Exposure
ID
GRAVI.2025-03-20T03:24:01.681_1
Header ID
GRAVI.2025-03-20T03:24:01.681
Date updated
2025-03-20 03:35:47 UTC+0000
Release date
2026-03-20 03:35:46 UTC+0000
UTC Start
2025-03-20 03:24:01.681
UTC End
2025-03-20 03:28:01.681
MJD Start
60754.14168612
MJD End
60754.14446389778
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.0052225
Ambient temperature (°C)
15.71
Seeing (arcsec)
0.745
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 90.1540 90.1720 158.3000 159.3000
A0-J2 125.4430 125.3300 144.9000 146.0000
A0-K0 109.7030 109.3840 130.1660 131.3140
G1-J2 43.1710 42.9480 115.9000 117.0000
G1-K0 52.2000 51.7430 75.5580 76.4370
J2-K0 33.9620 33.8840 20.1820 20.8350
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 60754.14168612
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 90.154
HIERARCH ESO ISS PBL12 END 90.172
HIERARCH ESO ISS PBLA12 START 158.3
HIERARCH ESO ISS PBLA12 END 159.3
HIERARCH ESO ISS PBL13 START 125.443
HIERARCH ESO ISS PBL13 END 125.33
HIERARCH ESO ISS PBLA13 START 144.9
HIERARCH ESO ISS PBLA13 END 146.0
HIERARCH ESO ISS PBL14 START 109.703
HIERARCH ESO ISS PBL14 END 109.384
HIERARCH ESO ISS PBLA14 START 130.166
HIERARCH ESO ISS PBLA14 END 131.314
HIERARCH ESO ISS PBL23 START 43.171
HIERARCH ESO ISS PBL23 END 42.948
HIERARCH ESO ISS PBLA23 START 115.9
HIERARCH ESO ISS PBLA23 END 117.0
HIERARCH ESO ISS PBL24 START 52.2
HIERARCH ESO ISS PBL24 END 51.743
HIERARCH ESO ISS PBLA24 START 75.558
HIERARCH ESO ISS PBLA24 END 76.437
HIERARCH ESO ISS PBL34 START 33.962
HIERARCH ESO ISS PBL34 END 33.884
HIERARCH ESO ISS PBLA34 START 20.182
HIERARCH ESO ISS PBLA34 END 20.835
HIERARCH ESO ISS AMBI TAU0 START 0.005379
HIERARCH ESO ISS AMBI TAU0 END 0.005066
HIERARCH ESO ISS AMBI TEMP 15.71
HIERARCH ESO ISS AMBI FWHM START 0.73
HIERARCH ESO ISS AMBI FWHM END 0.76