Exposure
ID
GRAVI.2024-09-10T05:47:32.679_1
Header ID
GRAVI.2024-09-10T05:47:32.679
Date updated
2024-09-10 05:55:40 UTC+0000
Release date
2025-09-10 05:55:40 UTC+0000
UTC Start
2024-09-10 05:47:32.679
UTC End
2024-09-10 05:50:12.679
MJD Start
60563.24135045
MJD End
60563.243202301855
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0032245
Ambient temperature (°C)
15.77
Seeing (arcsec)
0.96
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 43.0680 43.2310 137.5000 137.6000
A0-J2 103.8520 104.6140 67.4000 67.9000
A0-J6 169.3190 169.3270 3.6330 4.0490
B5-J2 97.9570 98.3550 43.0000 43.6000
B5-J6 201.5650 201.5760 354.7710 355.1130
J2-J6 154.6010 154.9880 326.5900 326.7480
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 60563.24135045
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 43.068
HIERARCH ESO ISS PBL12 END 43.231
HIERARCH ESO ISS PBLA12 START 137.5
HIERARCH ESO ISS PBLA12 END 137.6
HIERARCH ESO ISS PBL13 START 103.852
HIERARCH ESO ISS PBL13 END 104.614
HIERARCH ESO ISS PBLA13 START 67.4
HIERARCH ESO ISS PBLA13 END 67.9
HIERARCH ESO ISS PBL14 START 169.319
HIERARCH ESO ISS PBL14 END 169.327
HIERARCH ESO ISS PBLA14 START 3.633
HIERARCH ESO ISS PBLA14 END 4.049
HIERARCH ESO ISS PBL23 START 97.957
HIERARCH ESO ISS PBL23 END 98.355
HIERARCH ESO ISS PBLA23 START 43.0
HIERARCH ESO ISS PBLA23 END 43.6
HIERARCH ESO ISS PBL24 START 201.565
HIERARCH ESO ISS PBL24 END 201.576
HIERARCH ESO ISS PBLA24 START 354.771
HIERARCH ESO ISS PBLA24 END 355.113
HIERARCH ESO ISS PBL34 START 154.601
HIERARCH ESO ISS PBL34 END 154.988
HIERARCH ESO ISS PBLA34 START 326.59
HIERARCH ESO ISS PBLA34 END 326.748
HIERARCH ESO ISS AMBI TAU0 START 0.003101
HIERARCH ESO ISS AMBI TAU0 END 0.003348
HIERARCH ESO ISS AMBI TEMP 15.77
HIERARCH ESO ISS AMBI FWHM START 0.99
HIERARCH ESO ISS AMBI FWHM END 0.93