Exposure
ID
GRAVI.2025-05-22T01:45:20.800_1
Header ID
GRAVI.2025-05-22T01:45:20.800
Date updated
2025-05-22 01:55:55 UTC+0000
Release date
2026-05-22 01:55:55 UTC+0000
UTC Start
2025-05-22 01:45:20.800
UTC End
2025-05-22 01:49:20.800
MJD Start
60817.07315741
MJD End
60817.07593518778
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.007986
Ambient temperature (°C)
14.7
Seeing (arcsec)
0.5900000000000001
Observation
ID
67511
Category
science
Program ID
113.26BP.001
Program Title
HIGH-PRECISION MASSES AND DISTANCES OF SPECTROSCOPIC BINARIES WITH INTERFEROMETRY - PART IV
Program Type
Normal
PI / COI
GALLENNE / PIETRZYNSKI / KERVELLA / MÉRAND / GIEREN / GRACZYK
Target
ID
50212
Name
3_Boo
RA
206.680396
DEC
25.70191
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-COMBINED
Instrument sub-mode
SINGLE
Stations
K0 G2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
K0-G2 67.5480 67.7130 275.9000 275.4000
K0-D0 87.4680 88.1120 261.8000 261.4000
K0-J3 45.3120 44.9420 319.6910 319.7880
G2-D0 27.4410 27.7840 224.9000 225.1000
G2-J3 46.9100 47.5050 53.8640 53.9340
D0-J3 74.1380 75.0830 50.5560 50.6940
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 113.26BP.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60817.07315741
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME 3-Boo
HIERARCH ESO INS SOBJ NAME 3_Boo
RA 206.680396
DEC 25.70191
HIERARCH ESO INS SPEC RES HIGH
HIERARCH ESO INS POLA MODE COMBINED
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 K0
HIERARCH ESO ISS CONF STATION2 G2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 J3
EXPTIME 256.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 8
HIERARCH ESO ISS PBL12 START 67.548
HIERARCH ESO ISS PBL12 END 67.713
HIERARCH ESO ISS PBLA12 START 275.9
HIERARCH ESO ISS PBLA12 END 275.4
HIERARCH ESO ISS PBL13 START 87.468
HIERARCH ESO ISS PBL13 END 88.112
HIERARCH ESO ISS PBLA13 START 261.8
HIERARCH ESO ISS PBLA13 END 261.4
HIERARCH ESO ISS PBL14 START 45.312
HIERARCH ESO ISS PBL14 END 44.942
HIERARCH ESO ISS PBLA14 START 319.691
HIERARCH ESO ISS PBLA14 END 319.788
HIERARCH ESO ISS PBL23 START 27.441
HIERARCH ESO ISS PBL23 END 27.784
HIERARCH ESO ISS PBLA23 START 224.9
HIERARCH ESO ISS PBLA23 END 225.1
HIERARCH ESO ISS PBL24 START 46.91
HIERARCH ESO ISS PBL24 END 47.505
HIERARCH ESO ISS PBLA24 START 53.864
HIERARCH ESO ISS PBLA24 END 53.934
HIERARCH ESO ISS PBL34 START 74.138
HIERARCH ESO ISS PBL34 END 75.083
HIERARCH ESO ISS PBLA34 START 50.556
HIERARCH ESO ISS PBLA34 END 50.694
HIERARCH ESO ISS AMBI TAU0 START 0.008272
HIERARCH ESO ISS AMBI TAU0 END 0.0077
HIERARCH ESO ISS AMBI TEMP 14.7
HIERARCH ESO ISS AMBI FWHM START 0.53
HIERARCH ESO ISS AMBI FWHM END 0.65