Exposure
ID
GRAVI.2024-06-09T09:41:55.756_1
Header ID
GRAVI.2024-06-09T09:41:55.756
Date updated
2024-06-09 09:50:39 UTC+0000
Release date
2025-06-09 09:50:38 UTC+0000
UTC Start
2024-06-09 09:41:55.756
UTC End
2024-06-09 09:43:15.756
MJD Start
60470.40411755
MJD End
60470.4050434759
Exposure time (s)
80.0
Validation level
1
Tau 0: Coherence time (s)
0.001849
Ambient temperature (°C)
10.04
Seeing (arcsec)
1.43
Observation
ID
59537
Category
science
Program ID
113.26BP.001
Program Title
HIGH-PRECISION MASSES AND DISTANCES OF SPECTROSCOPIC BINARIES WITH INTERFEROMETRY - PART IV
Program Type
Normal
PI / COI
GALLENNE / PIETRZYNSKI / KERVELLA / MÉRAND / GIEREN / GRACZYK
Target
ID
44145
Name
alpha_Equ
RA
318.955171
DEC
5.24734
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 40.8390 40.7600 153.6000 153.8000
A0-J2 124.5880 124.3530 91.2000 91.2000
A0-J6 160.1010 160.3080 33.2060 33.2890
B5-J2 111.7100 111.6570 72.3000 72.2000
B5-J6 184.1740 184.3850 22.1790 22.3100
J2-J6 141.4470 141.2890 344.8830 345.0930
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 113.26BP.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60470.40411755
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME alpha-Equ
HIERARCH ESO INS SOBJ NAME alpha_Equ
RA 318.955171
DEC 5.24734
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 96.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 8
HIERARCH ESO ISS PBL12 START 40.839
HIERARCH ESO ISS PBL12 END 40.76
HIERARCH ESO ISS PBLA12 START 153.6
HIERARCH ESO ISS PBLA12 END 153.8
HIERARCH ESO ISS PBL13 START 124.588
HIERARCH ESO ISS PBL13 END 124.353
HIERARCH ESO ISS PBLA13 START 91.2
HIERARCH ESO ISS PBLA13 END 91.2
HIERARCH ESO ISS PBL14 START 160.101
HIERARCH ESO ISS PBL14 END 160.308
HIERARCH ESO ISS PBLA14 START 33.206
HIERARCH ESO ISS PBLA14 END 33.289
HIERARCH ESO ISS PBL23 START 111.71
HIERARCH ESO ISS PBL23 END 111.657
HIERARCH ESO ISS PBLA23 START 72.3
HIERARCH ESO ISS PBLA23 END 72.2
HIERARCH ESO ISS PBL24 START 184.174
HIERARCH ESO ISS PBL24 END 184.385
HIERARCH ESO ISS PBLA24 START 22.179
HIERARCH ESO ISS PBLA24 END 22.31
HIERARCH ESO ISS PBL34 START 141.447
HIERARCH ESO ISS PBL34 END 141.289
HIERARCH ESO ISS PBLA34 START 344.883
HIERARCH ESO ISS PBLA34 END 345.093
HIERARCH ESO ISS AMBI TAU0 START 0.001849
HIERARCH ESO ISS AMBI TAU0 END 0.001849
HIERARCH ESO ISS AMBI TEMP 10.04
HIERARCH ESO ISS AMBI FWHM START 1.43
HIERARCH ESO ISS AMBI FWHM END 1.43