Exposure
ID
GRAVI.2025-03-20T02:13:43.501_1
Header ID
GRAVI.2025-03-20T02:13:43.501
Date updated
2025-03-20 02:25:38 UTC+0000
Release date
2026-03-20 02:25:38 UTC+0000
UTC Start
2025-03-20 02:13:43.501
UTC End
2025-03-20 02:17:43.501
MJD Start
60754.0928646
MJD End
60754.09564237778
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.007528999999999999
Ambient temperature (°C)
16.82
Seeing (arcsec)
0.615
Observation
ID
65707
Category
science
Program ID
114.27CL.001
Program Title
CALIBRATING ASTEROSEISMOLOGY SCALING RELATION BY VLTI OBSERVATION ON GAIA BINARIES
Program Type
Normal
PI / COI
LU / KRAUS / GARDNER
Target
ID
48883
Name
HD_57919
RA
109.879946
DEC
-61.14492
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 90.3900 90.4160 137.3000 138.2000
A0-J2 126.1650 125.9440 119.9000 120.9000
A0-K0 115.0990 114.6020 101.6390 102.6290
G1-J2 48.2250 47.9300 85.8000 86.7000
G1-K0 67.2030 66.7820 49.9730 50.6110
J2-K0 39.8160 39.7930 4.8500 5.4260
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 114.27CL.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60754.0928646
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 57919
HIERARCH ESO INS SOBJ NAME HD_57919
RA 109.879946
DEC -61.14492
HIERARCH ESO INS SPEC RES HIGH
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 256.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 8
HIERARCH ESO ISS PBL12 START 90.39
HIERARCH ESO ISS PBL12 END 90.416
HIERARCH ESO ISS PBLA12 START 137.3
HIERARCH ESO ISS PBLA12 END 138.2
HIERARCH ESO ISS PBL13 START 126.165
HIERARCH ESO ISS PBL13 END 125.944
HIERARCH ESO ISS PBLA13 START 119.9
HIERARCH ESO ISS PBLA13 END 120.9
HIERARCH ESO ISS PBL14 START 115.099
HIERARCH ESO ISS PBL14 END 114.602
HIERARCH ESO ISS PBLA14 START 101.639
HIERARCH ESO ISS PBLA14 END 102.629
HIERARCH ESO ISS PBL23 START 48.225
HIERARCH ESO ISS PBL23 END 47.93
HIERARCH ESO ISS PBLA23 START 85.8
HIERARCH ESO ISS PBLA23 END 86.7
HIERARCH ESO ISS PBL24 START 67.203
HIERARCH ESO ISS PBL24 END 66.782
HIERARCH ESO ISS PBLA24 START 49.973
HIERARCH ESO ISS PBLA24 END 50.611
HIERARCH ESO ISS PBL34 START 39.816
HIERARCH ESO ISS PBL34 END 39.793
HIERARCH ESO ISS PBLA34 START 4.85
HIERARCH ESO ISS PBLA34 END 5.426
HIERARCH ESO ISS AMBI TAU0 START 0.008067
HIERARCH ESO ISS AMBI TAU0 END 0.006991
HIERARCH ESO ISS AMBI TEMP 16.82
HIERARCH ESO ISS AMBI FWHM START 0.62
HIERARCH ESO ISS AMBI FWHM END 0.61