Exposure
ID
GRAVI.2025-03-20T03:19:25.669_1
Header ID
GRAVI.2025-03-20T03:19:25.669
Date updated
2025-03-20 03:30:54 UTC+0000
Release date
2026-03-20 03:30:54 UTC+0000
UTC Start
2025-03-20 03:19:25.669
UTC End
2025-03-20 03:23:25.669
MJD Start
60754.13849154
MJD End
60754.14126931778
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.0060295
Ambient temperature (°C)
15.88
Seeing (arcsec)
0.655
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 90.1330 90.1530 157.3000 158.3000
A0-J2 125.5660 125.4520 143.7000 144.8000
A0-K0 110.0500 109.7280 128.9330 130.0760
G1-J2 43.4130 43.1890 114.7000 115.8000
G1-K0 52.6890 52.2360 74.6170 75.4900
J2-K0 34.0430 33.9680 19.4760 20.1300
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 60754.13849154
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 90.133
HIERARCH ESO ISS PBL12 END 90.153
HIERARCH ESO ISS PBLA12 START 157.3
HIERARCH ESO ISS PBLA12 END 158.3
HIERARCH ESO ISS PBL13 START 125.566
HIERARCH ESO ISS PBL13 END 125.452
HIERARCH ESO ISS PBLA13 START 143.7
HIERARCH ESO ISS PBLA13 END 144.8
HIERARCH ESO ISS PBL14 START 110.05
HIERARCH ESO ISS PBL14 END 109.728
HIERARCH ESO ISS PBLA14 START 128.933
HIERARCH ESO ISS PBLA14 END 130.076
HIERARCH ESO ISS PBL23 START 43.413
HIERARCH ESO ISS PBL23 END 43.189
HIERARCH ESO ISS PBLA23 START 114.7
HIERARCH ESO ISS PBLA23 END 115.8
HIERARCH ESO ISS PBL24 START 52.689
HIERARCH ESO ISS PBL24 END 52.236
HIERARCH ESO ISS PBLA24 START 74.617
HIERARCH ESO ISS PBLA24 END 75.49
HIERARCH ESO ISS PBL34 START 34.043
HIERARCH ESO ISS PBL34 END 33.968
HIERARCH ESO ISS PBLA34 START 19.476
HIERARCH ESO ISS PBLA34 END 20.13
HIERARCH ESO ISS AMBI TAU0 START 0.00668
HIERARCH ESO ISS AMBI TAU0 END 0.005379
HIERARCH ESO ISS AMBI TEMP 15.88
HIERARCH ESO ISS AMBI FWHM START 0.58
HIERARCH ESO ISS AMBI FWHM END 0.73