Exposure
ID
PIONI.2025-05-27T01:58:44.681_1
Header ID
PIONI.2025-05-27T01:58:44.681
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 01:58:44.681
UTC End
2025-05-27 01:59:23.081
MJD Start
60822.0824615881
MJD End
60822.08290603254
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.003194
Ambient temperature (°C)
12.26
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 71.0600 70.9650 148.7000 148.9000
A0-J2 88.4540 88.1860 119.2000 119.3000
A0-K0 88.1660 87.8640 87.2060 87.2700
G1-J2 43.9770 43.8610 66.4000 66.4000
G1-K0 82.7010 82.6260 38.1850 38.1930
J2-K0 48.6280 48.6290 12.8570 12.9370
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 60822.0824615881
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 71.06
HIERARCH ESO ISS PBL12 END 70.965
HIERARCH ESO ISS PBLA12 START 148.7
HIERARCH ESO ISS PBLA12 END 148.9
HIERARCH ESO ISS PBL13 START 88.454
HIERARCH ESO ISS PBL13 END 88.186
HIERARCH ESO ISS PBLA13 START 119.2
HIERARCH ESO ISS PBLA13 END 119.3
HIERARCH ESO ISS PBL14 START 88.166
HIERARCH ESO ISS PBL14 END 87.864
HIERARCH ESO ISS PBLA14 START 87.206
HIERARCH ESO ISS PBLA14 END 87.27
HIERARCH ESO ISS PBL23 START 43.977
HIERARCH ESO ISS PBL23 END 43.861
HIERARCH ESO ISS PBLA23 START 66.4
HIERARCH ESO ISS PBLA23 END 66.4
HIERARCH ESO ISS PBL24 START 82.701
HIERARCH ESO ISS PBL24 END 82.626
HIERARCH ESO ISS PBLA24 START 38.185
HIERARCH ESO ISS PBLA24 END 38.193
HIERARCH ESO ISS PBL34 START 48.628
HIERARCH ESO ISS PBL34 END 48.629
HIERARCH ESO ISS PBLA34 START 12.857
HIERARCH ESO ISS PBLA34 END 12.937
HIERARCH ESO ISS AMBI TAU0 START 0.003194
HIERARCH ESO ISS AMBI TAU0 END 0.003194
HIERARCH ESO ISS AMBI TEMP 12.26
HIERARCH ESO ISS AMBI FWHM START 0.76
HIERARCH ESO ISS AMBI FWHM END 0.76