Exposure
ID
PIONI.2025-12-03T03:58:49.912_1
Header ID
PIONI.2025-12-03T03:58:49.912
Date updated
2025-12-03 04:06:01 UTC+0000
Release date
2026-12-03 04:06:01 UTC+0000
UTC Start
2025-12-03 03:58:49.912
UTC End
2025-12-03 03:59:15.512
MJD Start
61012.1658554641
MJD End
61012.1661517604
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.004528
Ambient temperature (°C)
14.14
Seeing (arcsec)
0.79
Observation
ID
71956
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
53421
Name
HD_34816
RA
79.89269
DEC
-13.17682
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 88.6450 88.6880 111.7000 111.7000
A0-J2 123.1920 123.2910 88.5000 88.6000
A0-K0 119.7810 119.8860 65.6540 65.7110
G1-J2 54.3910 54.4310 48.6000 48.7000
G1-K0 86.4220 86.4440 18.0450 18.1220
J2-K0 48.2760 48.2720 343.1150 343.1670
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 61012.1658554641
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD_34816
RA 79.89269
DEC -13.17682
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 0.0005
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 88.645
HIERARCH ESO ISS PBL12 END 88.688
HIERARCH ESO ISS PBLA12 START 111.7
HIERARCH ESO ISS PBLA12 END 111.7
HIERARCH ESO ISS PBL13 START 123.192
HIERARCH ESO ISS PBL13 END 123.291
HIERARCH ESO ISS PBLA13 START 88.5
HIERARCH ESO ISS PBLA13 END 88.6
HIERARCH ESO ISS PBL14 START 119.781
HIERARCH ESO ISS PBL14 END 119.886
HIERARCH ESO ISS PBLA14 START 65.654
HIERARCH ESO ISS PBLA14 END 65.711
HIERARCH ESO ISS PBL23 START 54.391
HIERARCH ESO ISS PBL23 END 54.431
HIERARCH ESO ISS PBLA23 START 48.6
HIERARCH ESO ISS PBLA23 END 48.7
HIERARCH ESO ISS PBL24 START 86.422
HIERARCH ESO ISS PBL24 END 86.444
HIERARCH ESO ISS PBLA24 START 18.045
HIERARCH ESO ISS PBLA24 END 18.122
HIERARCH ESO ISS PBL34 START 48.276
HIERARCH ESO ISS PBL34 END 48.272
HIERARCH ESO ISS PBLA34 START 343.115
HIERARCH ESO ISS PBLA34 END 343.167
HIERARCH ESO ISS AMBI TAU0 START 0.004528
HIERARCH ESO ISS AMBI TAU0 END 0.004528
HIERARCH ESO ISS AMBI TEMP 14.14
HIERARCH ESO ISS AMBI FWHM START 0.79
HIERARCH ESO ISS AMBI FWHM END 0.79