Exposure
ID
PIONI.2025-04-25T01:09:13.632_1
Header ID
PIONI.2025-04-25T01:09:13.632
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 01:09:13.632
UTC End
2025-04-25 01:09:52.032
MJD Start
60790.0480744457
MJD End
60790.048518890144
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.014911
Ambient temperature (°C)
13.85
Seeing (arcsec)
0.32
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 89.5970 89.5600 119.2000 119.3000
A0-J2 128.0680 128.0100 95.8000 95.9000
A0-K0 127.2410 127.1960 73.9170 73.9910
G1-J2 58.0530 58.0400 58.0000 58.1000
G1-K0 90.4790 90.4770 29.1560 29.2330
J2-K0 48.5170 48.5160 353.9110 354.0040
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 60790.0480744457
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 89.597
HIERARCH ESO ISS PBL12 END 89.56
HIERARCH ESO ISS PBLA12 START 119.2
HIERARCH ESO ISS PBLA12 END 119.3
HIERARCH ESO ISS PBL13 START 128.068
HIERARCH ESO ISS PBL13 END 128.01
HIERARCH ESO ISS PBLA13 START 95.8
HIERARCH ESO ISS PBLA13 END 95.9
HIERARCH ESO ISS PBL14 START 127.241
HIERARCH ESO ISS PBL14 END 127.196
HIERARCH ESO ISS PBLA14 START 73.917
HIERARCH ESO ISS PBLA14 END 73.991
HIERARCH ESO ISS PBL23 START 58.053
HIERARCH ESO ISS PBL23 END 58.04
HIERARCH ESO ISS PBLA23 START 58.0
HIERARCH ESO ISS PBLA23 END 58.1
HIERARCH ESO ISS PBL24 START 90.479
HIERARCH ESO ISS PBL24 END 90.477
HIERARCH ESO ISS PBLA24 START 29.156
HIERARCH ESO ISS PBLA24 END 29.233
HIERARCH ESO ISS PBL34 START 48.517
HIERARCH ESO ISS PBL34 END 48.516
HIERARCH ESO ISS PBLA34 START 353.911
HIERARCH ESO ISS PBLA34 END 354.004
HIERARCH ESO ISS AMBI TAU0 START 0.014911
HIERARCH ESO ISS AMBI TAU0 END 0.014911
HIERARCH ESO ISS AMBI TEMP 13.85
HIERARCH ESO ISS AMBI FWHM START 0.32
HIERARCH ESO ISS AMBI FWHM END 0.32