Exposure
ID
PIONI.2025-05-27T01:57:54.222_1
Header ID
PIONI.2025-05-27T01:57:54.222
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 01:57:54.222
UTC End
2025-05-27 01:58:32.622
MJD Start
60822.0818775701
MJD End
60822.08232201454
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.003194
Ambient temperature (°C)
12.23
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 71.1590 71.0630 148.5000 148.7000
A0-J2 88.7330 88.4650 119.0000 119.2000
A0-K0 88.4800 88.1780 87.1400 87.2040
G1-J2 44.0960 43.9820 66.4000 66.4000
G1-K0 82.7780 82.7040 38.1770 38.1850
J2-K0 48.6270 48.6280 12.7750 12.8540
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 60822.0818775701
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 71.159
HIERARCH ESO ISS PBL12 END 71.063
HIERARCH ESO ISS PBLA12 START 148.5
HIERARCH ESO ISS PBLA12 END 148.7
HIERARCH ESO ISS PBL13 START 88.733
HIERARCH ESO ISS PBL13 END 88.465
HIERARCH ESO ISS PBLA13 START 119.0
HIERARCH ESO ISS PBLA13 END 119.2
HIERARCH ESO ISS PBL14 START 88.48
HIERARCH ESO ISS PBL14 END 88.178
HIERARCH ESO ISS PBLA14 START 87.14
HIERARCH ESO ISS PBLA14 END 87.204
HIERARCH ESO ISS PBL23 START 44.096
HIERARCH ESO ISS PBL23 END 43.982
HIERARCH ESO ISS PBLA23 START 66.4
HIERARCH ESO ISS PBLA23 END 66.4
HIERARCH ESO ISS PBL24 START 82.778
HIERARCH ESO ISS PBL24 END 82.704
HIERARCH ESO ISS PBLA24 START 38.177
HIERARCH ESO ISS PBLA24 END 38.185
HIERARCH ESO ISS PBL34 START 48.627
HIERARCH ESO ISS PBL34 END 48.628
HIERARCH ESO ISS PBLA34 START 12.775
HIERARCH ESO ISS PBLA34 END 12.854
HIERARCH ESO ISS AMBI TAU0 START 0.003194
HIERARCH ESO ISS AMBI TAU0 END 0.003194
HIERARCH ESO ISS AMBI TEMP 12.23
HIERARCH ESO ISS AMBI FWHM START 0.76
HIERARCH ESO ISS AMBI FWHM END 0.76