Exposure
ID
PIONI.2025-11-02T07:03:06.201_1
Header ID
PIONI.2025-11-02T07:03:06.201
Date updated
2025-11-02 07:11:20 UTC+0000
Release date
2025-11-02 07:03:06 UTC+0000
UTC Start
2025-11-02 07:03:06.201
UTC End
2025-11-02 07:04:48.601
MJD Start
60981.2938217688
MJD End
60981.29500695399
Exposure time (s)
102.4
Validation level
1
Tau 0: Coherence time (s)
0.005748
Ambient temperature (°C)
10.7
Seeing (arcsec)
0.6000000000000001
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 60.5500 60.9000 70.2000 70.7000
A0-J2 103.7990 104.0890 42.7000 43.2000
A0-K0 118.9680 119.0770 24.3970 24.8580
G1-J2 57.4120 57.4250 13.5000 13.9000
G1-K0 88.2250 88.2340 354.9050 355.1810
J2-K0 38.4440 38.5350 326.4780 326.6220
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 60981.2938217688
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 60.55
HIERARCH ESO ISS PBL12 END 60.9
HIERARCH ESO ISS PBLA12 START 70.2
HIERARCH ESO ISS PBLA12 END 70.7
HIERARCH ESO ISS PBL13 START 103.799
HIERARCH ESO ISS PBL13 END 104.089
HIERARCH ESO ISS PBLA13 START 42.7
HIERARCH ESO ISS PBLA13 END 43.2
HIERARCH ESO ISS PBL14 START 118.968
HIERARCH ESO ISS PBL14 END 119.077
HIERARCH ESO ISS PBLA14 START 24.397
HIERARCH ESO ISS PBLA14 END 24.858
HIERARCH ESO ISS PBL23 START 57.412
HIERARCH ESO ISS PBL23 END 57.425
HIERARCH ESO ISS PBLA23 START 13.5
HIERARCH ESO ISS PBLA23 END 13.9
HIERARCH ESO ISS PBL24 START 88.225
HIERARCH ESO ISS PBL24 END 88.234
HIERARCH ESO ISS PBLA24 START 354.905
HIERARCH ESO ISS PBLA24 END 355.181
HIERARCH ESO ISS PBL34 START 38.444
HIERARCH ESO ISS PBL34 END 38.535
HIERARCH ESO ISS PBLA34 START 326.478
HIERARCH ESO ISS PBLA34 END 326.622
HIERARCH ESO ISS AMBI TAU0 START 0.006196
HIERARCH ESO ISS AMBI TAU0 END 0.0053
HIERARCH ESO ISS AMBI TEMP 10.7
HIERARCH ESO ISS AMBI FWHM START 0.55
HIERARCH ESO ISS AMBI FWHM END 0.65