Exposure
ID
PIONI.2025-10-29T05:38:34.460_1
Header ID
PIONI.2025-10-29T05:38:34.460
Date updated
2025-10-29 05:46:30 UTC+0000
Release date
2025-10-29 05:38:34 UTC+0000
UTC Start
2025-10-29 05:38:34.460
UTC End
2025-10-29 05:39:12.860
MJD Start
60977.2351210606
MJD End
60977.23556550504
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.0078375
Ambient temperature (°C)
13.18
Seeing (arcsec)
0.41500000000000004
Observation
ID
71042
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
52722
Name
HD_66940
RA
120.871475
DEC
-49.4984
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 53.7010 53.8380 56.2000 56.5000
A0-J2 99.9510 100.0420 29.2000 29.5000
A0-K0 118.4330 118.4590 13.2880 13.4920
G1-J2 57.5180 57.5200 4.1000 4.3000
G1-K0 87.1460 87.1570 348.4870 348.6040
J2-K0 35.3540 35.4000 322.4410 322.4960
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 60977.2351210606
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD_66940
RA 120.871475
DEC -49.4984
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 53.701
HIERARCH ESO ISS PBL12 END 53.838
HIERARCH ESO ISS PBLA12 START 56.2
HIERARCH ESO ISS PBLA12 END 56.5
HIERARCH ESO ISS PBL13 START 99.951
HIERARCH ESO ISS PBL13 END 100.042
HIERARCH ESO ISS PBLA13 START 29.2
HIERARCH ESO ISS PBLA13 END 29.5
HIERARCH ESO ISS PBL14 START 118.433
HIERARCH ESO ISS PBL14 END 118.459
HIERARCH ESO ISS PBLA14 START 13.288
HIERARCH ESO ISS PBLA14 END 13.492
HIERARCH ESO ISS PBL23 START 57.518
HIERARCH ESO ISS PBL23 END 57.52
HIERARCH ESO ISS PBLA23 START 4.1
HIERARCH ESO ISS PBLA23 END 4.3
HIERARCH ESO ISS PBL24 START 87.146
HIERARCH ESO ISS PBL24 END 87.157
HIERARCH ESO ISS PBLA24 START 348.487
HIERARCH ESO ISS PBLA24 END 348.604
HIERARCH ESO ISS PBL34 START 35.354
HIERARCH ESO ISS PBL34 END 35.4
HIERARCH ESO ISS PBLA34 START 322.441
HIERARCH ESO ISS PBLA34 END 322.496
HIERARCH ESO ISS AMBI TAU0 START 0.007881
HIERARCH ESO ISS AMBI TAU0 END 0.007794
HIERARCH ESO ISS AMBI TEMP 13.18
HIERARCH ESO ISS AMBI FWHM START 0.43
HIERARCH ESO ISS AMBI FWHM END 0.4