESO ISS PBL12 END 48.351
HIERARCH ESO ISS PBLA12 START 148.3
HIERARCH ESO ISS PBLA12 END 148.4
HIERARCH ESO ISS PBL13 START 128.243
HIERARCH ESO ISS PBL13 END 128.28
HIERARCH ESO ISS PBLA13 START 89.1
HIERARCH ESO ISS PBLA13 END 89.2
HIERARCH ESO ISS PBL14 START 169.691
HIERARCH ESO ISS PBL14 END 169.691
HIERARCH ESO ISS PBLA14 START 22.536
HIERARCH ESO ISS PBLA14 END 22.606
HIERARCH ESO ISS PBL23 START 111.497
HIERARCH ESO ISS PBL23 END 111.519
HIERARCH ESO ISS PBLA23 START 67.2
HIERARCH ESO ISS PBLA23 END 67.3
HIERARCH ESO ISS PBL24 START 201.792
HIERARCH ESO ISS PBL24 END 201.789
HIERARCH ESO ISS PBLA24 START 11.326
HIERARCH ESO ISS PBLA24 END 11.393
HIERARCH ESO ISS PBL34 START 167.142
HIERARCH ESO ISS PBL34 END 167.156
HIERARCH ESO ISS PBLA34 START 337.787
HIERARCH ESO ISS PBLA34 END 337.846
HIERARCH ESO ISS AMBI TAU0 START 0.007222
HIERARCH ESO ISS AMBI TAU0 END 0.005922
HIERARCH ESO ISS AMBI TEMP 12.85
HIERARCH ESO ISS AMBI FWHM START 0.86
HIERARCH ESO ISS AMBI FWHM END 1.11