Exposure
ID
PIONI.2025-04-29T00:57:51.269_1
Header ID
PIONI.2025-04-29T00:57:51.269
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 00:57:51.269
UTC End
2025-04-29 00:58:29.669
MJD Start
60794.040176725
MJD End
60794.04062116944
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.006503999999999999
Ambient temperature (°C)
13.73
Seeing (arcsec)
0.73
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 89.3890 89.3480 119.7000 119.8000
A0-J2 127.7420 127.6770 96.2000 96.3000
A0-K0 126.9880 126.9360 74.2850 74.3490
G1-J2 57.9780 57.9620 58.3000 58.4000
G1-K0 90.4670 90.4640 29.5420 29.6100
J2-K0 48.5100 48.5090 354.3860 354.4710
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 60794.040176725
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 89.389
HIERARCH ESO ISS PBL12 END 89.348
HIERARCH ESO ISS PBLA12 START 119.7
HIERARCH ESO ISS PBLA12 END 119.8
HIERARCH ESO ISS PBL13 START 127.742
HIERARCH ESO ISS PBL13 END 127.677
HIERARCH ESO ISS PBLA13 START 96.2
HIERARCH ESO ISS PBLA13 END 96.3
HIERARCH ESO ISS PBL14 START 126.988
HIERARCH ESO ISS PBL14 END 126.936
HIERARCH ESO ISS PBLA14 START 74.285
HIERARCH ESO ISS PBLA14 END 74.349
HIERARCH ESO ISS PBL23 START 57.978
HIERARCH ESO ISS PBL23 END 57.962
HIERARCH ESO ISS PBLA23 START 58.3
HIERARCH ESO ISS PBLA23 END 58.4
HIERARCH ESO ISS PBL24 START 90.467
HIERARCH ESO ISS PBL24 END 90.464
HIERARCH ESO ISS PBLA24 START 29.542
HIERARCH ESO ISS PBLA24 END 29.61
HIERARCH ESO ISS PBL34 START 48.51
HIERARCH ESO ISS PBL34 END 48.509
HIERARCH ESO ISS PBLA34 START 354.386
HIERARCH ESO ISS PBLA34 END 354.471
HIERARCH ESO ISS AMBI TAU0 START 0.006834
HIERARCH ESO ISS AMBI TAU0 END 0.006174
HIERARCH ESO ISS AMBI TEMP 13.73
HIERARCH ESO ISS AMBI FWHM START 0.72
HIERARCH ESO ISS AMBI FWHM END 0.74