Exposure
ID
GRAVI.2025-04-23T07:45:45.289_1
Header ID
GRAVI.2025-04-23T07:45:45.289
Date updated
2025-04-23 08:00:45 UTC+0000
Release date
2025-04-23 07:45:45 UTC+0000
UTC Start
2025-04-23 07:45:45.289
UTC End
2025-04-23 07:51:45.289
MJD Start
60788.32344085
MJD End
60788.327607516665
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.0049134999999999995
Ambient temperature (°C)
12.8
Seeing (arcsec)
0.77
Observation
ID
66937
Category
calibrator
Program ID
115.28G0.002
Program Title
VLTI SURVEY ON GAIA BINARIES: STELLAR EVOLUTION AND BINARY FORMATION AT LOW/HIGH METALLICITY
Program Type
Normal
PI / COI
LU / KRAUS / GARDNER
Target
ID
49765
Name
HD_148053
RA
246.493435
DEC
-12.1989
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
MEDIUM-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 87.5080 86.9410 118.6000 119.2000
A0-J2 126.8050 126.0930 95.1000 95.5000
A0-K0 127.2630 126.8710 73.6810 73.9590
G1-J2 58.2000 58.1430 58.3000 58.6000
G1-K0 89.9770 90.0990 30.2590 30.7200
J2-K0 47.2940 47.2690 354.9500 355.6510
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.28G0.002
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 60788.32344085
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 148053
HIERARCH ESO INS SOBJ NAME HD_148053
RA 246.493435
DEC -12.1989
HIERARCH ESO INS SPEC RES MEDIUM
HIERARCH ESO INS POLA MODE COMBINED
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 A0
HIERARCH ESO ISS CONF STATION2 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 K0
EXPTIME 376.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 12
HIERARCH ESO ISS PBL12 START 87.508
HIERARCH ESO ISS PBL12 END 86.941
HIERARCH ESO ISS PBLA12 START 118.6
HIERARCH ESO ISS PBLA12 END 119.2
HIERARCH ESO ISS PBL13 START 126.805
HIERARCH ESO ISS PBL13 END 126.093
HIERARCH ESO ISS PBLA13 START 95.1
HIERARCH ESO ISS PBLA13 END 95.5
HIERARCH ESO ISS PBL14 START 127.263
HIERARCH ESO ISS PBL14 END 126.871
HIERARCH ESO ISS PBLA14 START 73.681
HIERARCH ESO ISS PBLA14 END 73.959
HIERARCH ESO ISS PBL23 START 58.2
HIERARCH ESO ISS PBL23 END 58.143
HIERARCH ESO ISS PBLA23 START 58.3
HIERARCH ESO ISS PBLA23 END 58.6
HIERARCH ESO ISS PBL24 START 89.977
HIERARCH ESO ISS PBL24 END 90.099
HIERARCH ESO ISS PBLA24 START 30.259
HIERARCH ESO ISS PBLA24 END 30.72
HIERARCH ESO ISS PBL34 START 47.294
HIERARCH ESO ISS PBL34 END 47.269
HIERARCH ESO ISS PBLA34 START 354.95
HIERARCH ESO ISS PBLA34 END 355.651
HIERARCH ESO ISS AMBI TAU0 START 0.005863
HIERARCH ESO ISS AMBI TAU0 END 0.003964
HIERARCH ESO ISS AMBI TEMP 12.8
HIERARCH ESO ISS AMBI FWHM START 0.7
HIERARCH ESO ISS AMBI FWHM END 0.84