Exposure
ID
PIONI.2025-11-02T08:26:11.946_1
Header ID
PIONI.2025-11-02T08:26:11.946
Date updated
2025-11-02 08:36:03 UTC+0000
Release date
2025-11-02 08:26:11 UTC+0000
UTC Start
2025-11-02 08:26:11.946
UTC End
2025-11-02 08:27:03.146
MJD Start
60981.3515271517
MJD End
60981.3521197443
Exposure time (s)
51.2
Validation level
1
Tau 0: Coherence time (s)
0.004509
Ambient temperature (°C)
10.46
Seeing (arcsec)
0.8
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 74.7600 74.9120 88.1000 88.2000
A0-J2 116.7410 116.8890 63.3000 63.5000
A0-K0 124.2860 124.3490 43.6110 43.8280
G1-J2 58.0610 58.0680 30.6000 30.8000
G1-K0 88.1350 88.1270 7.1810 7.3280
J2-K0 41.7920 41.8250 333.6880 333.7830
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 60981.3515271517
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 74.76
HIERARCH ESO ISS PBL12 END 74.912
HIERARCH ESO ISS PBLA12 START 88.1
HIERARCH ESO ISS PBLA12 END 88.2
HIERARCH ESO ISS PBL13 START 116.741
HIERARCH ESO ISS PBL13 END 116.889
HIERARCH ESO ISS PBLA13 START 63.3
HIERARCH ESO ISS PBLA13 END 63.5
HIERARCH ESO ISS PBL14 START 124.286
HIERARCH ESO ISS PBL14 END 124.349
HIERARCH ESO ISS PBLA14 START 43.611
HIERARCH ESO ISS PBLA14 END 43.828
HIERARCH ESO ISS PBL23 START 58.061
HIERARCH ESO ISS PBL23 END 58.068
HIERARCH ESO ISS PBLA23 START 30.6
HIERARCH ESO ISS PBLA23 END 30.8
HIERARCH ESO ISS PBL24 START 88.135
HIERARCH ESO ISS PBL24 END 88.127
HIERARCH ESO ISS PBLA24 START 7.181
HIERARCH ESO ISS PBLA24 END 7.328
HIERARCH ESO ISS PBL34 START 41.792
HIERARCH ESO ISS PBL34 END 41.825
HIERARCH ESO ISS PBLA34 START 333.688
HIERARCH ESO ISS PBLA34 END 333.783
HIERARCH ESO ISS AMBI TAU0 START 0.004391
HIERARCH ESO ISS AMBI TAU0 END 0.004627
HIERARCH ESO ISS AMBI TEMP 10.46
HIERARCH ESO ISS AMBI FWHM START 0.81
HIERARCH ESO ISS AMBI FWHM END 0.79