Exposure
ID
PIONI.2024-11-25T02:52:30.221_1
Header ID
PIONI.2024-11-25T02:52:30.221
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 02:52:30.222
UTC End
2024-11-25 02:52:55.822
MJD Start
60639.1197942328
MJD End
60639.1200905291
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.008635
Ambient temperature (°C)
16.34
Seeing (arcsec)
0.61
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 47.6440 47.6590 143.7000 143.7000
A0-J2 79.7240 79.9900 90.2000 90.2000
A0-J6 143.7870 143.7780 357.6000 357.7020
B5-J2 64.0920 64.2860 53.5000 53.7000
B5-J6 185.2580 185.2190 349.3620 349.4340
J2-J6 167.5690 167.5850 329.2310 329.2300
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 60639.1197942328
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 47.644
HIERARCH ESO ISS PBL12 END 47.659
HIERARCH ESO ISS PBLA12 START 143.7
HIERARCH ESO ISS PBLA12 END 143.7
HIERARCH ESO ISS PBL13 START 79.724
HIERARCH ESO ISS PBL13 END 79.99
HIERARCH ESO ISS PBLA13 START 90.2
HIERARCH ESO ISS PBLA13 END 90.2
HIERARCH ESO ISS PBL14 START 143.787
HIERARCH ESO ISS PBL14 END 143.778
HIERARCH ESO ISS PBLA14 START 357.6
HIERARCH ESO ISS PBLA14 END 357.702
HIERARCH ESO ISS PBL23 START 64.092
HIERARCH ESO ISS PBL23 END 64.286
HIERARCH ESO ISS PBLA23 START 53.5
HIERARCH ESO ISS PBLA23 END 53.7
HIERARCH ESO ISS PBL24 START 185.258
HIERARCH ESO ISS PBL24 END 185.219
HIERARCH ESO ISS PBLA24 START 349.362
HIERARCH ESO ISS PBLA24 END 349.434
HIERARCH ESO ISS PBL34 START 167.569
HIERARCH ESO ISS PBL34 END 167.585
HIERARCH ESO ISS PBLA34 START 329.231
HIERARCH ESO ISS PBLA34 END 329.23
HIERARCH ESO ISS AMBI TAU0 START 0.009014
HIERARCH ESO ISS AMBI TAU0 END 0.008256
HIERARCH ESO ISS AMBI TEMP 16.34
HIERARCH ESO ISS AMBI FWHM START 0.6
HIERARCH ESO ISS AMBI FWHM END 0.62