Exposure
ID
GRAVI.2025-03-30T05:02:56.772_1
Header ID
GRAVI.2025-03-30T05:02:56.772
Date updated
2025-03-30 05:15:54 UTC+0000
Release date
2026-03-30 05:15:54 UTC+0000
UTC Start
2025-03-30 05:02:56.772
UTC End
2025-03-30 05:06:56.772
MJD Start
60764.2103793
MJD End
60764.21315707778
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.009532
Ambient temperature (°C)
13.84
Seeing (arcsec)
0.485
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 67.0470 67.2590 277.1000 276.6000
K0-D0 85.7240 86.4320 262.8000 262.4000
K0-J3 46.2310 45.8720 319.5090 319.5710
G2-D0 26.5610 26.9100 224.2000 224.5000
G2-J3 45.3630 45.9800 53.6170 53.7260
D0-J3 71.6950 72.6690 50.1260 50.3080
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 60764.2103793
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 67.047
HIERARCH ESO ISS PBL12 END 67.259
HIERARCH ESO ISS PBLA12 START 277.1
HIERARCH ESO ISS PBLA12 END 276.6
HIERARCH ESO ISS PBL13 START 85.724
HIERARCH ESO ISS PBL13 END 86.432
HIERARCH ESO ISS PBLA13 START 262.8
HIERARCH ESO ISS PBLA13 END 262.4
HIERARCH ESO ISS PBL14 START 46.231
HIERARCH ESO ISS PBL14 END 45.872
HIERARCH ESO ISS PBLA14 START 319.509
HIERARCH ESO ISS PBLA14 END 319.571
HIERARCH ESO ISS PBL23 START 26.561
HIERARCH ESO ISS PBL23 END 26.91
HIERARCH ESO ISS PBLA23 START 224.2
HIERARCH ESO ISS PBLA23 END 224.5
HIERARCH ESO ISS PBL24 START 45.363
HIERARCH ESO ISS PBL24 END 45.98
HIERARCH ESO ISS PBLA24 START 53.617
HIERARCH ESO ISS PBLA24 END 53.726
HIERARCH ESO ISS PBL34 START 71.695
HIERARCH ESO ISS PBL34 END 72.669
HIERARCH ESO ISS PBLA34 START 50.126
HIERARCH ESO ISS PBLA34 END 50.308
HIERARCH ESO ISS AMBI TAU0 START 0.009563
HIERARCH ESO ISS AMBI TAU0 END 0.009501
HIERARCH ESO ISS AMBI TEMP 13.84
HIERARCH ESO ISS AMBI FWHM START 0.45
HIERARCH ESO ISS AMBI FWHM END 0.52