Exposure
ID
GRAVI.2025-03-20T03:05:28.633_1
Header ID
GRAVI.2025-03-20T03:05:28.633
Date updated
2025-03-20 03:15:54 UTC+0000
Release date
2026-03-20 03:15:54 UTC+0000
UTC Start
2025-03-20 03:05:28.633
UTC End
2025-03-20 03:09:28.633
MJD Start
60754.12880362
MJD End
60754.13158139778
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.007182
Ambient temperature (°C)
15.89
Seeing (arcsec)
0.585
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 90.0600 90.0840 154.1000 155.1000
A0-J2 125.9470 125.8290 140.2000 141.3000
A0-K0 111.1160 110.7870 125.2340 126.3620
G1-J2 44.1470 43.9220 111.0000 112.1000
G1-K0 54.1410 53.7010 71.8050 72.6600
J2-K0 34.2700 34.2040 17.3400 17.9940
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 60754.12880362
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 90.06
HIERARCH ESO ISS PBL12 END 90.084
HIERARCH ESO ISS PBLA12 START 154.1
HIERARCH ESO ISS PBLA12 END 155.1
HIERARCH ESO ISS PBL13 START 125.947
HIERARCH ESO ISS PBL13 END 125.829
HIERARCH ESO ISS PBLA13 START 140.2
HIERARCH ESO ISS PBLA13 END 141.3
HIERARCH ESO ISS PBL14 START 111.116
HIERARCH ESO ISS PBL14 END 110.787
HIERARCH ESO ISS PBLA14 START 125.234
HIERARCH ESO ISS PBLA14 END 126.362
HIERARCH ESO ISS PBL23 START 44.147
HIERARCH ESO ISS PBL23 END 43.922
HIERARCH ESO ISS PBLA23 START 111.0
HIERARCH ESO ISS PBLA23 END 112.1
HIERARCH ESO ISS PBL24 START 54.141
HIERARCH ESO ISS PBL24 END 53.701
HIERARCH ESO ISS PBLA24 START 71.805
HIERARCH ESO ISS PBLA24 END 72.66
HIERARCH ESO ISS PBL34 START 34.27
HIERARCH ESO ISS PBL34 END 34.204
HIERARCH ESO ISS PBLA34 START 17.34
HIERARCH ESO ISS PBLA34 END 17.994
HIERARCH ESO ISS AMBI TAU0 START 0.007282
HIERARCH ESO ISS AMBI TAU0 END 0.007082
HIERARCH ESO ISS AMBI TEMP 15.89
HIERARCH ESO ISS AMBI FWHM START 0.52
HIERARCH ESO ISS AMBI FWHM END 0.65