Exposure
ID
GRAVI.2025-03-20T02:09:07.490_1
Header ID
GRAVI.2025-03-20T02:09:07.490
Date updated
2025-03-20 02:20:48 UTC+0000
Release date
2026-03-20 02:20:48 UTC+0000
UTC Start
2025-03-20 02:09:07.490
UTC End
2025-03-20 02:13:07.490
MJD Start
60754.08967002
MJD End
60754.09244779778
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.007143
Ambient temperature (°C)
16.88
Seeing (arcsec)
0.7050000000000001
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 90.3570 90.3870 136.3000 137.2000
A0-J2 126.3970 126.1830 118.8000 119.8000
A0-K0 115.6260 115.1390 100.5780 101.5580
G1-J2 48.5380 48.2490 84.8000 85.7000
G1-K0 67.6490 67.2370 49.2850 49.9210
J2-K0 39.8370 39.8170 4.2290 4.8030
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 60754.08967002
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 90.357
HIERARCH ESO ISS PBL12 END 90.387
HIERARCH ESO ISS PBLA12 START 136.3
HIERARCH ESO ISS PBLA12 END 137.2
HIERARCH ESO ISS PBL13 START 126.397
HIERARCH ESO ISS PBL13 END 126.183
HIERARCH ESO ISS PBLA13 START 118.8
HIERARCH ESO ISS PBLA13 END 119.8
HIERARCH ESO ISS PBL14 START 115.626
HIERARCH ESO ISS PBL14 END 115.139
HIERARCH ESO ISS PBLA14 START 100.578
HIERARCH ESO ISS PBLA14 END 101.558
HIERARCH ESO ISS PBL23 START 48.538
HIERARCH ESO ISS PBL23 END 48.249
HIERARCH ESO ISS PBLA23 START 84.8
HIERARCH ESO ISS PBLA23 END 85.7
HIERARCH ESO ISS PBL24 START 67.649
HIERARCH ESO ISS PBL24 END 67.237
HIERARCH ESO ISS PBLA24 START 49.285
HIERARCH ESO ISS PBLA24 END 49.921
HIERARCH ESO ISS PBL34 START 39.837
HIERARCH ESO ISS PBL34 END 39.817
HIERARCH ESO ISS PBLA34 START 4.229
HIERARCH ESO ISS PBLA34 END 4.803
HIERARCH ESO ISS AMBI TAU0 START 0.006219
HIERARCH ESO ISS AMBI TAU0 END 0.008067
HIERARCH ESO ISS AMBI TEMP 16.88
HIERARCH ESO ISS AMBI FWHM START 0.79
HIERARCH ESO ISS AMBI FWHM END 0.62