Exposure
ID
PIONI.2025-10-29T08:52:02.834_1
Header ID
PIONI.2025-10-29T08:52:02.834
Date updated
2025-10-29 09:01:15 UTC+0000
Release date
2025-10-29 08:52:02 UTC+0000
UTC Start
2025-10-29 08:52:02.834
UTC End
2025-10-29 08:53:19.634
MJD Start
60977.3694772497
MJD End
60977.37036613859
Exposure time (s)
76.8
Validation level
1
Tau 0: Coherence time (s)
0.0055335
Ambient temperature (°C)
12.77
Seeing (arcsec)
0.675
Observation
ID
71054
Category
calibrator
Program ID
116.292S.002
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
52734
Name
HD_37578
RA
84.838835
DEC
-4.77856
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 83.7130 83.5190 117.8000 117.9000
A0-J2 124.0620 123.8310 94.1000 94.1000
A0-K0 126.6390 126.5250 73.2880 73.3030
G1-J2 58.2010 58.1910 58.7000 58.7000
G1-K0 89.0720 89.1250 32.0430 32.1270
J2-K0 45.3100 45.3040 356.8860 357.0580
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 116.292S.002
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE FRINGE,OBJECT
MJD-OBS 60977.3694772497
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD_37578
RA 84.838835
DEC -4.77856
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 0.0015
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 83.713
HIERARCH ESO ISS PBL12 END 83.519
HIERARCH ESO ISS PBLA12 START 117.8
HIERARCH ESO ISS PBLA12 END 117.9
HIERARCH ESO ISS PBL13 START 124.062
HIERARCH ESO ISS PBL13 END 123.831
HIERARCH ESO ISS PBLA13 START 94.1
HIERARCH ESO ISS PBLA13 END 94.1
HIERARCH ESO ISS PBL14 START 126.639
HIERARCH ESO ISS PBL14 END 126.525
HIERARCH ESO ISS PBLA14 START 73.288
HIERARCH ESO ISS PBLA14 END 73.303
HIERARCH ESO ISS PBL23 START 58.201
HIERARCH ESO ISS PBL23 END 58.191
HIERARCH ESO ISS PBLA23 START 58.7
HIERARCH ESO ISS PBLA23 END 58.7
HIERARCH ESO ISS PBL24 START 89.072
HIERARCH ESO ISS PBL24 END 89.125
HIERARCH ESO ISS PBLA24 START 32.043
HIERARCH ESO ISS PBLA24 END 32.127
HIERARCH ESO ISS PBL34 START 45.31
HIERARCH ESO ISS PBL34 END 45.304
HIERARCH ESO ISS PBLA34 START 356.886
HIERARCH ESO ISS PBLA34 END 357.058
HIERARCH ESO ISS AMBI TAU0 START 0.005348
HIERARCH ESO ISS AMBI TAU0 END 0.005719
HIERARCH ESO ISS AMBI TEMP 12.77
HIERARCH ESO ISS AMBI FWHM START 0.66
HIERARCH ESO ISS AMBI FWHM END 0.69