Exposure
ID
PIONI.2025-10-29T05:52:39.840_1
Header ID
PIONI.2025-10-29T05:52:39.840
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 05:52:39.840
UTC End
2025-10-29 05:53:18.240
MJD Start
60977.2449055514
MJD End
60977.24534999584
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.005794
Ambient temperature (°C)
13.09
Seeing (arcsec)
0.53
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 57.1830 57.3340 64.9000 65.1000
A0-J2 101.3820 101.4970 37.1000 37.3000
A0-K0 118.2520 118.2920 19.6020 19.8080
G1-J2 57.3650 57.3690 9.4000 9.6000
G1-K0 87.9630 87.9700 352.0970 352.2170
J2-K0 37.3250 37.3680 324.8920 324.9510
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 60977.2449055514
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 57.183
HIERARCH ESO ISS PBL12 END 57.334
HIERARCH ESO ISS PBLA12 START 64.9
HIERARCH ESO ISS PBLA12 END 65.1
HIERARCH ESO ISS PBL13 START 101.382
HIERARCH ESO ISS PBL13 END 101.497
HIERARCH ESO ISS PBLA13 START 37.1
HIERARCH ESO ISS PBLA13 END 37.3
HIERARCH ESO ISS PBL14 START 118.252
HIERARCH ESO ISS PBL14 END 118.292
HIERARCH ESO ISS PBLA14 START 19.602
HIERARCH ESO ISS PBLA14 END 19.808
HIERARCH ESO ISS PBL23 START 57.365
HIERARCH ESO ISS PBL23 END 57.369
HIERARCH ESO ISS PBLA23 START 9.4
HIERARCH ESO ISS PBLA23 END 9.6
HIERARCH ESO ISS PBL24 START 87.963
HIERARCH ESO ISS PBL24 END 87.97
HIERARCH ESO ISS PBLA24 START 352.097
HIERARCH ESO ISS PBLA24 END 352.217
HIERARCH ESO ISS PBL34 START 37.325
HIERARCH ESO ISS PBL34 END 37.368
HIERARCH ESO ISS PBLA34 START 324.892
HIERARCH ESO ISS PBLA34 END 324.951
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 0.57