Exposure
ID
PIONI.2025-03-01T06:30:46.385_1
Header ID
PIONI.2025-03-01T06:30:46.385
Date updated
2025-03-01 06:35:43 UTC+0000
Release date
2026-03-01 06:35:43 UTC+0000
UTC Start
2025-03-01 06:30:46.385
UTC End
2025-03-01 06:31:11.985
MJD Start
60735.2713701995
MJD End
60735.2716664958
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.00635
Ambient temperature (°C)
15.28
Seeing (arcsec)
0.605
Observation
ID
64892
Category
science
Program ID
114.27FM.001
Program Title
CONSTRAINING THE COSMIC DANCE OF MASSIVE STARS IN TRIPLE SYSTEMS
Program Type
Normal
PI / COI
MAHY / SANA / FROST / TOONEN / BORDIER / LE BOUQUIN / SHENAR
Target
ID
48325
Name
alf_Vir
RA
201.296871
DEC
-11.16149
Instrument
Interferometer
VLTI
Instrument
PIONIER
Instrument mode
GRISM-H
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 89.7000 89.7290 112.6000 112.6000
A0-J2 125.3590 125.4390 89.8000 89.9000
A0-K0 121.6480 121.7420 67.5210 67.5690
G1-J2 54.9190 54.9570 50.7000 50.8000
G1-K0 86.1400 86.1650 20.0690 20.1430
J2-K0 47.9280 47.9230 344.3190 344.3730
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 114.27FM.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE FRINGE,OBJECT
MJD-OBS 60735.2713701995
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME alf_Vir
RA 201.296871
DEC -11.16149
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 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 K0
HIERARCH ESO DET DIT 0.0005
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 89.7
HIERARCH ESO ISS PBL12 END 89.729
HIERARCH ESO ISS PBLA12 START 112.6
HIERARCH ESO ISS PBLA12 END 112.6
HIERARCH ESO ISS PBL13 START 125.359
HIERARCH ESO ISS PBL13 END 125.439
HIERARCH ESO ISS PBLA13 START 89.8
HIERARCH ESO ISS PBLA13 END 89.9
HIERARCH ESO ISS PBL14 START 121.648
HIERARCH ESO ISS PBL14 END 121.742
HIERARCH ESO ISS PBLA14 START 67.521
HIERARCH ESO ISS PBLA14 END 67.569
HIERARCH ESO ISS PBL23 START 54.919
HIERARCH ESO ISS PBL23 END 54.957
HIERARCH ESO ISS PBLA23 START 50.7
HIERARCH ESO ISS PBLA23 END 50.8
HIERARCH ESO ISS PBL24 START 86.14
HIERARCH ESO ISS PBL24 END 86.165
HIERARCH ESO ISS PBLA24 START 20.069
HIERARCH ESO ISS PBLA24 END 20.143
HIERARCH ESO ISS PBL34 START 47.928
HIERARCH ESO ISS PBL34 END 47.923
HIERARCH ESO ISS PBLA34 START 344.319
HIERARCH ESO ISS PBLA34 END 344.373
HIERARCH ESO ISS AMBI TAU0 START 0.006812
HIERARCH ESO ISS AMBI TAU0 END 0.005888
HIERARCH ESO ISS AMBI TEMP 15.28
HIERARCH ESO ISS AMBI FWHM START 0.56
HIERARCH ESO ISS AMBI FWHM END 0.65