Exposure
ID
PIONI.2025-10-10T00:20:16.256_1
Header ID
PIONI.2025-10-10T00:20:16.256
Date updated
2025-10-10 00:30:53 UTC+0000
Release date
2025-10-10 00:20:16 UTC+0000
UTC Start
2025-10-10 00:20:16.256
UTC End
2025-10-10 00:20:54.656
MJD Start
60958.0140770366
MJD End
60958.01452148104
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.00151
Ambient temperature (°C)
12.62
Seeing (arcsec)
1.225
Observation
ID
70884
Category
calibrator
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
52594
Name
HD 155870
RA
258.919365
DEC
-33.26787
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 79.4200 79.3650 154.5000 154.7000
A0-J2 96.8190 96.6300 130.7000 130.9000
A0-K0 86.5150 86.2440 101.1160 101.2620
G1-J2 40.1270 40.0060 77.7000 77.8000
G1-K0 74.8090 74.7070 42.6750 42.7010
J2-K0 47.8640 47.8580 13.8990 13.9800
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 116.292S.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE FRINGE,OBJECT
MJD-OBS 60958.0140770366
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 155870
RA 258.919365
DEC -33.26787
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 79.42
HIERARCH ESO ISS PBL12 END 79.365
HIERARCH ESO ISS PBLA12 START 154.5
HIERARCH ESO ISS PBLA12 END 154.7
HIERARCH ESO ISS PBL13 START 96.819
HIERARCH ESO ISS PBL13 END 96.63
HIERARCH ESO ISS PBLA13 START 130.7
HIERARCH ESO ISS PBLA13 END 130.9
HIERARCH ESO ISS PBL14 START 86.515
HIERARCH ESO ISS PBL14 END 86.244
HIERARCH ESO ISS PBLA14 START 101.116
HIERARCH ESO ISS PBLA14 END 101.262
HIERARCH ESO ISS PBL23 START 40.127
HIERARCH ESO ISS PBL23 END 40.006
HIERARCH ESO ISS PBLA23 START 77.7
HIERARCH ESO ISS PBLA23 END 77.8
HIERARCH ESO ISS PBL24 START 74.809
HIERARCH ESO ISS PBL24 END 74.707
HIERARCH ESO ISS PBLA24 START 42.675
HIERARCH ESO ISS PBLA24 END 42.701
HIERARCH ESO ISS PBL34 START 47.864
HIERARCH ESO ISS PBL34 END 47.858
HIERARCH ESO ISS PBLA34 START 13.899
HIERARCH ESO ISS PBLA34 END 13.98
HIERARCH ESO ISS AMBI TAU0 START 0.00151
HIERARCH ESO ISS AMBI TAU0 END 0.00151
HIERARCH ESO ISS AMBI TEMP 12.62
HIERARCH ESO ISS AMBI FWHM START 1.24
HIERARCH ESO ISS AMBI FWHM END 1.21