Exposure
ID
PIONI.2025-04-29T00:56:10.223_1
Header ID
PIONI.2025-04-29T00:56:10.223
Date updated
2025-04-29 01:05:43 UTC+0000
Release date
2026-04-29 01:05:42 UTC+0000
UTC Start
2025-04-29 00:56:10.223
UTC End
2025-04-29 00:56:48.623
MJD Start
60794.0390072125
MJD End
60794.03945165694
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.006231
Ambient temperature (°C)
13.68
Seeing (arcsec)
0.71
Observation
ID
66988
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
49803
Name
HD87810
RA
151.780882
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 89.4720 89.4320 119.5000 119.6000
A0-J2 127.8730 127.8100 96.1000 96.2000
A0-K0 127.0900 127.0410 74.1400 74.2120
G1-J2 58.0090 57.9940 58.2000 58.3000
G1-K0 90.4730 90.4700 29.3900 29.4660
J2-K0 48.5130 48.5120 354.1980 354.2920
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 60794.0390072125
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD87810
RA 151.780882
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 89.472
HIERARCH ESO ISS PBL12 END 89.432
HIERARCH ESO ISS PBLA12 START 119.5
HIERARCH ESO ISS PBLA12 END 119.6
HIERARCH ESO ISS PBL13 START 127.873
HIERARCH ESO ISS PBL13 END 127.81
HIERARCH ESO ISS PBLA13 START 96.1
HIERARCH ESO ISS PBLA13 END 96.2
HIERARCH ESO ISS PBL14 START 127.09
HIERARCH ESO ISS PBL14 END 127.041
HIERARCH ESO ISS PBLA14 START 74.14
HIERARCH ESO ISS PBLA14 END 74.212
HIERARCH ESO ISS PBL23 START 58.009
HIERARCH ESO ISS PBL23 END 57.994
HIERARCH ESO ISS PBLA23 START 58.2
HIERARCH ESO ISS PBLA23 END 58.3
HIERARCH ESO ISS PBL24 START 90.473
HIERARCH ESO ISS PBL24 END 90.47
HIERARCH ESO ISS PBLA24 START 29.39
HIERARCH ESO ISS PBLA24 END 29.466
HIERARCH ESO ISS PBL34 START 48.513
HIERARCH ESO ISS PBL34 END 48.512
HIERARCH ESO ISS PBLA34 START 354.198
HIERARCH ESO ISS PBLA34 END 354.292
HIERARCH ESO ISS AMBI TAU0 START 0.006231
HIERARCH ESO ISS AMBI TAU0 END 0.006231
HIERARCH ESO ISS AMBI TEMP 13.68
HIERARCH ESO ISS AMBI FWHM START 0.71
HIERARCH ESO ISS AMBI FWHM END 0.71