Exposure
ID
PIONI.2025-04-29T00:59:32.117_1
Header ID
PIONI.2025-04-29T00:59:32.117
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 00:59:32.117
UTC End
2025-04-29 01:00:10.517
MJD Start
60794.0413439525
MJD End
60794.04178839694
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.007985
Ambient temperature (°C)
14.07
Seeing (arcsec)
0.65
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 89.3030 89.2600 119.9000 120.0000
A0-J2 127.6060 127.5380 96.4000 96.5000
A0-K0 126.8800 126.8260 74.4210 74.4930
G1-J2 57.9450 57.9290 58.5000 58.5000
G1-K0 90.4610 90.4580 29.6850 29.7600
J2-K0 48.5080 48.5070 354.5660 354.6590
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 60794.0413439525
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 89.303
HIERARCH ESO ISS PBL12 END 89.26
HIERARCH ESO ISS PBLA12 START 119.9
HIERARCH ESO ISS PBLA12 END 120.0
HIERARCH ESO ISS PBL13 START 127.606
HIERARCH ESO ISS PBL13 END 127.538
HIERARCH ESO ISS PBLA13 START 96.4
HIERARCH ESO ISS PBLA13 END 96.5
HIERARCH ESO ISS PBL14 START 126.88
HIERARCH ESO ISS PBL14 END 126.826
HIERARCH ESO ISS PBLA14 START 74.421
HIERARCH ESO ISS PBLA14 END 74.493
HIERARCH ESO ISS PBL23 START 57.945
HIERARCH ESO ISS PBL23 END 57.929
HIERARCH ESO ISS PBLA23 START 58.5
HIERARCH ESO ISS PBLA23 END 58.5
HIERARCH ESO ISS PBL24 START 90.461
HIERARCH ESO ISS PBL24 END 90.458
HIERARCH ESO ISS PBLA24 START 29.685
HIERARCH ESO ISS PBLA24 END 29.76
HIERARCH ESO ISS PBL34 START 48.508
HIERARCH ESO ISS PBL34 END 48.507
HIERARCH ESO ISS PBLA34 START 354.566
HIERARCH ESO ISS PBLA34 END 354.659
HIERARCH ESO ISS AMBI TAU0 START 0.007985
HIERARCH ESO ISS AMBI TAU0 END 0.007985
HIERARCH ESO ISS AMBI TEMP 14.07
HIERARCH ESO ISS AMBI FWHM START 0.65
HIERARCH ESO ISS AMBI FWHM END 0.65