Exposure
ID
PIONI.2025-07-23T04:30:45.363_1
Header ID
PIONI.2025-07-23T04:30:45.363
Date updated
2025-07-23 04:35:58 UTC+0000
Release date
2025-07-23 04:30:45 UTC+0000
UTC Start
2025-07-23 04:30:45.362
UTC End
2025-07-23 04:31:23.762
MJD Start
60879.1880250257
MJD End
60879.188469470144
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.00319
Ambient temperature (°C)
13.39
Seeing (arcsec)
0.61
Observation
ID
68893
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
51256
Name
HD170785
RA
277.803513
DEC
-0.44419
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 79.3750 79.2400 117.3000 117.4000
A0-J2 120.2830 120.1170 92.9000 92.9000
A0-K0 125.3030 125.2150 72.5230 72.5120
G1-J2 58.1070 58.0950 58.6000 58.6000
G1-K0 88.7870 88.8200 33.4850 33.5190
J2-K0 43.7790 43.7780 359.1990 359.2980
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 60879.1880250257
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD170785
RA 277.803513
DEC -0.44419
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 79.375
HIERARCH ESO ISS PBL12 END 79.24
HIERARCH ESO ISS PBLA12 START 117.3
HIERARCH ESO ISS PBLA12 END 117.4
HIERARCH ESO ISS PBL13 START 120.283
HIERARCH ESO ISS PBL13 END 120.117
HIERARCH ESO ISS PBLA13 START 92.9
HIERARCH ESO ISS PBLA13 END 92.9
HIERARCH ESO ISS PBL14 START 125.303
HIERARCH ESO ISS PBL14 END 125.215
HIERARCH ESO ISS PBLA14 START 72.523
HIERARCH ESO ISS PBLA14 END 72.512
HIERARCH ESO ISS PBL23 START 58.107
HIERARCH ESO ISS PBL23 END 58.095
HIERARCH ESO ISS PBLA23 START 58.6
HIERARCH ESO ISS PBLA23 END 58.6
HIERARCH ESO ISS PBL24 START 88.787
HIERARCH ESO ISS PBL24 END 88.82
HIERARCH ESO ISS PBLA24 START 33.485
HIERARCH ESO ISS PBLA24 END 33.519
HIERARCH ESO ISS PBL34 START 43.779
HIERARCH ESO ISS PBL34 END 43.778
HIERARCH ESO ISS PBLA34 START 359.199
HIERARCH ESO ISS PBLA34 END 359.298
HIERARCH ESO ISS AMBI TAU0 START 0.00319
HIERARCH ESO ISS AMBI TAU0 END 0.00319
HIERARCH ESO ISS AMBI TEMP 13.39
HIERARCH ESO ISS AMBI FWHM START 0.61
HIERARCH ESO ISS AMBI FWHM END 0.61