Exposure
ID
GRAVI.2020-12-05T00:40:47.591_1
Header ID
GRAVI.2020-12-05T00:40:47.591
Date updated
2020-12-05 00:51:49 UTC+0000
Release date
2021-12-05 00:51:48 UTC+0000
UTC Start
2020-12-05 00:40:47.591
UTC End
2020-12-05 00:44:47.591
MJD Start
59188.0283286
MJD End
59188.0311063778
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.003761
Ambient temperature (°C)
12.63
Seeing (arcsec)
0.745
Observation
ID
46012
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
34634
Name
HD224974
RA
0.569625
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 86.8400 86.4290 119.8000 120.2000
A0-J2 125.7160 125.1570 95.9000 96.2000
A0-J3 132.3550 132.2850 50.0840 50.3040
G1-J2 58.0590 57.9830 58.8000 59.0000
G1-J3 130.6750 130.7530 11.5320 11.9410
J2-J3 100.7350 100.6270 346.4920 346.9970
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 59188.0283286
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 224974
HIERARCH ESO INS SOBJ NAME HD224974
RA 0.569625
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 86.84
HIERARCH ESO ISS PBL12 END 86.429
HIERARCH ESO ISS PBLA12 START 119.8
HIERARCH ESO ISS PBLA12 END 120.2
HIERARCH ESO ISS PBL13 START 125.716
HIERARCH ESO ISS PBL13 END 125.157
HIERARCH ESO ISS PBLA13 START 95.9
HIERARCH ESO ISS PBLA13 END 96.2
HIERARCH ESO ISS PBL14 START 132.355
HIERARCH ESO ISS PBL14 END 132.285
HIERARCH ESO ISS PBLA14 START 50.084
HIERARCH ESO ISS PBLA14 END 50.304
HIERARCH ESO ISS PBL23 START 58.059
HIERARCH ESO ISS PBL23 END 57.983
HIERARCH ESO ISS PBLA23 START 58.8
HIERARCH ESO ISS PBLA23 END 59.0
HIERARCH ESO ISS PBL24 START 130.675
HIERARCH ESO ISS PBL24 END 130.753
HIERARCH ESO ISS PBLA24 START 11.532
HIERARCH ESO ISS PBLA24 END 11.941
HIERARCH ESO ISS PBL34 START 100.735
HIERARCH ESO ISS PBL34 END 100.627
HIERARCH ESO ISS PBLA34 START 346.492
HIERARCH ESO ISS PBLA34 END 346.997
HIERARCH ESO ISS AMBI TAU0 START 0.004192
HIERARCH ESO ISS AMBI TAU0 END 0.00333
HIERARCH ESO ISS AMBI TEMP 12.63
HIERARCH ESO ISS AMBI FWHM START 0.71
HIERARCH ESO ISS AMBI FWHM END 0.78