Exposure
ID
PIONI.2025-10-29T05:51:49.423_1
Header ID
PIONI.2025-10-29T05:51:49.423
Date updated
2025-10-29 06:01:22 UTC+0000
Release date
2026-10-29 06:01:22 UTC+0000
UTC Start
2025-10-29 05:51:49.423
UTC End
2025-10-29 05:52:27.823
MJD Start
60977.2443220275
MJD End
60977.244766471944
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.005794
Ambient temperature (°C)
13.09
Seeing (arcsec)
0.49
Observation
ID
71043
Category
science
Program ID
116.292S.001
Program Title
CONSTRAINING THE COSMIC DANCE OF MASSIVE STARS IN TRIPLE SYSTEMS
Program Type
Normal
PI / COI
MAHY / SANA / LE BOUQUIN / FROST / BORDIER
Target
ID
52723
Name
HD_64760
RA
118.323943
DEC
-48.1029
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 57.0290 57.1770 64.7000 64.9000
A0-J2 101.2640 101.3770 36.8000 37.1000
A0-K0 118.2130 118.2510 19.3920 19.5940
G1-J2 57.3610 57.3650 9.2000 9.4000
G1-K0 87.9560 87.9620 351.9750 352.0920
J2-K0 37.2810 37.3230 324.8320 324.8900
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 116.292S.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE FRINGE,OBJECT
MJD-OBS 60977.2443220275
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD_64760
RA 118.323943
DEC -48.1029
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 0.00075
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 57.029
HIERARCH ESO ISS PBL12 END 57.177
HIERARCH ESO ISS PBLA12 START 64.7
HIERARCH ESO ISS PBLA12 END 64.9
HIERARCH ESO ISS PBL13 START 101.264
HIERARCH ESO ISS PBL13 END 101.377
HIERARCH ESO ISS PBLA13 START 36.8
HIERARCH ESO ISS PBLA13 END 37.1
HIERARCH ESO ISS PBL14 START 118.213
HIERARCH ESO ISS PBL14 END 118.251
HIERARCH ESO ISS PBLA14 START 19.392
HIERARCH ESO ISS PBLA14 END 19.594
HIERARCH ESO ISS PBL23 START 57.361
HIERARCH ESO ISS PBL23 END 57.365
HIERARCH ESO ISS PBLA23 START 9.2
HIERARCH ESO ISS PBLA23 END 9.4
HIERARCH ESO ISS PBL24 START 87.956
HIERARCH ESO ISS PBL24 END 87.962
HIERARCH ESO ISS PBLA24 START 351.975
HIERARCH ESO ISS PBLA24 END 352.092
HIERARCH ESO ISS PBL34 START 37.281
HIERARCH ESO ISS PBL34 END 37.323
HIERARCH ESO ISS PBLA34 START 324.832
HIERARCH ESO ISS PBLA34 END 324.89
HIERARCH ESO ISS AMBI TAU0 START 0.005794
HIERARCH ESO ISS AMBI TAU0 END 0.005794
HIERARCH ESO ISS AMBI TEMP 13.09
HIERARCH ESO ISS AMBI FWHM START 0.49
HIERARCH ESO ISS AMBI FWHM END 0.49