Exposure
ID
GRAVI.2025-03-20T03:14:49.657_1
Header ID
GRAVI.2025-03-20T03:14:49.657
Date updated
2025-03-20 03:25:57 UTC+0000
Release date
2026-03-20 03:25:57 UTC+0000
UTC Start
2025-03-20 03:14:49.657
UTC End
2025-03-20 03:18:49.657
MJD Start
60754.13529696
MJD End
60754.13807473778
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.0063465
Ambient temperature (°C)
15.86
Seeing (arcsec)
0.665
Observation
ID
65710
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
48886
Name
HD_52302
RA
103.663906
DEC
-70.03645
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 90.1110 90.1320 156.2000 157.2000
A0-J2 125.6910 125.5760 142.6000 143.7000
A0-K0 110.4010 110.0760 127.7020 128.8400
G1-J2 43.6560 43.4310 113.4000 114.6000
G1-K0 53.1750 52.7260 73.6790 74.5450
J2-K0 34.1210 34.0490 18.7690 19.4230
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 60754.13529696
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 52302
HIERARCH ESO INS SOBJ NAME HD_52302
RA 103.663906
DEC -70.03645
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 90.111
HIERARCH ESO ISS PBL12 END 90.132
HIERARCH ESO ISS PBLA12 START 156.2
HIERARCH ESO ISS PBLA12 END 157.2
HIERARCH ESO ISS PBL13 START 125.691
HIERARCH ESO ISS PBL13 END 125.576
HIERARCH ESO ISS PBLA13 START 142.6
HIERARCH ESO ISS PBLA13 END 143.7
HIERARCH ESO ISS PBL14 START 110.401
HIERARCH ESO ISS PBL14 END 110.076
HIERARCH ESO ISS PBLA14 START 127.702
HIERARCH ESO ISS PBLA14 END 128.84
HIERARCH ESO ISS PBL23 START 43.656
HIERARCH ESO ISS PBL23 END 43.431
HIERARCH ESO ISS PBLA23 START 113.4
HIERARCH ESO ISS PBLA23 END 114.6
HIERARCH ESO ISS PBL24 START 53.175
HIERARCH ESO ISS PBL24 END 52.726
HIERARCH ESO ISS PBLA24 START 73.679
HIERARCH ESO ISS PBLA24 END 74.545
HIERARCH ESO ISS PBL34 START 34.121
HIERARCH ESO ISS PBL34 END 34.049
HIERARCH ESO ISS PBLA34 START 18.769
HIERARCH ESO ISS PBLA34 END 19.423
HIERARCH ESO ISS AMBI TAU0 START 0.007084
HIERARCH ESO ISS AMBI TAU0 END 0.005609
HIERARCH ESO ISS AMBI TEMP 15.86
HIERARCH ESO ISS AMBI FWHM START 0.65
HIERARCH ESO ISS AMBI FWHM END 0.68