Exposure
ID
PIONI.2025-11-02T08:23:02.480_1
Header ID
PIONI.2025-11-02T08:23:02.480
Date updated
2025-11-02 08:30:42 UTC+0000
Release date
2025-11-02 08:23:02 UTC+0000
UTC Start
2025-11-02 08:23:02.480
UTC End
2025-11-02 08:23:53.680
MJD Start
60981.3493342604
MJD End
60981.34992685299
Exposure time (s)
51.2
Validation level
1
Tau 0: Coherence time (s)
0.004834
Ambient temperature (°C)
10.48
Seeing (arcsec)
0.715
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 74.2850 74.4390 87.5000 87.6000
A0-J2 116.2810 116.4300 62.6000 62.8000
A0-K0 124.0900 124.1530 42.9280 43.1510
G1-J2 58.0400 58.0470 30.0000 30.2000
G1-K0 88.1580 88.1510 6.7160 6.8680
J2-K0 41.6890 41.7220 333.3860 333.4850
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 60981.3493342604
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 74.285
HIERARCH ESO ISS PBL12 END 74.439
HIERARCH ESO ISS PBLA12 START 87.5
HIERARCH ESO ISS PBLA12 END 87.6
HIERARCH ESO ISS PBL13 START 116.281
HIERARCH ESO ISS PBL13 END 116.43
HIERARCH ESO ISS PBLA13 START 62.6
HIERARCH ESO ISS PBLA13 END 62.8
HIERARCH ESO ISS PBL14 START 124.09
HIERARCH ESO ISS PBL14 END 124.153
HIERARCH ESO ISS PBLA14 START 42.928
HIERARCH ESO ISS PBLA14 END 43.151
HIERARCH ESO ISS PBL23 START 58.04
HIERARCH ESO ISS PBL23 END 58.047
HIERARCH ESO ISS PBLA23 START 30.0
HIERARCH ESO ISS PBLA23 END 30.2
HIERARCH ESO ISS PBL24 START 88.158
HIERARCH ESO ISS PBL24 END 88.151
HIERARCH ESO ISS PBLA24 START 6.716
HIERARCH ESO ISS PBLA24 END 6.868
HIERARCH ESO ISS PBL34 START 41.689
HIERARCH ESO ISS PBL34 END 41.722
HIERARCH ESO ISS PBLA34 START 333.386
HIERARCH ESO ISS PBLA34 END 333.485
HIERARCH ESO ISS AMBI TAU0 START 0.004834
HIERARCH ESO ISS AMBI TAU0 END 0.004834
HIERARCH ESO ISS AMBI TEMP 10.48
HIERARCH ESO ISS AMBI FWHM START 0.7
HIERARCH ESO ISS AMBI FWHM END 0.73