Exposure
ID
PIONI.2025-07-23T04:33:16.754_1
Header ID
PIONI.2025-07-23T04:33:16.754
Date updated
2025-07-23 04:40:45 UTC+0000
Release date
2025-07-23 04:33:16 UTC+0000
UTC Start
2025-07-23 04:33:16.754
UTC End
2025-07-23 04:33:55.154
MJD Start
60879.1897772434
MJD End
60879.190221687844
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.003401
Ambient temperature (°C)
13.64
Seeing (arcsec)
0.55
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 78.9460 78.8060 117.5000 117.5000
A0-J2 119.7560 119.5820 92.9000 93.0000
A0-K0 125.0220 124.9290 72.4900 72.4750
G1-J2 58.0690 58.0550 58.6000 58.6000
G1-K0 88.8910 88.9250 33.5940 33.6250
J2-K0 43.7760 43.7760 359.5120 359.6100
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 60879.1897772434
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 78.946
HIERARCH ESO ISS PBL12 END 78.806
HIERARCH ESO ISS PBLA12 START 117.5
HIERARCH ESO ISS PBLA12 END 117.5
HIERARCH ESO ISS PBL13 START 119.756
HIERARCH ESO ISS PBL13 END 119.582
HIERARCH ESO ISS PBLA13 START 92.9
HIERARCH ESO ISS PBLA13 END 93.0
HIERARCH ESO ISS PBL14 START 125.022
HIERARCH ESO ISS PBL14 END 124.929
HIERARCH ESO ISS PBLA14 START 72.49
HIERARCH ESO ISS PBLA14 END 72.475
HIERARCH ESO ISS PBL23 START 58.069
HIERARCH ESO ISS PBL23 END 58.055
HIERARCH ESO ISS PBLA23 START 58.6
HIERARCH ESO ISS PBLA23 END 58.6
HIERARCH ESO ISS PBL24 START 88.891
HIERARCH ESO ISS PBL24 END 88.925
HIERARCH ESO ISS PBLA24 START 33.594
HIERARCH ESO ISS PBLA24 END 33.625
HIERARCH ESO ISS PBL34 START 43.776
HIERARCH ESO ISS PBL34 END 43.776
HIERARCH ESO ISS PBLA34 START 359.512
HIERARCH ESO ISS PBLA34 END 359.61
HIERARCH ESO ISS AMBI TAU0 START 0.003401
HIERARCH ESO ISS AMBI TAU0 END 0.003401
HIERARCH ESO ISS AMBI TEMP 13.64
HIERARCH ESO ISS AMBI FWHM START 0.55
HIERARCH ESO ISS AMBI FWHM END 0.55