Exposure
ID
GRAVI.2025-02-22T02:38:40.693_1
Header ID
GRAVI.2025-02-22T02:38:40.693
Date updated
2025-02-22 02:50:44 UTC+0000
Release date
2025-02-22 02:38:40 UTC+0000
UTC Start
2025-02-22 02:38:40.693
UTC End
2025-02-22 02:45:20.693
MJD Start
60728.11019321
MJD End
60728.11482283963
Exposure time (s)
400.0
Validation level
1
Tau 0: Coherence time (s)
0.0065095
Ambient temperature (°C)
14.81
Seeing (arcsec)
0.9600000000000001
Observation
ID
64780
Category
calibrator
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
48241
Name
HD_47950
RA
99.637104
DEC
-47.73353
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 B5 J2 J6
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B5 47.1830 47.2570 161.5000 162.5000
A0-J2 125.8300 125.2410 109.0000 110.4000
A0-J6 148.8730 147.8180 38.5040 39.2860
B5-J2 104.0700 103.2050 88.0000 89.2000
B5-J6 179.0200 178.1760 25.7390 26.4730
J2-J6 159.7300 159.8950 350.5360 351.4490
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 114.27CL.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 60728.11019321
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 47950
HIERARCH ESO INS SOBJ NAME HD_47950
RA 99.637104
DEC -47.73353
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 B5
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 J6
EXPTIME 414.0
HIERARCH ESO DET2 SEQ1 DIT 100.0
HIERARCH ESO DET2 NDIT 4
HIERARCH ESO ISS PBL12 START 47.183
HIERARCH ESO ISS PBL12 END 47.257
HIERARCH ESO ISS PBLA12 START 161.5
HIERARCH ESO ISS PBLA12 END 162.5
HIERARCH ESO ISS PBL13 START 125.83
HIERARCH ESO ISS PBL13 END 125.241
HIERARCH ESO ISS PBLA13 START 109.0
HIERARCH ESO ISS PBLA13 END 110.4
HIERARCH ESO ISS PBL14 START 148.873
HIERARCH ESO ISS PBL14 END 147.818
HIERARCH ESO ISS PBLA14 START 38.504
HIERARCH ESO ISS PBLA14 END 39.286
HIERARCH ESO ISS PBL23 START 104.07
HIERARCH ESO ISS PBL23 END 103.205
HIERARCH ESO ISS PBLA23 START 88.0
HIERARCH ESO ISS PBLA23 END 89.2
HIERARCH ESO ISS PBL24 START 179.02
HIERARCH ESO ISS PBL24 END 178.176
HIERARCH ESO ISS PBLA24 START 25.739
HIERARCH ESO ISS PBLA24 END 26.473
HIERARCH ESO ISS PBL34 START 159.73
HIERARCH ESO ISS PBL34 END 159.895
HIERARCH ESO ISS PBLA34 START 350.536
HIERARCH ESO ISS PBLA34 END 351.449
HIERARCH ESO ISS AMBI TAU0 START 0.007757
HIERARCH ESO ISS AMBI TAU0 END 0.005262
HIERARCH ESO ISS AMBI TEMP 14.81
HIERARCH ESO ISS AMBI FWHM START 0.8
HIERARCH ESO ISS AMBI FWHM END 1.12