Exposure
ID
GRAVI.2022-12-15T05:29:56.585_1
Header ID
GRAVI.2022-12-15T05:29:56.585
Date updated
2022-12-15 05:41:22 UTC+0000
Release date
2023-12-15 05:41:22 UTC+0000
UTC Start
2022-12-15 05:29:56.585
UTC End
2022-12-15 05:33:56.585
MJD Start
59928.22912714
MJD End
59928.2319049178
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.006583
Ambient temperature (°C)
14.46
Seeing (arcsec)
0.635
Observation
ID
53493
Category
science
Program ID
108.221X.001
Program Title
HIGH-PRECISION MASSES AND DISTANCES OF SPECTROSCOPIC BINARIES WITH INTERFEROMETRY - PART I
Program Type
Normal
PI / COI
GALLENNE/ PIETRZYNSKI/ GRACZYK/ PILECKI/ KERVELLA/ MÉRAND/ GIEREN
Target
ID
39781
Name
HD41255
RA
90.822194
DEC
-16.04329
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 89.6430 89.4340 117.3000 117.7000
A0-J2 128.7290 128.5050 94.2000 94.5000
A0-K0 127.9290 127.8470 72.5880 72.8700
G1-J2 58.2200 58.2290 56.9000 57.2000
G1-K0 90.0560 90.1270 28.1060 28.4840
J2-K0 48.0290 48.0110 352.4320 352.8900
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 108.221X.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 59928.22912714
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD41255
HIERARCH ESO INS SOBJ NAME HD41255
RA 90.822194
DEC -16.04329
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 255.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 8
HIERARCH ESO ISS PBL12 START 89.643
HIERARCH ESO ISS PBL12 END 89.434
HIERARCH ESO ISS PBLA12 START 117.3
HIERARCH ESO ISS PBLA12 END 117.7
HIERARCH ESO ISS PBL13 START 128.729
HIERARCH ESO ISS PBL13 END 128.505
HIERARCH ESO ISS PBLA13 START 94.2
HIERARCH ESO ISS PBLA13 END 94.5
HIERARCH ESO ISS PBL14 START 127.929
HIERARCH ESO ISS PBL14 END 127.847
HIERARCH ESO ISS PBLA14 START 72.588
HIERARCH ESO ISS PBLA14 END 72.87
HIERARCH ESO ISS PBL23 START 58.22
HIERARCH ESO ISS PBL23 END 58.229
HIERARCH ESO ISS PBLA23 START 56.9
HIERARCH ESO ISS PBLA23 END 57.2
HIERARCH ESO ISS PBL24 START 90.056
HIERARCH ESO ISS PBL24 END 90.127
HIERARCH ESO ISS PBLA24 START 28.106
HIERARCH ESO ISS PBLA24 END 28.484
HIERARCH ESO ISS PBL34 START 48.029
HIERARCH ESO ISS PBL34 END 48.011
HIERARCH ESO ISS PBLA34 START 352.432
HIERARCH ESO ISS PBLA34 END 352.89
HIERARCH ESO ISS AMBI TAU0 START 0.006775
HIERARCH ESO ISS AMBI TAU0 END 0.006391
HIERARCH ESO ISS AMBI TEMP 14.46
HIERARCH ESO ISS AMBI FWHM START 0.6
HIERARCH ESO ISS AMBI FWHM END 0.67