Exposure
ID
GRAVI.2025-03-20T02:18:19.513_1
Header ID
GRAVI.2025-03-20T02:18:19.513
Date updated
2025-03-20 02:30:40 UTC+0000
Release date
2026-03-20 02:30:40 UTC+0000
UTC Start
2025-03-20 02:18:19.513
UTC End
2025-03-20 02:22:19.513
MJD Start
60754.09605918
MJD End
60754.09883695778
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.0077395
Ambient temperature (°C)
16.84
Seeing (arcsec)
0.5800000000000001
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 90.4180 90.4400 138.3000 139.2000
A0-J2 125.9280 125.7020 121.0000 122.0000
A0-K0 114.5670 114.0630 102.6990 103.6950
G1-J2 47.9090 47.6100 86.8000 87.7000
G1-K0 66.7520 66.3240 50.6560 51.2940
J2-K0 39.7910 39.7660 5.4690 6.0420
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 60754.09605918
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 90.418
HIERARCH ESO ISS PBL12 END 90.44
HIERARCH ESO ISS PBLA12 START 138.3
HIERARCH ESO ISS PBLA12 END 139.2
HIERARCH ESO ISS PBL13 START 125.928
HIERARCH ESO ISS PBL13 END 125.702
HIERARCH ESO ISS PBLA13 START 121.0
HIERARCH ESO ISS PBLA13 END 122.0
HIERARCH ESO ISS PBL14 START 114.567
HIERARCH ESO ISS PBL14 END 114.063
HIERARCH ESO ISS PBLA14 START 102.699
HIERARCH ESO ISS PBLA14 END 103.695
HIERARCH ESO ISS PBL23 START 47.909
HIERARCH ESO ISS PBL23 END 47.61
HIERARCH ESO ISS PBLA23 START 86.8
HIERARCH ESO ISS PBLA23 END 87.7
HIERARCH ESO ISS PBL24 START 66.752
HIERARCH ESO ISS PBL24 END 66.324
HIERARCH ESO ISS PBLA24 START 50.656
HIERARCH ESO ISS PBLA24 END 51.294
HIERARCH ESO ISS PBL34 START 39.791
HIERARCH ESO ISS PBL34 END 39.766
HIERARCH ESO ISS PBLA34 START 5.469
HIERARCH ESO ISS PBLA34 END 6.042
HIERARCH ESO ISS AMBI TAU0 START 0.006991
HIERARCH ESO ISS AMBI TAU0 END 0.008488
HIERARCH ESO ISS AMBI TEMP 16.84
HIERARCH ESO ISS AMBI FWHM START 0.61
HIERARCH ESO ISS AMBI FWHM END 0.55