Exposure
ID
PIONI.2025-04-25T01:10:54.711_1
Header ID
PIONI.2025-04-25T01:10:54.711
Date updated
2025-04-25 01:15:41 UTC+0000
Release date
2026-04-25 01:15:41 UTC+0000
UTC Start
2025-04-25 01:10:54.711
UTC End
2025-04-25 01:11:33.111
MJD Start
60790.0492443354
MJD End
60790.04968877984
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.015488
Ambient temperature (°C)
13.88
Seeing (arcsec)
0.315
Observation
ID
66976
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
49793
Name
HD87810
RA
151.780881
DEC
-21.25569
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 89.5190 89.4800 119.4000 119.5000
A0-J2 127.9460 127.8850 96.0000 96.1000
A0-K0 127.1470 127.1000 74.0640 74.1280
G1-J2 58.0250 58.0110 58.1000 58.2000
G1-K0 90.4750 90.4730 29.3100 29.3780
J2-K0 48.5140 48.5130 354.0980 354.1820
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 60790.0492443354
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD87810
RA 151.780881
DEC -21.25569
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 89.519
HIERARCH ESO ISS PBL12 END 89.48
HIERARCH ESO ISS PBLA12 START 119.4
HIERARCH ESO ISS PBLA12 END 119.5
HIERARCH ESO ISS PBL13 START 127.946
HIERARCH ESO ISS PBL13 END 127.885
HIERARCH ESO ISS PBLA13 START 96.0
HIERARCH ESO ISS PBLA13 END 96.1
HIERARCH ESO ISS PBL14 START 127.147
HIERARCH ESO ISS PBL14 END 127.1
HIERARCH ESO ISS PBLA14 START 74.064
HIERARCH ESO ISS PBLA14 END 74.128
HIERARCH ESO ISS PBL23 START 58.025
HIERARCH ESO ISS PBL23 END 58.011
HIERARCH ESO ISS PBLA23 START 58.1
HIERARCH ESO ISS PBLA23 END 58.2
HIERARCH ESO ISS PBL24 START 90.475
HIERARCH ESO ISS PBL24 END 90.473
HIERARCH ESO ISS PBLA24 START 29.31
HIERARCH ESO ISS PBLA24 END 29.378
HIERARCH ESO ISS PBL34 START 48.514
HIERARCH ESO ISS PBL34 END 48.513
HIERARCH ESO ISS PBLA34 START 354.098
HIERARCH ESO ISS PBLA34 END 354.182
HIERARCH ESO ISS AMBI TAU0 START 0.015488
HIERARCH ESO ISS AMBI TAU0 END 0.015488
HIERARCH ESO ISS AMBI TEMP 13.88
HIERARCH ESO ISS AMBI FWHM START 0.29
HIERARCH ESO ISS AMBI FWHM END 0.34