Exposure
ID
PIONI.2025-04-26T23:58:35.689_1
Header ID
PIONI.2025-04-26T23:58:35.689
Date updated
2025-04-27 00:05:47 UTC+0000
Release date
2025-04-26 23:58:35 UTC+0000
UTC Start
2025-04-26 23:58:35.689
UTC End
2025-04-26 23:59:14.089
MJD Start
60791.9990241784
MJD End
60791.999468622846
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.004907
Ambient temperature (°C)
13.46
Seeing (arcsec)
0.53
Observation
ID
66977
Category
calibrator
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
49794
Name
HD85991
RA
148.772249
DEC
-22.33329
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 90.3940 90.4070 114.3000 114.4000
A0-J2 128.9000 128.9300 91.1000 91.2000
A0-K0 127.5530 127.5840 69.2140 69.3090
G1-J2 58.0350 58.0470 53.2000 53.3000
G1-K0 90.2900 90.2980 24.0870 24.1870
J2-K0 48.6360 48.6350 348.5830 348.6770
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.28F2.002
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE FRINGE,OBJECT
MJD-OBS 60791.9990241784
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD85991
RA 148.772249
DEC -22.33329
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 90.394
HIERARCH ESO ISS PBL12 END 90.407
HIERARCH ESO ISS PBLA12 START 114.3
HIERARCH ESO ISS PBLA12 END 114.4
HIERARCH ESO ISS PBL13 START 128.9
HIERARCH ESO ISS PBL13 END 128.93
HIERARCH ESO ISS PBLA13 START 91.1
HIERARCH ESO ISS PBLA13 END 91.2
HIERARCH ESO ISS PBL14 START 127.553
HIERARCH ESO ISS PBL14 END 127.584
HIERARCH ESO ISS PBLA14 START 69.214
HIERARCH ESO ISS PBLA14 END 69.309
HIERARCH ESO ISS PBL23 START 58.035
HIERARCH ESO ISS PBL23 END 58.047
HIERARCH ESO ISS PBLA23 START 53.2
HIERARCH ESO ISS PBLA23 END 53.3
HIERARCH ESO ISS PBL24 START 90.29
HIERARCH ESO ISS PBL24 END 90.298
HIERARCH ESO ISS PBLA24 START 24.087
HIERARCH ESO ISS PBLA24 END 24.187
HIERARCH ESO ISS PBL34 START 48.636
HIERARCH ESO ISS PBL34 END 48.635
HIERARCH ESO ISS PBLA34 START 348.583
HIERARCH ESO ISS PBLA34 END 348.677
HIERARCH ESO ISS AMBI TAU0 START 0.004907
HIERARCH ESO ISS AMBI TAU0 END 0.004907
HIERARCH ESO ISS AMBI TEMP 13.46
HIERARCH ESO ISS AMBI FWHM START 0.55
HIERARCH ESO ISS AMBI FWHM END 0.51