Exposure
ID
GRAVI.2025-03-28T05:27:25.812_1
Header ID
GRAVI.2025-03-28T05:27:25.812
Date updated
2025-03-28 05:40:54 UTC+0000
Release date
2026-03-28 05:40:53 UTC+0000
UTC Start
2025-03-28 05:27:25.812
UTC End
2025-03-28 05:31:25.812
MJD Start
60762.22738208
MJD End
60762.230159857776
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.004634
Ambient temperature (°C)
13.14
Seeing (arcsec)
0.495
Observation
ID
65924
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
49074
Name
3_Boo
RA
206.680399
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 67.7690 67.9080 275.2000 274.7000
K0-D0 88.3430 88.9530 261.2000 260.8000
K0-J3 44.8050 44.4300 319.8240 319.9340
G2-D0 27.9110 28.2500 225.2000 225.5000
G2-J3 47.7240 48.3080 53.9510 53.9960
D0-J3 75.4310 76.3610 50.7360 50.8460
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 60762.22738208
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME 3-Boo
HIERARCH ESO INS SOBJ NAME 3_Boo
RA 206.680399
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 67.769
HIERARCH ESO ISS PBL12 END 67.908
HIERARCH ESO ISS PBLA12 START 275.2
HIERARCH ESO ISS PBLA12 END 274.7
HIERARCH ESO ISS PBL13 START 88.343
HIERARCH ESO ISS PBL13 END 88.953
HIERARCH ESO ISS PBLA13 START 261.2
HIERARCH ESO ISS PBLA13 END 260.8
HIERARCH ESO ISS PBL14 START 44.805
HIERARCH ESO ISS PBL14 END 44.43
HIERARCH ESO ISS PBLA14 START 319.824
HIERARCH ESO ISS PBLA14 END 319.934
HIERARCH ESO ISS PBL23 START 27.911
HIERARCH ESO ISS PBL23 END 28.25
HIERARCH ESO ISS PBLA23 START 225.2
HIERARCH ESO ISS PBLA23 END 225.5
HIERARCH ESO ISS PBL24 START 47.724
HIERARCH ESO ISS PBL24 END 48.308
HIERARCH ESO ISS PBLA24 START 53.951
HIERARCH ESO ISS PBLA24 END 53.996
HIERARCH ESO ISS PBL34 START 75.431
HIERARCH ESO ISS PBL34 END 76.361
HIERARCH ESO ISS PBLA34 START 50.736
HIERARCH ESO ISS PBLA34 END 50.846
HIERARCH ESO ISS AMBI TAU0 START 0.004802
HIERARCH ESO ISS AMBI TAU0 END 0.004466
HIERARCH ESO ISS AMBI TEMP 13.14
HIERARCH ESO ISS AMBI FWHM START 0.54
HIERARCH ESO ISS AMBI FWHM END 0.45