Exposure
ID
GRAVI.2025-03-28T05:42:40.850_1
Header ID
GRAVI.2025-03-28T05:42:40.850
Date updated
2025-03-28 05:55:49 UTC+0000
Release date
2025-03-28 05:42:40 UTC+0000
UTC Start
2025-03-28 05:42:40.850
UTC End
2025-03-28 05:46:40.850
MJD Start
60762.2379728
MJD End
60762.24075057778
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.005846
Ambient temperature (°C)
13.29
Seeing (arcsec)
0.405
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 68.0960 68.1840 274.1000 273.6000
K0-D0 89.7060 90.2540 260.7000 260.3000
K0-J3 43.1520 42.7540 319.3700 319.5050
G2-D0 28.2880 28.6290 226.8000 226.9000
G2-J3 48.5880 49.1610 55.0430 55.0280
D0-J3 76.6900 77.6100 52.0040 52.0530
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 60762.2379728
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 68.096
HIERARCH ESO ISS PBL12 END 68.184
HIERARCH ESO ISS PBLA12 START 274.1
HIERARCH ESO ISS PBLA12 END 273.6
HIERARCH ESO ISS PBL13 START 89.706
HIERARCH ESO ISS PBL13 END 90.254
HIERARCH ESO ISS PBLA13 START 260.7
HIERARCH ESO ISS PBLA13 END 260.3
HIERARCH ESO ISS PBL14 START 43.152
HIERARCH ESO ISS PBL14 END 42.754
HIERARCH ESO ISS PBLA14 START 319.37
HIERARCH ESO ISS PBLA14 END 319.505
HIERARCH ESO ISS PBL23 START 28.288
HIERARCH ESO ISS PBL23 END 28.629
HIERARCH ESO ISS PBLA23 START 226.8
HIERARCH ESO ISS PBLA23 END 226.9
HIERARCH ESO ISS PBL24 START 48.588
HIERARCH ESO ISS PBL24 END 49.161
HIERARCH ESO ISS PBLA24 START 55.043
HIERARCH ESO ISS PBLA24 END 55.028
HIERARCH ESO ISS PBL34 START 76.69
HIERARCH ESO ISS PBL34 END 77.61
HIERARCH ESO ISS PBLA34 START 52.004
HIERARCH ESO ISS PBLA34 END 52.053
HIERARCH ESO ISS AMBI TAU0 START 0.00582
HIERARCH ESO ISS AMBI TAU0 END 0.005872
HIERARCH ESO ISS AMBI TEMP 13.29
HIERARCH ESO ISS AMBI FWHM START 0.4
HIERARCH ESO ISS AMBI FWHM END 0.41