Exposure
ID
GRAVI.2025-02-22T01:50:16.570_1
Header ID
GRAVI.2025-02-22T01:50:16.570
Date updated
2025-02-22 02:05:36 UTC+0000
Release date
2026-02-22 02:05:36 UTC+0000
UTC Start
2025-02-22 01:50:16.570
UTC End
2025-02-22 01:56:56.570
MJD Start
60728.07658067
MJD End
60728.08121029963
Exposure time (s)
400.0
Validation level
1
Tau 0: Coherence time (s)
0.0081
Ambient temperature (°C)
15.28
Seeing (arcsec)
0.9950000000000001
Observation
ID
64779
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
48240
Name
HD_46999
RA
98.488608
DEC
-47.31179
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 46.6610 46.7750 155.4000 156.3000
A0-J2 128.4970 128.1920 100.5000 101.8000
A0-J6 155.0310 154.2340 33.2390 34.0740
B5-J2 108.5350 107.9530 80.0000 81.2000
B5-J6 184.1280 183.5060 20.8460 21.6250
J2-J6 158.6420 158.9270 344.8900 345.7740
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 60728.07658067
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 46999
HIERARCH ESO INS SOBJ NAME HD_46999
RA 98.488608
DEC -47.31179
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 46.661
HIERARCH ESO ISS PBL12 END 46.775
HIERARCH ESO ISS PBLA12 START 155.4
HIERARCH ESO ISS PBLA12 END 156.3
HIERARCH ESO ISS PBL13 START 128.497
HIERARCH ESO ISS PBL13 END 128.192
HIERARCH ESO ISS PBLA13 START 100.5
HIERARCH ESO ISS PBLA13 END 101.8
HIERARCH ESO ISS PBL14 START 155.031
HIERARCH ESO ISS PBL14 END 154.234
HIERARCH ESO ISS PBLA14 START 33.239
HIERARCH ESO ISS PBLA14 END 34.074
HIERARCH ESO ISS PBL23 START 108.535
HIERARCH ESO ISS PBL23 END 107.953
HIERARCH ESO ISS PBLA23 START 80.0
HIERARCH ESO ISS PBLA23 END 81.2
HIERARCH ESO ISS PBL24 START 184.128
HIERARCH ESO ISS PBL24 END 183.506
HIERARCH ESO ISS PBLA24 START 20.846
HIERARCH ESO ISS PBLA24 END 21.625
HIERARCH ESO ISS PBL34 START 158.642
HIERARCH ESO ISS PBL34 END 158.927
HIERARCH ESO ISS PBLA34 START 344.89
HIERARCH ESO ISS PBLA34 END 345.774
HIERARCH ESO ISS AMBI TAU0 START 0.006241
HIERARCH ESO ISS AMBI TAU0 END 0.009959
HIERARCH ESO ISS AMBI TEMP 15.28
HIERARCH ESO ISS AMBI FWHM START 1.12
HIERARCH ESO ISS AMBI FWHM END 0.87