Exposure
ID
PIONI.2025-04-26T23:56:55.093_1
Header ID
PIONI.2025-04-26T23:56:55.093
Date updated
2025-04-27 00:05:47 UTC+0000
Release date
2025-04-26 23:56:55 UTC+0000
UTC Start
2025-04-26 23:56:55.093
UTC End
2025-04-26 23:57:33.493
MJD Start
60791.9978598696
MJD End
60791.998304314046
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.004907
Ambient temperature (°C)
13.46
Seeing (arcsec)
0.6100000000000001
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 90.3640 90.3790 114.1000 114.2000
A0-J2 128.8340 128.8670 90.9000 91.0000
A0-K0 127.4840 127.5180 69.0500 69.1250
G1-J2 58.0080 58.0210 53.0000 53.1000
G1-K0 90.2740 90.2820 23.9110 23.9920
J2-K0 48.6370 48.6360 348.4220 348.4960
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 60791.9978598696
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 90.364
HIERARCH ESO ISS PBL12 END 90.379
HIERARCH ESO ISS PBLA12 START 114.1
HIERARCH ESO ISS PBLA12 END 114.2
HIERARCH ESO ISS PBL13 START 128.834
HIERARCH ESO ISS PBL13 END 128.867
HIERARCH ESO ISS PBLA13 START 90.9
HIERARCH ESO ISS PBLA13 END 91.0
HIERARCH ESO ISS PBL14 START 127.484
HIERARCH ESO ISS PBL14 END 127.518
HIERARCH ESO ISS PBLA14 START 69.05
HIERARCH ESO ISS PBLA14 END 69.125
HIERARCH ESO ISS PBL23 START 58.008
HIERARCH ESO ISS PBL23 END 58.021
HIERARCH ESO ISS PBLA23 START 53.0
HIERARCH ESO ISS PBLA23 END 53.1
HIERARCH ESO ISS PBL24 START 90.274
HIERARCH ESO ISS PBL24 END 90.282
HIERARCH ESO ISS PBLA24 START 23.911
HIERARCH ESO ISS PBLA24 END 23.992
HIERARCH ESO ISS PBL34 START 48.637
HIERARCH ESO ISS PBL34 END 48.636
HIERARCH ESO ISS PBLA34 START 348.422
HIERARCH ESO ISS PBLA34 END 348.496
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 0.67
HIERARCH ESO ISS AMBI FWHM END 0.55