Exposure
ID
GRAVI.2024-10-22T03:16:30.755_1
Header ID
GRAVI.2024-10-22T03:16:30.755
Date updated
2024-10-22 03:30:44 UTC+0000
Release date
2024-10-22 03:16:30 UTC+0000
UTC Start
2024-10-22 03:16:30.755
UTC End
2024-10-22 03:20:30.755
MJD Start
60605.13646707
MJD End
60605.13924484778
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.0021995
Ambient temperature (°C)
11.74
Seeing (arcsec)
1.005
Observation
ID
61094
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
45450
Name
HD_20855
RA
49.723908
DEC
-57.97828
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
MEDIUM-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 74.3040 74.8140 78.8000 79.8000
A0-J2 119.9860 120.3910 56.9000 57.9000
A0-K0 126.9200 127.0250 39.9050 40.8810
G1-J2 58.1140 58.0950 28.3000 29.2000
G1-K0 83.3440 83.3060 5.8840 6.5610
J2-K0 37.0220 37.1840 329.0600 329.5590
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 60605.13646707
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 20855
HIERARCH ESO INS SOBJ NAME HD_20855
RA 49.723908
DEC -57.97828
HIERARCH ESO INS SPEC RES MEDIUM
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 265.0
HIERARCH ESO DET2 SEQ1 DIT 3.0
HIERARCH ESO DET2 NDIT 80
HIERARCH ESO ISS PBL12 START 74.304
HIERARCH ESO ISS PBL12 END 74.814
HIERARCH ESO ISS PBLA12 START 78.8
HIERARCH ESO ISS PBLA12 END 79.8
HIERARCH ESO ISS PBL13 START 119.986
HIERARCH ESO ISS PBL13 END 120.391
HIERARCH ESO ISS PBLA13 START 56.9
HIERARCH ESO ISS PBLA13 END 57.9
HIERARCH ESO ISS PBL14 START 126.92
HIERARCH ESO ISS PBL14 END 127.025
HIERARCH ESO ISS PBLA14 START 39.905
HIERARCH ESO ISS PBLA14 END 40.881
HIERARCH ESO ISS PBL23 START 58.114
HIERARCH ESO ISS PBL23 END 58.095
HIERARCH ESO ISS PBLA23 START 28.3
HIERARCH ESO ISS PBLA23 END 29.2
HIERARCH ESO ISS PBL24 START 83.344
HIERARCH ESO ISS PBL24 END 83.306
HIERARCH ESO ISS PBLA24 START 5.884
HIERARCH ESO ISS PBLA24 END 6.561
HIERARCH ESO ISS PBL34 START 37.022
HIERARCH ESO ISS PBL34 END 37.184
HIERARCH ESO ISS PBLA34 START 329.06
HIERARCH ESO ISS PBLA34 END 329.559
HIERARCH ESO ISS AMBI TAU0 START 0.002362
HIERARCH ESO ISS AMBI TAU0 END 0.002037
HIERARCH ESO ISS AMBI TEMP 11.74
HIERARCH ESO ISS AMBI FWHM START 0.94
HIERARCH ESO ISS AMBI FWHM END 1.07