Exposure
ID
PIONI.2024-11-25T03:08:46.199_1
Header ID
PIONI.2024-11-25T03:08:46.199
Date updated
2024-11-25 03:15:49 UTC+0000
Release date
2025-11-25 03:15:49 UTC+0000
UTC Start
2024-11-25 03:08:46.199
UTC End
2024-11-25 03:09:11.799
MJD Start
60639.1310902713
MJD End
60639.1313865676
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.006658
Ambient temperature (°C)
16.17
Seeing (arcsec)
0.63
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 48.0180 48.0310 143.4000 143.3000
A0-J2 86.7420 86.9930 90.4000 90.4000
A0-J6 143.6740 143.6760 0.3750 0.4770
B5-J2 69.3390 69.5320 56.9000 57.0000
B5-J6 184.2890 184.2570 351.3480 351.4230
J2-J6 167.8800 167.8870 329.2710 329.2750
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 60639.1310902713
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 48.018
HIERARCH ESO ISS PBL12 END 48.031
HIERARCH ESO ISS PBLA12 START 143.4
HIERARCH ESO ISS PBLA12 END 143.3
HIERARCH ESO ISS PBL13 START 86.742
HIERARCH ESO ISS PBL13 END 86.993
HIERARCH ESO ISS PBLA13 START 90.4
HIERARCH ESO ISS PBLA13 END 90.4
HIERARCH ESO ISS PBL14 START 143.674
HIERARCH ESO ISS PBL14 END 143.676
HIERARCH ESO ISS PBLA14 START 0.375
HIERARCH ESO ISS PBLA14 END 0.477
HIERARCH ESO ISS PBL23 START 69.339
HIERARCH ESO ISS PBL23 END 69.532
HIERARCH ESO ISS PBLA23 START 56.9
HIERARCH ESO ISS PBLA23 END 57.0
HIERARCH ESO ISS PBL24 START 184.289
HIERARCH ESO ISS PBL24 END 184.257
HIERARCH ESO ISS PBLA24 START 351.348
HIERARCH ESO ISS PBLA24 END 351.423
HIERARCH ESO ISS PBL34 START 167.88
HIERARCH ESO ISS PBL34 END 167.887
HIERARCH ESO ISS PBLA34 START 329.271
HIERARCH ESO ISS PBLA34 END 329.275
HIERARCH ESO ISS AMBI TAU0 START 0.006658
HIERARCH ESO ISS AMBI TAU0 END 0.006658
HIERARCH ESO ISS AMBI TEMP 16.17
HIERARCH ESO ISS AMBI FWHM START 0.63
HIERARCH ESO ISS AMBI FWHM END 0.63