Exposure
ID
GRAVI.2025-03-30T05:16:23.805_1
Header ID
GRAVI.2025-03-30T05:16:23.805
Date updated
2025-03-30 05:25:57 UTC+0000
Release date
2025-03-30 05:16:23 UTC+0000
UTC Start
2025-03-30 05:16:23.805
UTC End
2025-03-30 05:20:23.805
MJD Start
60764.21971997
MJD End
60764.22249774778
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.0103245
Ambient temperature (°C)
13.77
Seeing (arcsec)
0.38
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 67.5020 67.6700 276.3000 275.8000
K0-D0 87.0560 87.7100 262.6000 262.1000
K0-J3 44.8230 44.4440 318.9520 319.0270
G2-D0 26.7810 27.1340 225.9000 226.1000
G2-J3 46.0070 46.6190 54.9520 54.9970
D0-J3 72.5770 73.5480 51.6180 51.7350
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 60764.21971997
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 67.502
HIERARCH ESO ISS PBL12 END 67.67
HIERARCH ESO ISS PBLA12 START 276.3
HIERARCH ESO ISS PBLA12 END 275.8
HIERARCH ESO ISS PBL13 START 87.056
HIERARCH ESO ISS PBL13 END 87.71
HIERARCH ESO ISS PBLA13 START 262.6
HIERARCH ESO ISS PBLA13 END 262.1
HIERARCH ESO ISS PBL14 START 44.823
HIERARCH ESO ISS PBL14 END 44.444
HIERARCH ESO ISS PBLA14 START 318.952
HIERARCH ESO ISS PBLA14 END 319.027
HIERARCH ESO ISS PBL23 START 26.781
HIERARCH ESO ISS PBL23 END 27.134
HIERARCH ESO ISS PBLA23 START 225.9
HIERARCH ESO ISS PBLA23 END 226.1
HIERARCH ESO ISS PBL24 START 46.007
HIERARCH ESO ISS PBL24 END 46.619
HIERARCH ESO ISS PBLA24 START 54.952
HIERARCH ESO ISS PBLA24 END 54.997
HIERARCH ESO ISS PBL34 START 72.577
HIERARCH ESO ISS PBL34 END 73.548
HIERARCH ESO ISS PBLA34 START 51.618
HIERARCH ESO ISS PBLA34 END 51.735
HIERARCH ESO ISS AMBI TAU0 START 0.01061
HIERARCH ESO ISS AMBI TAU0 END 0.010039
HIERARCH ESO ISS AMBI TEMP 13.77
HIERARCH ESO ISS AMBI FWHM START 0.38
HIERARCH ESO ISS AMBI FWHM END 0.38