Exposure
ID
PIONI.2025-11-02T08:27:14.907_1
Header ID
PIONI.2025-11-02T08:27:14.907
Date updated
2025-11-02 08:36:03 UTC+0000
Release date
2025-11-02 08:27:14 UTC+0000
UTC Start
2025-11-02 08:27:14.907
UTC End
2025-11-02 08:28:06.107
MJD Start
60981.3522558725
MJD End
60981.352848465096
Exposure time (s)
51.2
Validation level
1
Tau 0: Coherence time (s)
0.004639
Ambient temperature (°C)
10.45
Seeing (arcsec)
0.74
Observation
ID
71093
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
52773
Name
HD_77402
RA
135.132675
DEC
-47.70112
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 74.9170 75.0710 88.3000 88.4000
A0-J2 116.8940 117.0430 63.5000 63.7000
A0-K0 124.3510 124.4140 43.8350 44.0570
G1-J2 58.0680 58.0750 30.8000 31.0000
G1-K0 88.1270 88.1190 7.3330 7.4850
J2-K0 41.8260 41.8590 333.7870 333.8860
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 60981.3522558725
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD_77402
RA 135.132675
DEC -47.70112
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 74.917
HIERARCH ESO ISS PBL12 END 75.071
HIERARCH ESO ISS PBLA12 START 88.3
HIERARCH ESO ISS PBLA12 END 88.4
HIERARCH ESO ISS PBL13 START 116.894
HIERARCH ESO ISS PBL13 END 117.043
HIERARCH ESO ISS PBLA13 START 63.5
HIERARCH ESO ISS PBLA13 END 63.7
HIERARCH ESO ISS PBL14 START 124.351
HIERARCH ESO ISS PBL14 END 124.414
HIERARCH ESO ISS PBLA14 START 43.835
HIERARCH ESO ISS PBLA14 END 44.057
HIERARCH ESO ISS PBL23 START 58.068
HIERARCH ESO ISS PBL23 END 58.075
HIERARCH ESO ISS PBLA23 START 30.8
HIERARCH ESO ISS PBLA23 END 31.0
HIERARCH ESO ISS PBL24 START 88.127
HIERARCH ESO ISS PBL24 END 88.119
HIERARCH ESO ISS PBLA24 START 7.333
HIERARCH ESO ISS PBLA24 END 7.485
HIERARCH ESO ISS PBL34 START 41.826
HIERARCH ESO ISS PBL34 END 41.859
HIERARCH ESO ISS PBLA34 START 333.787
HIERARCH ESO ISS PBLA34 END 333.886
HIERARCH ESO ISS AMBI TAU0 START 0.004627
HIERARCH ESO ISS AMBI TAU0 END 0.004651
HIERARCH ESO ISS AMBI TEMP 10.45
HIERARCH ESO ISS AMBI FWHM START 0.79
HIERARCH ESO ISS AMBI FWHM END 0.69