Exposure
ID
GRAVI.2025-05-24T01:44:47.178_1
Header ID
GRAVI.2025-05-24T01:44:47.178
Date updated
2025-05-24 02:00:57 UTC+0000
Release date
2026-05-24 02:00:56 UTC+0000
UTC Start
2025-05-24 01:44:47.178
UTC End
2025-05-24 01:48:47.178
MJD Start
60819.07276826
MJD End
60819.07554603778
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.0033455
Ambient temperature (°C)
12.69
Seeing (arcsec)
0.6950000000000001
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 67.8200 67.9520 275.0000 274.6000
K0-D0 88.5590 89.1590 261.1000 260.7000
K0-J3 44.6730 44.2960 319.8560 319.9780
G2-D0 28.0290 28.3680 225.3000 225.5000
G2-J3 47.9280 48.5090 53.9670 54.0140
D0-J3 75.7560 76.6810 50.7740 50.8870
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 60819.07276826
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 67.82
HIERARCH ESO ISS PBL12 END 67.952
HIERARCH ESO ISS PBLA12 START 275.0
HIERARCH ESO ISS PBLA12 END 274.6
HIERARCH ESO ISS PBL13 START 88.559
HIERARCH ESO ISS PBL13 END 89.159
HIERARCH ESO ISS PBLA13 START 261.1
HIERARCH ESO ISS PBLA13 END 260.7
HIERARCH ESO ISS PBL14 START 44.673
HIERARCH ESO ISS PBL14 END 44.296
HIERARCH ESO ISS PBLA14 START 319.856
HIERARCH ESO ISS PBLA14 END 319.978
HIERARCH ESO ISS PBL23 START 28.029
HIERARCH ESO ISS PBL23 END 28.368
HIERARCH ESO ISS PBLA23 START 225.3
HIERARCH ESO ISS PBLA23 END 225.5
HIERARCH ESO ISS PBL24 START 47.928
HIERARCH ESO ISS PBL24 END 48.509
HIERARCH ESO ISS PBLA24 START 53.967
HIERARCH ESO ISS PBLA24 END 54.014
HIERARCH ESO ISS PBL34 START 75.756
HIERARCH ESO ISS PBL34 END 76.681
HIERARCH ESO ISS PBLA34 START 50.774
HIERARCH ESO ISS PBLA34 END 50.887
HIERARCH ESO ISS AMBI TAU0 START 0.003643
HIERARCH ESO ISS AMBI TAU0 END 0.003048
HIERARCH ESO ISS AMBI TEMP 12.69
HIERARCH ESO ISS AMBI FWHM START 0.66
HIERARCH ESO ISS AMBI FWHM END 0.73