Exposure
ID
PIONI.2025-10-30T06:47:24.996_1
Header ID
PIONI.2025-10-30T06:47:24.996
Date updated
2025-10-30 06:55:40 UTC+0000
Release date
2025-10-30 06:47:24 UTC+0000
UTC Start
2025-10-30 06:47:24.996
UTC End
2025-10-30 06:49:07.396
MJD Start
60978.2829281972
MJD End
60978.28411338239
Exposure time (s)
102.4
Validation level
1
Tau 0: Coherence time (s)
0.007303500000000001
Ambient temperature (°C)
12.39
Seeing (arcsec)
0.38
Observation
ID
71048
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
52728
Name
HD_77402
RA
135.132699
DEC
-47.70113
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 55.4070 55.7570 62.9000 63.5000
A0-J2 99.7810 100.0390 34.8000 35.3000
A0-K0 117.5580 117.6420 17.5080 17.9830
G1-J2 57.2630 57.2700 7.6000 8.0000
G1-K0 88.0190 88.0370 350.8710 351.1440
J2-K0 37.0400 37.1400 324.4720 324.6020
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 60978.2829281972
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD_77402
RA 135.132699
DEC -47.70113
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 55.407
HIERARCH ESO ISS PBL12 END 55.757
HIERARCH ESO ISS PBLA12 START 62.9
HIERARCH ESO ISS PBLA12 END 63.5
HIERARCH ESO ISS PBL13 START 99.781
HIERARCH ESO ISS PBL13 END 100.039
HIERARCH ESO ISS PBLA13 START 34.8
HIERARCH ESO ISS PBLA13 END 35.3
HIERARCH ESO ISS PBL14 START 117.558
HIERARCH ESO ISS PBL14 END 117.642
HIERARCH ESO ISS PBLA14 START 17.508
HIERARCH ESO ISS PBLA14 END 17.983
HIERARCH ESO ISS PBL23 START 57.263
HIERARCH ESO ISS PBL23 END 57.27
HIERARCH ESO ISS PBLA23 START 7.6
HIERARCH ESO ISS PBLA23 END 8.0
HIERARCH ESO ISS PBL24 START 88.019
HIERARCH ESO ISS PBL24 END 88.037
HIERARCH ESO ISS PBLA24 START 350.871
HIERARCH ESO ISS PBLA24 END 351.144
HIERARCH ESO ISS PBL34 START 37.04
HIERARCH ESO ISS PBL34 END 37.14
HIERARCH ESO ISS PBLA34 START 324.472
HIERARCH ESO ISS PBLA34 END 324.602
HIERARCH ESO ISS AMBI TAU0 START 0.008566
HIERARCH ESO ISS AMBI TAU0 END 0.006041
HIERARCH ESO ISS AMBI TEMP 12.39
HIERARCH ESO ISS AMBI FWHM START 0.36
HIERARCH ESO ISS AMBI FWHM END 0.4