Exposure
ID
PIONI.2025-05-27T01:57:04.075_1
Header ID
PIONI.2025-05-27T01:57:04.075
Date updated
2025-05-27 02:05:49 UTC+0000
Release date
2026-05-27 02:05:48 UTC+0000
UTC Start
2025-05-27 01:57:04.075
UTC End
2025-05-27 01:57:42.475
MJD Start
60822.0812971666
MJD End
60822.081741611044
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.003194
Ambient temperature (°C)
12.18
Seeing (arcsec)
0.76
Observation
ID
67603
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
50275
Name
HD87810
RA
151.780883
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 71.2600 71.1630 148.3000 148.5000
A0-J2 89.0170 88.7440 118.8000 119.0000
A0-K0 88.7990 88.4920 87.0730 87.1380
G1-J2 44.2160 44.1000 66.4000 66.4000
G1-K0 82.8560 82.7810 38.1680 38.1760
J2-K0 48.6250 48.6270 12.6920 12.7720
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 60822.0812971666
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD87810
RA 151.780883
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 71.26
HIERARCH ESO ISS PBL12 END 71.163
HIERARCH ESO ISS PBLA12 START 148.3
HIERARCH ESO ISS PBLA12 END 148.5
HIERARCH ESO ISS PBL13 START 89.017
HIERARCH ESO ISS PBL13 END 88.744
HIERARCH ESO ISS PBLA13 START 118.8
HIERARCH ESO ISS PBLA13 END 119.0
HIERARCH ESO ISS PBL14 START 88.799
HIERARCH ESO ISS PBL14 END 88.492
HIERARCH ESO ISS PBLA14 START 87.073
HIERARCH ESO ISS PBLA14 END 87.138
HIERARCH ESO ISS PBL23 START 44.216
HIERARCH ESO ISS PBL23 END 44.1
HIERARCH ESO ISS PBLA23 START 66.4
HIERARCH ESO ISS PBLA23 END 66.4
HIERARCH ESO ISS PBL24 START 82.856
HIERARCH ESO ISS PBL24 END 82.781
HIERARCH ESO ISS PBLA24 START 38.168
HIERARCH ESO ISS PBLA24 END 38.176
HIERARCH ESO ISS PBL34 START 48.625
HIERARCH ESO ISS PBL34 END 48.627
HIERARCH ESO ISS PBLA34 START 12.692
HIERARCH ESO ISS PBLA34 END 12.772
HIERARCH ESO ISS AMBI TAU0 START 0.003194
HIERARCH ESO ISS AMBI TAU0 END 0.003194
HIERARCH ESO ISS AMBI TEMP 12.18
HIERARCH ESO ISS AMBI FWHM START 0.76
HIERARCH ESO ISS AMBI FWHM END 0.76