Exposure
ID
PIONI.2025-10-09T00:44:09.978_1
Header ID
PIONI.2025-10-09T00:44:09.978
Date updated
2025-10-09 00:50:54 UTC+0000
Release date
2025-10-09 00:44:09 UTC+0000
UTC Start
2025-10-09 00:44:09.978
UTC End
2025-10-09 00:44:48.378
MJD Start
60957.0306710382
MJD End
60957.03111548264
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.005036
Ambient temperature (°C)
12.87
Seeing (arcsec)
0.74
Observation
ID
70861
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
52574
Name
HD_155870
RA
258.919346
DEC
-33.26785
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 78.1480 78.1000 159.4000 159.6000
A0-J2 92.1480 91.9610 136.1000 136.4000
A0-K0 79.6000 79.3110 104.9690 105.1350
G1-J2 37.0090 36.8770 79.5000 79.6000
G1-K0 72.1860 72.0740 43.2270 43.2430
J2-K0 47.6920 47.6840 15.8720 15.9490
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 60957.0306710382
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD_155870
RA 258.919346
DEC -33.26785
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 78.148
HIERARCH ESO ISS PBL12 END 78.1
HIERARCH ESO ISS PBLA12 START 159.4
HIERARCH ESO ISS PBLA12 END 159.6
HIERARCH ESO ISS PBL13 START 92.148
HIERARCH ESO ISS PBL13 END 91.961
HIERARCH ESO ISS PBLA13 START 136.1
HIERARCH ESO ISS PBLA13 END 136.4
HIERARCH ESO ISS PBL14 START 79.6
HIERARCH ESO ISS PBL14 END 79.311
HIERARCH ESO ISS PBLA14 START 104.969
HIERARCH ESO ISS PBLA14 END 105.135
HIERARCH ESO ISS PBL23 START 37.009
HIERARCH ESO ISS PBL23 END 36.877
HIERARCH ESO ISS PBLA23 START 79.5
HIERARCH ESO ISS PBLA23 END 79.6
HIERARCH ESO ISS PBL24 START 72.186
HIERARCH ESO ISS PBL24 END 72.074
HIERARCH ESO ISS PBLA24 START 43.227
HIERARCH ESO ISS PBLA24 END 43.243
HIERARCH ESO ISS PBL34 START 47.692
HIERARCH ESO ISS PBL34 END 47.684
HIERARCH ESO ISS PBLA34 START 15.872
HIERARCH ESO ISS PBLA34 END 15.949
HIERARCH ESO ISS AMBI TAU0 START 0.005036
HIERARCH ESO ISS AMBI TAU0 END 0.005036
HIERARCH ESO ISS AMBI TEMP 12.87
HIERARCH ESO ISS AMBI FWHM START 0.74
HIERARCH ESO ISS AMBI FWHM END 0.74