Exposure
ID
GRAVI.2025-05-22T02:03:08.845_1
Header ID
GRAVI.2025-05-22T02:03:08.845
Date updated
2025-05-22 02:16:06 UTC+0000
Release date
2025-05-22 02:03:08 UTC+0000
UTC Start
2025-05-22 02:03:08.845
UTC End
2025-05-22 02:07:08.845
MJD Start
60817.08551904
MJD End
60817.08829681778
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.005424
Ambient temperature (°C)
14.58
Seeing (arcsec)
0.62
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 68.0150 68.1170 274.5000 274.0000
K0-D0 89.2670 89.8320 261.1000 260.6000
K0-J3 43.4550 43.0620 319.2810 319.4010
G2-D0 28.0220 28.3640 226.7000 226.8000
G2-J3 48.1380 48.7170 55.0530 55.0460
D0-J3 75.9710 76.8970 51.9640 52.0210
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 60817.08551904
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 68.015
HIERARCH ESO ISS PBL12 END 68.117
HIERARCH ESO ISS PBLA12 START 274.5
HIERARCH ESO ISS PBLA12 END 274.0
HIERARCH ESO ISS PBL13 START 89.267
HIERARCH ESO ISS PBL13 END 89.832
HIERARCH ESO ISS PBLA13 START 261.1
HIERARCH ESO ISS PBLA13 END 260.6
HIERARCH ESO ISS PBL14 START 43.455
HIERARCH ESO ISS PBL14 END 43.062
HIERARCH ESO ISS PBLA14 START 319.281
HIERARCH ESO ISS PBLA14 END 319.401
HIERARCH ESO ISS PBL23 START 28.022
HIERARCH ESO ISS PBL23 END 28.364
HIERARCH ESO ISS PBLA23 START 226.7
HIERARCH ESO ISS PBLA23 END 226.8
HIERARCH ESO ISS PBL24 START 48.138
HIERARCH ESO ISS PBL24 END 48.717
HIERARCH ESO ISS PBLA24 START 55.053
HIERARCH ESO ISS PBLA24 END 55.046
HIERARCH ESO ISS PBL34 START 75.971
HIERARCH ESO ISS PBL34 END 76.897
HIERARCH ESO ISS PBLA34 START 51.964
HIERARCH ESO ISS PBLA34 END 52.021
HIERARCH ESO ISS AMBI TAU0 START 0.005512
HIERARCH ESO ISS AMBI TAU0 END 0.005336
HIERARCH ESO ISS AMBI TEMP 14.58
HIERARCH ESO ISS AMBI FWHM START 0.71
HIERARCH ESO ISS AMBI FWHM END 0.53