Exposure
ID
PIONI.2024-11-25T02:54:22.549_1
Header ID
PIONI.2024-11-25T02:54:22.549
Date updated
2024-11-25 03:00:45 UTC+0000
Release date
2025-11-25 03:00:45 UTC+0000
UTC Start
2024-11-25 02:54:22.549
UTC End
2024-11-25 02:54:48.149
MJD Start
60639.1210943158
MJD End
60639.1213906121
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.0081035
Ambient temperature (°C)
16.23
Seeing (arcsec)
0.635
Observation
ID
62016
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
46119
Name
HD 40657
RA
90.013457
DEC
-3.07467
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 47.6910 47.7060 143.7000 143.7000
A0-J2 80.5500 80.8150 90.3000 90.3000
A0-J6 143.7590 143.7500 357.9180 358.0200
B5-J2 64.6940 64.8880 53.9000 54.1000
B5-J6 185.1380 185.1000 349.5860 349.6590
J2-J6 167.6160 167.6310 329.2290 329.2290
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 60639.1210943158
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 40657
RA 90.013457
DEC -3.07467
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 47.691
HIERARCH ESO ISS PBL12 END 47.706
HIERARCH ESO ISS PBLA12 START 143.7
HIERARCH ESO ISS PBLA12 END 143.7
HIERARCH ESO ISS PBL13 START 80.55
HIERARCH ESO ISS PBL13 END 80.815
HIERARCH ESO ISS PBLA13 START 90.3
HIERARCH ESO ISS PBLA13 END 90.3
HIERARCH ESO ISS PBL14 START 143.759
HIERARCH ESO ISS PBL14 END 143.75
HIERARCH ESO ISS PBLA14 START 357.918
HIERARCH ESO ISS PBLA14 END 358.02
HIERARCH ESO ISS PBL23 START 64.694
HIERARCH ESO ISS PBL23 END 64.888
HIERARCH ESO ISS PBLA23 START 53.9
HIERARCH ESO ISS PBLA23 END 54.1
HIERARCH ESO ISS PBL24 START 185.138
HIERARCH ESO ISS PBL24 END 185.1
HIERARCH ESO ISS PBLA24 START 349.586
HIERARCH ESO ISS PBLA24 END 349.659
HIERARCH ESO ISS PBL34 START 167.616
HIERARCH ESO ISS PBL34 END 167.631
HIERARCH ESO ISS PBLA34 START 329.229
HIERARCH ESO ISS PBLA34 END 329.229
HIERARCH ESO ISS AMBI TAU0 START 0.008256
HIERARCH ESO ISS AMBI TAU0 END 0.007951
HIERARCH ESO ISS AMBI TEMP 16.23
HIERARCH ESO ISS AMBI FWHM START 0.62
HIERARCH ESO ISS AMBI FWHM END 0.65