Exposure
ID
GRAVI.2025-06-21T23:25:24.280_1
Header ID
GRAVI.2025-06-21T23:25:24.280
Date updated
2025-06-21 23:40:55 UTC+0000
Release date
2026-06-21 23:40:55 UTC+0000
UTC Start
2025-06-21 23:25:24.280
UTC End
2025-06-21 23:29:24.280
MJD Start
60847.97597546
MJD End
60847.97875323778
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.002576
Ambient temperature (°C)
12.84
Seeing (arcsec)
0.745
Observation
ID
68186
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
50686
Name
3_Boo
RA
206.680395
DEC
25.7019
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 66.6430 66.8870 277.9000 277.4000
K0-D0 84.4630 85.2130 263.4000 263.0000
K0-J3 46.8260 46.4760 319.4280 319.4700
G2-D0 25.9610 26.3130 223.6000 223.9000
G2-J3 44.2940 44.9240 53.3960 53.5340
D0-J3 70.0150 71.0050 49.7740 49.9900
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 60847.97597546
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME 3-Boo
HIERARCH ESO INS SOBJ NAME 3_Boo
RA 206.680395
DEC 25.7019
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 66.643
HIERARCH ESO ISS PBL12 END 66.887
HIERARCH ESO ISS PBLA12 START 277.9
HIERARCH ESO ISS PBLA12 END 277.4
HIERARCH ESO ISS PBL13 START 84.463
HIERARCH ESO ISS PBL13 END 85.213
HIERARCH ESO ISS PBLA13 START 263.4
HIERARCH ESO ISS PBLA13 END 263.0
HIERARCH ESO ISS PBL14 START 46.826
HIERARCH ESO ISS PBL14 END 46.476
HIERARCH ESO ISS PBLA14 START 319.428
HIERARCH ESO ISS PBLA14 END 319.47
HIERARCH ESO ISS PBL23 START 25.961
HIERARCH ESO ISS PBL23 END 26.313
HIERARCH ESO ISS PBLA23 START 223.6
HIERARCH ESO ISS PBLA23 END 223.9
HIERARCH ESO ISS PBL24 START 44.294
HIERARCH ESO ISS PBL24 END 44.924
HIERARCH ESO ISS PBLA24 START 53.396
HIERARCH ESO ISS PBLA24 END 53.534
HIERARCH ESO ISS PBL34 START 70.015
HIERARCH ESO ISS PBL34 END 71.005
HIERARCH ESO ISS PBLA34 START 49.774
HIERARCH ESO ISS PBLA34 END 49.99
HIERARCH ESO ISS AMBI TAU0 START 0.002488
HIERARCH ESO ISS AMBI TAU0 END 0.002664
HIERARCH ESO ISS AMBI TEMP 12.84
HIERARCH ESO ISS AMBI FWHM START 0.83
HIERARCH ESO ISS AMBI FWHM END 0.66