Exposure
ID
PIONI.2025-11-01T06:44:40.957_1
Header ID
PIONI.2025-11-01T06:44:40.957
Date updated
2025-11-01 06:50:55 UTC+0000
Release date
2025-11-01 06:44:40 UTC+0000
UTC Start
2025-11-01 06:44:40.958
UTC End
2025-11-01 06:46:23.358
MJD Start
60980.2810296007
MJD End
60980.28221478589
Exposure time (s)
102.4
Validation level
1
Tau 0: Coherence time (s)
0.0100445
Ambient temperature (°C)
10.28
Seeing (arcsec)
0.375
Observation
ID
71048
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
52728
Name
HD_77402
RA
135.132699
DEC
-47.70113
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 56.3670 56.7200 64.4000 64.9000
A0-J2 100.4960 100.7630 36.3000 36.8000
A0-K0 117.7940 117.8840 18.8090 19.2840
G1-J2 57.2850 57.2940 8.7000 9.1000
G1-K0 88.0670 88.0830 351.6200 351.8940
J2-K0 37.3130 37.4120 324.8300 324.9620
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 60980.2810296007
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD_77402
RA 135.132699
DEC -47.70113
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 0.002
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 56.367
HIERARCH ESO ISS PBL12 END 56.72
HIERARCH ESO ISS PBLA12 START 64.4
HIERARCH ESO ISS PBLA12 END 64.9
HIERARCH ESO ISS PBL13 START 100.496
HIERARCH ESO ISS PBL13 END 100.763
HIERARCH ESO ISS PBLA13 START 36.3
HIERARCH ESO ISS PBLA13 END 36.8
HIERARCH ESO ISS PBL14 START 117.794
HIERARCH ESO ISS PBL14 END 117.884
HIERARCH ESO ISS PBLA14 START 18.809
HIERARCH ESO ISS PBLA14 END 19.284
HIERARCH ESO ISS PBL23 START 57.285
HIERARCH ESO ISS PBL23 END 57.294
HIERARCH ESO ISS PBLA23 START 8.7
HIERARCH ESO ISS PBLA23 END 9.1
HIERARCH ESO ISS PBL24 START 88.067
HIERARCH ESO ISS PBL24 END 88.083
HIERARCH ESO ISS PBLA24 START 351.62
HIERARCH ESO ISS PBLA24 END 351.894
HIERARCH ESO ISS PBL34 START 37.313
HIERARCH ESO ISS PBL34 END 37.412
HIERARCH ESO ISS PBLA34 START 324.83
HIERARCH ESO ISS PBLA34 END 324.962
HIERARCH ESO ISS AMBI TAU0 START 0.010291
HIERARCH ESO ISS AMBI TAU0 END 0.009798
HIERARCH ESO ISS AMBI TEMP 10.28
HIERARCH ESO ISS AMBI FWHM START 0.39
HIERARCH ESO ISS AMBI FWHM END 0.36