Exposure
ID
GRAVI.2025-04-01T05:07:27.518_1
Header ID
GRAVI.2025-04-01T05:07:27.518
Date updated
2025-04-01 05:20:56 UTC+0000
Release date
2025-04-01 05:07:27 UTC+0000
UTC Start
2025-04-01 05:07:27.518
UTC End
2025-04-01 05:11:27.518
MJD Start
60766.21351294
MJD End
60766.21629071778
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.0162575
Ambient temperature (°C)
13.54
Seeing (arcsec)
0.27
Observation
ID
65925
Category
calibrator
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
49075
Name
HD_120802
RA
207.800218
DEC
27.12884
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 67.4570 67.6300 276.4000 275.9000
K0-D0 86.8870 87.5480 262.7000 262.3000
K0-J3 44.9180 44.5400 318.9380 319.0090
G2-D0 26.6920 27.0460 225.8000 226.1000
G2-J3 45.8520 46.4660 54.9400 54.9890
D0-J3 72.3310 73.3040 51.5880 51.7090
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 113.26BP.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 60766.21351294
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD120802
HIERARCH ESO INS SOBJ NAME HD_120802
RA 207.800218
DEC 27.12884
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 67.457
HIERARCH ESO ISS PBL12 END 67.63
HIERARCH ESO ISS PBLA12 START 276.4
HIERARCH ESO ISS PBLA12 END 275.9
HIERARCH ESO ISS PBL13 START 86.887
HIERARCH ESO ISS PBL13 END 87.548
HIERARCH ESO ISS PBLA13 START 262.7
HIERARCH ESO ISS PBLA13 END 262.3
HIERARCH ESO ISS PBL14 START 44.918
HIERARCH ESO ISS PBL14 END 44.54
HIERARCH ESO ISS PBLA14 START 318.938
HIERARCH ESO ISS PBLA14 END 319.009
HIERARCH ESO ISS PBL23 START 26.692
HIERARCH ESO ISS PBL23 END 27.046
HIERARCH ESO ISS PBLA23 START 225.8
HIERARCH ESO ISS PBLA23 END 226.1
HIERARCH ESO ISS PBL24 START 45.852
HIERARCH ESO ISS PBL24 END 46.466
HIERARCH ESO ISS PBLA24 START 54.94
HIERARCH ESO ISS PBLA24 END 54.989
HIERARCH ESO ISS PBL34 START 72.331
HIERARCH ESO ISS PBL34 END 73.304
HIERARCH ESO ISS PBLA34 START 51.588
HIERARCH ESO ISS PBLA34 END 51.709
HIERARCH ESO ISS AMBI TAU0 START 0.0182
HIERARCH ESO ISS AMBI TAU0 END 0.014315
HIERARCH ESO ISS AMBI TEMP 13.54
HIERARCH ESO ISS AMBI FWHM START 0.26
HIERARCH ESO ISS AMBI FWHM END 0.28