Exposure
ID
PIONI.2025-11-02T08:25:08.485_1
Header ID
PIONI.2025-11-02T08:25:08.485
Date updated
2025-11-02 08:36:03 UTC+0000
Release date
2025-11-02 08:25:08 UTC+0000
UTC Start
2025-11-02 08:25:08.485
UTC End
2025-11-02 08:25:59.685
MJD Start
60981.3507926501
MJD End
60981.35138524269
Exposure time (s)
51.2
Validation level
1
Tau 0: Coherence time (s)
0.0044565
Ambient temperature (°C)
10.48
Seeing (arcsec)
0.77
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 74.6030 74.7550 87.9000 88.0000
A0-J2 116.5880 116.7370 63.0000 63.3000
A0-K0 124.2210 124.2840 43.3830 43.6040
G1-J2 58.0540 58.0610 30.4000 30.6000
G1-K0 88.1430 88.1350 7.0250 7.1760
J2-K0 41.7580 41.7910 333.5860 333.6850
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 60981.3507926501
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 74.603
HIERARCH ESO ISS PBL12 END 74.755
HIERARCH ESO ISS PBLA12 START 87.9
HIERARCH ESO ISS PBLA12 END 88.0
HIERARCH ESO ISS PBL13 START 116.588
HIERARCH ESO ISS PBL13 END 116.737
HIERARCH ESO ISS PBLA13 START 63.0
HIERARCH ESO ISS PBLA13 END 63.3
HIERARCH ESO ISS PBL14 START 124.221
HIERARCH ESO ISS PBL14 END 124.284
HIERARCH ESO ISS PBLA14 START 43.383
HIERARCH ESO ISS PBLA14 END 43.604
HIERARCH ESO ISS PBL23 START 58.054
HIERARCH ESO ISS PBL23 END 58.061
HIERARCH ESO ISS PBLA23 START 30.4
HIERARCH ESO ISS PBLA23 END 30.6
HIERARCH ESO ISS PBL24 START 88.143
HIERARCH ESO ISS PBL24 END 88.135
HIERARCH ESO ISS PBLA24 START 7.025
HIERARCH ESO ISS PBLA24 END 7.176
HIERARCH ESO ISS PBL34 START 41.758
HIERARCH ESO ISS PBL34 END 41.791
HIERARCH ESO ISS PBLA34 START 333.586
HIERARCH ESO ISS PBLA34 END 333.685
HIERARCH ESO ISS AMBI TAU0 START 0.004522
HIERARCH ESO ISS AMBI TAU0 END 0.004391
HIERARCH ESO ISS AMBI TEMP 10.48
HIERARCH ESO ISS AMBI FWHM START 0.73
HIERARCH ESO ISS AMBI FWHM END 0.81