Exposure
ID
GRAVI.2024-09-10T05:54:26.696_1
Header ID
GRAVI.2024-09-10T05:54:26.696
Date updated
2024-09-10 06:05:32 UTC+0000
Release date
2025-09-10 06:05:32 UTC+0000
UTC Start
2024-09-10 05:54:26.696
UTC End
2024-09-10 05:57:06.696
MJD Start
60563.24614232
MJD End
60563.247994171856
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0037270000000000003
Ambient temperature (°C)
15.56
Seeing (arcsec)
0.78
Observation
ID
60721
Category
science
Program ID
114.272P.001
Program Title
PRECISION MASSES AND ORBITS OF A-TYPE GAIA BINARIES
Program Type
Normal
PI / COI
GARDNER / KRAUS / LU
Target
ID
45157
Name
HD_20504
RA
49.228274
DEC
-31.35236
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
MEDIUM-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 B5 J2 J6
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B5 43.4540 43.6110 137.8000 138.0000
A0-J2 105.6590 106.4020 68.7000 69.2000
A0-J6 169.3400 169.3500 4.6250 5.0390
B5-J2 98.9070 99.3020 44.4000 45.0000
B5-J6 201.5890 201.5980 355.5860 355.9270
J2-J6 155.5120 155.8820 326.9720 327.1360
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 114.272P.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60563.24614232
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 20504
HIERARCH ESO INS SOBJ NAME HD_20504
RA 49.228274
DEC -31.35236
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 B5
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 J6
EXPTIME 176.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 16
HIERARCH ESO ISS PBL12 START 43.454
HIERARCH ESO ISS PBL12 END 43.611
HIERARCH ESO ISS PBLA12 START 137.8
HIERARCH ESO ISS PBLA12 END 138.0
HIERARCH ESO ISS PBL13 START 105.659
HIERARCH ESO ISS PBL13 END 106.402
HIERARCH ESO ISS PBLA13 START 68.7
HIERARCH ESO ISS PBLA13 END 69.2
HIERARCH ESO ISS PBL14 START 169.34
HIERARCH ESO ISS PBL14 END 169.35
HIERARCH ESO ISS PBLA14 START 4.625
HIERARCH ESO ISS PBLA14 END 5.039
HIERARCH ESO ISS PBL23 START 98.907
HIERARCH ESO ISS PBL23 END 99.302
HIERARCH ESO ISS PBLA23 START 44.4
HIERARCH ESO ISS PBLA23 END 45.0
HIERARCH ESO ISS PBL24 START 201.589
HIERARCH ESO ISS PBL24 END 201.598
HIERARCH ESO ISS PBLA24 START 355.586
HIERARCH ESO ISS PBLA24 END 355.927
HIERARCH ESO ISS PBL34 START 155.512
HIERARCH ESO ISS PBL34 END 155.882
HIERARCH ESO ISS PBLA34 START 326.972
HIERARCH ESO ISS PBLA34 END 327.136
HIERARCH ESO ISS AMBI TAU0 START 0.003356
HIERARCH ESO ISS AMBI TAU0 END 0.004098
HIERARCH ESO ISS AMBI TEMP 15.56
HIERARCH ESO ISS AMBI FWHM START 0.85
HIERARCH ESO ISS AMBI FWHM END 0.71