Exposure
ID
PIONI.2025-10-09T01:40:31.016_1
Header ID
PIONI.2025-10-09T01:40:31.016
Date updated
2025-10-09 01:45:52 UTC+0000
Release date
2026-10-09 01:45:52 UTC+0000
UTC Start
2025-10-09 01:40:31.017
UTC End
2025-10-09 01:41:09.417
MJD Start
60957.0698034344
MJD End
60957.070247878844
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.003033
Ambient temperature (°C)
13.34
Seeing (arcsec)
0.94
Observation
ID
70866
Category
science
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
52578
Name
sig Aql
RA
294.797418
DEC
5.39775
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 62.1230 61.9180 118.8000 118.9000
A0-J2 100.7570 100.4690 88.9000 88.9000
A0-K0 115.0200 114.8340 67.8620 67.8020
G1-J2 56.2350 56.1900 55.5000 55.4000
G1-K0 89.9630 89.9820 35.4070 35.4020
J2-K0 41.8480 41.8610 7.9600 8.0570
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 116.292S.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE FRINGE,OBJECT
MJD-OBS 60957.0698034344
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME sig Aql
RA 294.797418
DEC 5.39775
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 62.123
HIERARCH ESO ISS PBL12 END 61.918
HIERARCH ESO ISS PBLA12 START 118.8
HIERARCH ESO ISS PBLA12 END 118.9
HIERARCH ESO ISS PBL13 START 100.757
HIERARCH ESO ISS PBL13 END 100.469
HIERARCH ESO ISS PBLA13 START 88.9
HIERARCH ESO ISS PBLA13 END 88.9
HIERARCH ESO ISS PBL14 START 115.02
HIERARCH ESO ISS PBL14 END 114.834
HIERARCH ESO ISS PBLA14 START 67.862
HIERARCH ESO ISS PBLA14 END 67.802
HIERARCH ESO ISS PBL23 START 56.235
HIERARCH ESO ISS PBL23 END 56.19
HIERARCH ESO ISS PBLA23 START 55.5
HIERARCH ESO ISS PBLA23 END 55.4
HIERARCH ESO ISS PBL24 START 89.963
HIERARCH ESO ISS PBL24 END 89.982
HIERARCH ESO ISS PBLA24 START 35.407
HIERARCH ESO ISS PBLA24 END 35.402
HIERARCH ESO ISS PBL34 START 41.848
HIERARCH ESO ISS PBL34 END 41.861
HIERARCH ESO ISS PBLA34 START 7.96
HIERARCH ESO ISS PBLA34 END 8.057
HIERARCH ESO ISS AMBI TAU0 START 0.003033
HIERARCH ESO ISS AMBI TAU0 END 0.003033
HIERARCH ESO ISS AMBI TEMP 13.34
HIERARCH ESO ISS AMBI FWHM START 0.94
HIERARCH ESO ISS AMBI FWHM END 0.94