Exposure
ID
GRAVI.2021-09-05T07:49:24.954_1
Header ID
GRAVI.2021-09-05T07:49:24.954
Date updated
2021-09-05 08:01:42 UTC+0000
Release date
2022-09-05 08:01:42 UTC+0000
UTC Start
2021-09-05 07:49:24.954
UTC End
2021-09-05 07:53:24.954
MJD Start
59462.32598326
MJD End
59462.3287610378
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.0042985
Ambient temperature (°C)
12.77
Seeing (arcsec)
0.94
Observation
ID
48135
Category
science
Program ID
105.207C.001
Program Title
HIGH-PRECISION MASSES AND DISTANCES OF SPECTROSCOPIC BINARIES WITH INTERFEROMETRY - PART II
Program Type
Normal
PI / COI
GALLENNE/ GIEREN/ PIETRZYNSKI/ GRACZYK/ PILECKI/ KERVELLA/ MERAND
Target
ID
36120
Name
HD224974
RA
0.569674
DEC
-13.40728
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 G1 J2 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 77.9460 77.2820 128.0000 128.6000
A0-J2 111.6490 110.4710 101.0000 101.4000
A0-J3 127.8370 127.3260 52.5440 52.6140
G1-J2 55.0120 54.7020 61.1000 61.1000
G1-J3 131.9100 131.9720 17.6590 17.9880
J2-J3 99.3970 99.3540 355.3120 355.8770
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 105.207C.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 59462.32598326
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 224974
HIERARCH ESO INS SOBJ NAME HD224974
RA 0.569674
DEC -13.40728
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 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 J3
EXPTIME 256.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 8
HIERARCH ESO ISS PBL12 START 77.946
HIERARCH ESO ISS PBL12 END 77.282
HIERARCH ESO ISS PBLA12 START 128.0
HIERARCH ESO ISS PBLA12 END 128.6
HIERARCH ESO ISS PBL13 START 111.649
HIERARCH ESO ISS PBL13 END 110.471
HIERARCH ESO ISS PBLA13 START 101.0
HIERARCH ESO ISS PBLA13 END 101.4
HIERARCH ESO ISS PBL14 START 127.837
HIERARCH ESO ISS PBL14 END 127.326
HIERARCH ESO ISS PBLA14 START 52.544
HIERARCH ESO ISS PBLA14 END 52.614
HIERARCH ESO ISS PBL23 START 55.012
HIERARCH ESO ISS PBL23 END 54.702
HIERARCH ESO ISS PBLA23 START 61.1
HIERARCH ESO ISS PBLA23 END 61.1
HIERARCH ESO ISS PBL24 START 131.91
HIERARCH ESO ISS PBL24 END 131.972
HIERARCH ESO ISS PBLA24 START 17.659
HIERARCH ESO ISS PBLA24 END 17.988
HIERARCH ESO ISS PBL34 START 99.397
HIERARCH ESO ISS PBL34 END 99.354
HIERARCH ESO ISS PBLA34 START 355.312
HIERARCH ESO ISS PBLA34 END 355.877
HIERARCH ESO ISS AMBI TAU0 START 0.004859
HIERARCH ESO ISS AMBI TAU0 END 0.003738
HIERARCH ESO ISS AMBI TEMP 12.77
HIERARCH ESO ISS AMBI FWHM START 0.9
HIERARCH ESO ISS AMBI FWHM END 0.98