Exposure
ID
GRAVI.2025-04-01T04:53:21.482_1
Header ID
GRAVI.2025-04-01T04:53:21.482
Date updated
2025-04-01 05:05:56 UTC+0000
Release date
2026-04-01 05:05:56 UTC+0000
UTC Start
2025-04-01 04:53:21.482
UTC End
2025-04-01 04:57:21.482
MJD Start
60766.20372086
MJD End
60766.20649863778
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.0132935
Ambient temperature (°C)
13.77
Seeing (arcsec)
0.3
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 66.9560 67.1760 277.3000 276.8000
K0-D0 85.4330 86.1520 262.9000 262.5000
K0-J3 46.3730 46.0160 319.4890 319.5460
G2-D0 26.4200 26.7710 224.0000 224.3000
G2-J3 45.1130 45.7340 53.5700 53.6860
D0-J3 71.3030 72.2810 50.0490 50.2390
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 60766.20372086
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 66.956
HIERARCH ESO ISS PBL12 END 67.176
HIERARCH ESO ISS PBLA12 START 277.3
HIERARCH ESO ISS PBLA12 END 276.8
HIERARCH ESO ISS PBL13 START 85.433
HIERARCH ESO ISS PBL13 END 86.152
HIERARCH ESO ISS PBLA13 START 262.9
HIERARCH ESO ISS PBLA13 END 262.5
HIERARCH ESO ISS PBL14 START 46.373
HIERARCH ESO ISS PBL14 END 46.016
HIERARCH ESO ISS PBLA14 START 319.489
HIERARCH ESO ISS PBLA14 END 319.546
HIERARCH ESO ISS PBL23 START 26.42
HIERARCH ESO ISS PBL23 END 26.771
HIERARCH ESO ISS PBLA23 START 224.0
HIERARCH ESO ISS PBLA23 END 224.3
HIERARCH ESO ISS PBL24 START 45.113
HIERARCH ESO ISS PBL24 END 45.734
HIERARCH ESO ISS PBLA24 START 53.57
HIERARCH ESO ISS PBLA24 END 53.686
HIERARCH ESO ISS PBL34 START 71.303
HIERARCH ESO ISS PBL34 END 72.281
HIERARCH ESO ISS PBLA34 START 50.049
HIERARCH ESO ISS PBLA34 END 50.239
HIERARCH ESO ISS AMBI TAU0 START 0.012799
HIERARCH ESO ISS AMBI TAU0 END 0.013788
HIERARCH ESO ISS AMBI TEMP 13.77
HIERARCH ESO ISS AMBI FWHM START 0.31
HIERARCH ESO ISS AMBI FWHM END 0.29