Exposure
ID
PIONI.2025-04-24T09:29:18.065_1
Header ID
PIONI.2025-04-24T09:29:18.065
Date updated
2025-04-24 09:35:40 UTC+0000
Release date
2025-04-24 09:29:18 UTC+0000
UTC Start
2025-04-24 09:29:18.065
UTC End
2025-04-24 09:30:09.265
MJD Start
60789.395347971
MJD End
60789.3959405636
Exposure time (s)
51.2
Validation level
1
Tau 0: Coherence time (s)
0.008136000000000001
Ambient temperature (°C)
12.25
Seeing (arcsec)
0.485
Observation
ID
66967
Category
calibrator
Program ID
115.283G.002
Program Title
CHARACTERIZING WIDE COMPANIONS OF WOLF-RAYET STARS
Program Type
Normal
PI / COI
DESHMUKH / SANA / BORDIER / MÉRAND
Target
ID
49785
Name
HD 159488
RA
264.117449
DEC
-34.60407
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 89.2170 89.1720 127.5000 127.7000
A0-J2 124.3570 124.2320 104.6000 104.7000
A0-K0 120.8160 120.6620 81.9950 82.1260
G1-J2 54.7090 54.6420 65.1000 65.2000
G1-K0 86.3650 86.3090 34.4860 34.5740
J2-K0 48.1360 48.1360 359.1510 359.2620
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.283G.002
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE FRINGE,OBJECT
MJD-OBS 60789.395347971
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 159488
RA 264.117449
DEC -34.60407
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 89.217
HIERARCH ESO ISS PBL12 END 89.172
HIERARCH ESO ISS PBLA12 START 127.5
HIERARCH ESO ISS PBLA12 END 127.7
HIERARCH ESO ISS PBL13 START 124.357
HIERARCH ESO ISS PBL13 END 124.232
HIERARCH ESO ISS PBLA13 START 104.6
HIERARCH ESO ISS PBLA13 END 104.7
HIERARCH ESO ISS PBL14 START 120.816
HIERARCH ESO ISS PBL14 END 120.662
HIERARCH ESO ISS PBLA14 START 81.995
HIERARCH ESO ISS PBLA14 END 82.126
HIERARCH ESO ISS PBL23 START 54.709
HIERARCH ESO ISS PBL23 END 54.642
HIERARCH ESO ISS PBLA23 START 65.1
HIERARCH ESO ISS PBLA23 END 65.2
HIERARCH ESO ISS PBL24 START 86.365
HIERARCH ESO ISS PBL24 END 86.309
HIERARCH ESO ISS PBLA24 START 34.486
HIERARCH ESO ISS PBLA24 END 34.574
HIERARCH ESO ISS PBL34 START 48.136
HIERARCH ESO ISS PBL34 END 48.136
HIERARCH ESO ISS PBLA34 START 359.151
HIERARCH ESO ISS PBLA34 END 359.262
HIERARCH ESO ISS AMBI TAU0 START 0.007577
HIERARCH ESO ISS AMBI TAU0 END 0.008695
HIERARCH ESO ISS AMBI TEMP 12.25
HIERARCH ESO ISS AMBI FWHM START 0.49
HIERARCH ESO ISS AMBI FWHM END 0.48