Exposure
ID
PIONI.2025-06-17T00:12:07.621_1
Header ID
PIONI.2025-06-17T00:12:07.621
Date updated
2025-06-17 00:20:50 UTC+0000
Release date
2026-06-17 00:20:50 UTC+0000
UTC Start
2025-06-17 00:12:07.621
UTC End
2025-06-17 00:12:46.021
MJD Start
60843.0084215421
MJD End
60843.00886598654
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.005047
Ambient temperature (°C)
7.57
Seeing (arcsec)
0.43999999999999995
Observation
ID
68137
Category
science
Program ID
115.28F2.002
Program Title
WEIGHING THE STARS: HIGH-PRECISION MASSES OF F-TYPE MAIN-SEQUENCE BINARIES
Program Type
Normal
PI / COI
JONÁK / MOURARD / NARDETTO / MEILLAND / BROZ
Target
ID
50646
Name
HD87810
RA
151.780884
DEC
-21.25568
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 74.0330 73.9290 143.0000 143.2000
A0-J2 96.3400 96.0790 114.5000 114.6000
A0-K0 96.7950 96.5170 85.3540 85.4150
G1-J2 47.2160 47.1130 66.0000 66.0000
G1-K0 84.7640 84.6990 37.7920 37.8110
J2-K0 48.5890 48.5910 10.4400 10.5240
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.28F2.002
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE FRINGE,OBJECT
MJD-OBS 60843.0084215421
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD87810
RA 151.780884
DEC -21.25568
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 0.00075
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 74.033
HIERARCH ESO ISS PBL12 END 73.929
HIERARCH ESO ISS PBLA12 START 143.0
HIERARCH ESO ISS PBLA12 END 143.2
HIERARCH ESO ISS PBL13 START 96.34
HIERARCH ESO ISS PBL13 END 96.079
HIERARCH ESO ISS PBLA13 START 114.5
HIERARCH ESO ISS PBLA13 END 114.6
HIERARCH ESO ISS PBL14 START 96.795
HIERARCH ESO ISS PBL14 END 96.517
HIERARCH ESO ISS PBLA14 START 85.354
HIERARCH ESO ISS PBLA14 END 85.415
HIERARCH ESO ISS PBL23 START 47.216
HIERARCH ESO ISS PBL23 END 47.113
HIERARCH ESO ISS PBLA23 START 66.0
HIERARCH ESO ISS PBLA23 END 66.0
HIERARCH ESO ISS PBL24 START 84.764
HIERARCH ESO ISS PBL24 END 84.699
HIERARCH ESO ISS PBLA24 START 37.792
HIERARCH ESO ISS PBLA24 END 37.811
HIERARCH ESO ISS PBL34 START 48.589
HIERARCH ESO ISS PBL34 END 48.591
HIERARCH ESO ISS PBLA34 START 10.44
HIERARCH ESO ISS PBLA34 END 10.524
HIERARCH ESO ISS AMBI TAU0 START 0.005047
HIERARCH ESO ISS AMBI TAU0 END 0.005047
HIERARCH ESO ISS AMBI TEMP 7.57
HIERARCH ESO ISS AMBI FWHM START 0.41
HIERARCH ESO ISS AMBI FWHM END 0.47