Exposure
ID
PIONI.2025-06-02T03:47:45.526_1
Header ID
PIONI.2025-06-02T03:47:45.526
Date updated
2025-06-02 03:55:55 UTC+0000
Release date
2025-06-02 03:47:45 UTC+0000
UTC Start
2025-06-02 03:47:45.526
UTC End
2025-06-02 03:48:23.926
MJD Start
60828.1581658111
MJD End
60828.158610255545
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.004266
Ambient temperature (°C)
11.57
Seeing (arcsec)
0.84
Observation
ID
67688
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
50340
Name
HD170785
RA
277.804069
DEC
-0.44418
Instrument
Interferometer
VLTI
Instrument
PIONIER
Instrument mode
GRISM-H
Stations
A0 B5 J2 J6
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B5 48.6200 48.6240 143.1000 143.1000
A0-J2 99.6990 99.9910 93.0000 93.0000
A0-J6 140.1470 140.1830 6.1360 6.2770
B5-J2 78.0280 78.2860 64.4000 64.5000
B5-J6 178.7840 178.7580 355.4390 355.5490
J2-J6 167.4310 167.4070 329.6610 329.6780
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 60828.1581658111
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD170785
RA 277.804069
DEC -0.44418
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 B5
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 J6
HIERARCH ESO DET DIT 0.00075
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 48.62
HIERARCH ESO ISS PBL12 END 48.624
HIERARCH ESO ISS PBLA12 START 143.1
HIERARCH ESO ISS PBLA12 END 143.1
HIERARCH ESO ISS PBL13 START 99.699
HIERARCH ESO ISS PBL13 END 99.991
HIERARCH ESO ISS PBLA13 START 93.0
HIERARCH ESO ISS PBLA13 END 93.0
HIERARCH ESO ISS PBL14 START 140.147
HIERARCH ESO ISS PBL14 END 140.183
HIERARCH ESO ISS PBLA14 START 6.136
HIERARCH ESO ISS PBLA14 END 6.277
HIERARCH ESO ISS PBL23 START 78.028
HIERARCH ESO ISS PBL23 END 78.286
HIERARCH ESO ISS PBLA23 START 64.4
HIERARCH ESO ISS PBLA23 END 64.5
HIERARCH ESO ISS PBL24 START 178.784
HIERARCH ESO ISS PBL24 END 178.758
HIERARCH ESO ISS PBLA24 START 355.439
HIERARCH ESO ISS PBLA24 END 355.549
HIERARCH ESO ISS PBL34 START 167.431
HIERARCH ESO ISS PBL34 END 167.407
HIERARCH ESO ISS PBLA34 START 329.661
HIERARCH ESO ISS PBLA34 END 329.678
HIERARCH ESO ISS AMBI TAU0 START 0.004266
HIERARCH ESO ISS AMBI TAU0 END 0.004266
HIERARCH ESO ISS AMBI TEMP 11.57
HIERARCH ESO ISS AMBI FWHM START 0.84
HIERARCH ESO ISS AMBI FWHM END 0.84