Exposure
ID
PIONI.2025-04-26T23:56:05.157_1
Header ID
PIONI.2025-04-26T23:56:05.157
Date updated
2025-04-27 00:00:48 UTC+0000
Release date
2025-04-26 23:56:05 UTC+0000
UTC Start
2025-04-26 23:56:05.157
UTC End
2025-04-26 23:56:43.557
MJD Start
60791.9972819141
MJD End
60791.99772635854
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.004907
Ambient temperature (°C)
13.46
Seeing (arcsec)
0.6000000000000001
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 90.3470 90.3630 114.1000 114.1000
A0-J2 128.7990 128.8330 90.8000 90.9000
A0-K0 127.4470 127.4830 68.9640 69.0400
G1-J2 57.9940 58.0080 52.9000 53.0000
G1-K0 90.2650 90.2730 23.8180 23.9000
J2-K0 48.6380 48.6370 348.3380 348.4120
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 60791.9972819141
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 90.347
HIERARCH ESO ISS PBL12 END 90.363
HIERARCH ESO ISS PBLA12 START 114.1
HIERARCH ESO ISS PBLA12 END 114.1
HIERARCH ESO ISS PBL13 START 128.799
HIERARCH ESO ISS PBL13 END 128.833
HIERARCH ESO ISS PBLA13 START 90.8
HIERARCH ESO ISS PBLA13 END 90.9
HIERARCH ESO ISS PBL14 START 127.447
HIERARCH ESO ISS PBL14 END 127.483
HIERARCH ESO ISS PBLA14 START 68.964
HIERARCH ESO ISS PBLA14 END 69.04
HIERARCH ESO ISS PBL23 START 57.994
HIERARCH ESO ISS PBL23 END 58.008
HIERARCH ESO ISS PBLA23 START 52.9
HIERARCH ESO ISS PBLA23 END 53.0
HIERARCH ESO ISS PBL24 START 90.265
HIERARCH ESO ISS PBL24 END 90.273
HIERARCH ESO ISS PBLA24 START 23.818
HIERARCH ESO ISS PBLA24 END 23.9
HIERARCH ESO ISS PBL34 START 48.638
HIERARCH ESO ISS PBL34 END 48.637
HIERARCH ESO ISS PBLA34 START 348.338
HIERARCH ESO ISS PBLA34 END 348.412
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 0.53
HIERARCH ESO ISS AMBI FWHM END 0.67