Exposure
ID
PIONI.2025-10-30T07:26:44.677_1
Header ID
PIONI.2025-10-30T07:26:44.677
Date updated
2025-10-30 07:35:45 UTC+0000
Release date
2025-10-30 07:26:44 UTC+0000
UTC Start
2025-10-30 07:26:44.677
UTC End
2025-10-30 07:28:27.077
MJD Start
60978.3102393229
MJD End
60978.31142450809
Exposure time (s)
102.4
Validation level
1
Tau 0: Coherence time (s)
0.00554
Ambient temperature (°C)
12.1
Seeing (arcsec)
0.6699999999999999
Observation
ID
71050
Category
calibrator
Program ID
116.292S.002
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
52730
Name
HD_77130
RA
134.682958
DEC
-48.78175
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 63.4270 63.7610 72.5000 72.9000
A0-J2 106.8830 107.1660 45.9000 46.4000
A0-K0 120.5170 120.6250 27.5460 28.0000
G1-J2 57.6650 57.6780 16.3000 16.7000
G1-K0 87.8930 87.8990 356.9070 357.1860
J2-K0 38.6220 38.7090 327.1120 327.2680
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 116.292S.002
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE FRINGE,OBJECT
MJD-OBS 60978.3102393229
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD_77130
RA 134.682958
DEC -48.78175
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 0.002
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 63.427
HIERARCH ESO ISS PBL12 END 63.761
HIERARCH ESO ISS PBLA12 START 72.5
HIERARCH ESO ISS PBLA12 END 72.9
HIERARCH ESO ISS PBL13 START 106.883
HIERARCH ESO ISS PBL13 END 107.166
HIERARCH ESO ISS PBLA13 START 45.9
HIERARCH ESO ISS PBLA13 END 46.4
HIERARCH ESO ISS PBL14 START 120.517
HIERARCH ESO ISS PBL14 END 120.625
HIERARCH ESO ISS PBLA14 START 27.546
HIERARCH ESO ISS PBLA14 END 28.0
HIERARCH ESO ISS PBL23 START 57.665
HIERARCH ESO ISS PBL23 END 57.678
HIERARCH ESO ISS PBLA23 START 16.3
HIERARCH ESO ISS PBLA23 END 16.7
HIERARCH ESO ISS PBL24 START 87.893
HIERARCH ESO ISS PBL24 END 87.899
HIERARCH ESO ISS PBLA24 START 356.907
HIERARCH ESO ISS PBLA24 END 357.186
HIERARCH ESO ISS PBL34 START 38.622
HIERARCH ESO ISS PBL34 END 38.709
HIERARCH ESO ISS PBLA34 START 327.112
HIERARCH ESO ISS PBLA34 END 327.268
HIERARCH ESO ISS AMBI TAU0 START 0.005383
HIERARCH ESO ISS AMBI TAU0 END 0.005697
HIERARCH ESO ISS AMBI TEMP 12.1
HIERARCH ESO ISS AMBI FWHM START 0.74
HIERARCH ESO ISS AMBI FWHM END 0.6