Exposure
ID
PIONI.2025-11-02T08:24:05.452_1
Header ID
PIONI.2025-11-02T08:24:05.452
Date updated
2025-11-02 08:30:42 UTC+0000
Release date
2025-11-02 08:24:05 UTC+0000
UTC Start
2025-11-02 08:24:05.452
UTC End
2025-11-02 08:24:56.652
MJD Start
60981.3500630991
MJD End
60981.35065569169
Exposure time (s)
51.2
Validation level
1
Tau 0: Coherence time (s)
0.004678
Ambient temperature (°C)
10.46
Seeing (arcsec)
0.73
Observation
ID
71093
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
52773
Name
HD_77402
RA
135.132675
DEC
-47.70112
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 74.4420 74.5980 87.7000 87.8000
A0-J2 116.4350 116.5840 62.8000 63.0000
A0-K0 124.1550 124.2190 43.1580 43.3750
G1-J2 58.0470 58.0540 30.2000 30.4000
G1-K0 88.1500 88.1430 6.8730 7.0200
J2-K0 41.7230 41.7560 333.4880 333.5830
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 60981.3500630991
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD_77402
RA 135.132675
DEC -47.70112
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 0.001
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 74.442
HIERARCH ESO ISS PBL12 END 74.598
HIERARCH ESO ISS PBLA12 START 87.7
HIERARCH ESO ISS PBLA12 END 87.8
HIERARCH ESO ISS PBL13 START 116.435
HIERARCH ESO ISS PBL13 END 116.584
HIERARCH ESO ISS PBLA13 START 62.8
HIERARCH ESO ISS PBLA13 END 63.0
HIERARCH ESO ISS PBL14 START 124.155
HIERARCH ESO ISS PBL14 END 124.219
HIERARCH ESO ISS PBLA14 START 43.158
HIERARCH ESO ISS PBLA14 END 43.375
HIERARCH ESO ISS PBL23 START 58.047
HIERARCH ESO ISS PBL23 END 58.054
HIERARCH ESO ISS PBLA23 START 30.2
HIERARCH ESO ISS PBLA23 END 30.4
HIERARCH ESO ISS PBL24 START 88.15
HIERARCH ESO ISS PBL24 END 88.143
HIERARCH ESO ISS PBLA24 START 6.873
HIERARCH ESO ISS PBLA24 END 7.02
HIERARCH ESO ISS PBL34 START 41.723
HIERARCH ESO ISS PBL34 END 41.756
HIERARCH ESO ISS PBLA34 START 333.488
HIERARCH ESO ISS PBLA34 END 333.583
HIERARCH ESO ISS AMBI TAU0 START 0.004834
HIERARCH ESO ISS AMBI TAU0 END 0.004522
HIERARCH ESO ISS AMBI TEMP 10.46
HIERARCH ESO ISS AMBI FWHM START 0.73
HIERARCH ESO ISS AMBI FWHM END 0.73