Exposure
ID
PIONI.2025-07-21T06:05:05.031_1
Header ID
PIONI.2025-07-21T06:05:05.031
Date updated
2025-07-21 06:15:34 UTC+0000
Release date
2025-07-21 06:05:05 UTC+0000
UTC Start
2025-07-21 06:05:05.031
UTC End
2025-07-21 06:05:43.431
MJD Start
60877.253530452
MJD End
60877.25397489644
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.002619
Ambient temperature (°C)
14.98
Seeing (arcsec)
0.73
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 61.4680 61.2770 126.5000 126.7000
A0-J2 94.3950 94.0800 93.9000 93.9000
A0-K0 108.2010 107.9710 69.8330 69.7880
G1-J2 53.9800 53.9150 56.1000 56.0000
G1-K0 90.4640 90.4590 35.2210 35.2180
J2-K0 44.3850 44.3970 9.5800 9.6710
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 60877.253530452
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 61.468
HIERARCH ESO ISS PBL12 END 61.277
HIERARCH ESO ISS PBLA12 START 126.5
HIERARCH ESO ISS PBLA12 END 126.7
HIERARCH ESO ISS PBL13 START 94.395
HIERARCH ESO ISS PBL13 END 94.08
HIERARCH ESO ISS PBLA13 START 93.9
HIERARCH ESO ISS PBLA13 END 93.9
HIERARCH ESO ISS PBL14 START 108.201
HIERARCH ESO ISS PBL14 END 107.971
HIERARCH ESO ISS PBLA14 START 69.833
HIERARCH ESO ISS PBLA14 END 69.788
HIERARCH ESO ISS PBL23 START 53.98
HIERARCH ESO ISS PBL23 END 53.915
HIERARCH ESO ISS PBLA23 START 56.1
HIERARCH ESO ISS PBLA23 END 56.0
HIERARCH ESO ISS PBL24 START 90.464
HIERARCH ESO ISS PBL24 END 90.459
HIERARCH ESO ISS PBLA24 START 35.221
HIERARCH ESO ISS PBLA24 END 35.218
HIERARCH ESO ISS PBL34 START 44.385
HIERARCH ESO ISS PBL34 END 44.397
HIERARCH ESO ISS PBLA34 START 9.58
HIERARCH ESO ISS PBLA34 END 9.671
HIERARCH ESO ISS AMBI TAU0 START 0.002451
HIERARCH ESO ISS AMBI TAU0 END 0.002787
HIERARCH ESO ISS AMBI TEMP 14.98
HIERARCH ESO ISS AMBI FWHM START 0.76
HIERARCH ESO ISS AMBI FWHM END 0.7