Exposure
ID
GRAVI.2021-09-11T05:52:29.753_1
Header ID
GRAVI.2021-09-11T05:52:29.753
Date updated
2021-09-11 06:05:33 UTC+0000
Release date
2022-09-11 06:05:33 UTC+0000
UTC Start
2021-09-11 05:52:29.753
UTC End
2021-09-11 05:56:29.753
MJD Start
59468.24478881
MJD End
59468.2475665878
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.003866
Ambient temperature (°C)
11.89
Seeing (arcsec)
0.485
Observation
ID
48147
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
36131
Name
HD224974
RA
0.569675
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 88.7420 88.4450 117.7000 118.1000
A0-J2 128.0750 127.7410 94.5000 94.7000
A0-J3 132.2880 132.3570 48.6960 48.9680
G1-J2 58.2270 58.2280 57.5000 57.8000
G1-J3 130.2650 130.3340 9.1930 9.6250
J2-J3 101.3620 101.2440 343.7820 344.2600
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 59468.24478881
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 224974
HIERARCH ESO INS SOBJ NAME HD224974
RA 0.569675
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 88.742
HIERARCH ESO ISS PBL12 END 88.445
HIERARCH ESO ISS PBLA12 START 117.7
HIERARCH ESO ISS PBLA12 END 118.1
HIERARCH ESO ISS PBL13 START 128.075
HIERARCH ESO ISS PBL13 END 127.741
HIERARCH ESO ISS PBLA13 START 94.5
HIERARCH ESO ISS PBLA13 END 94.7
HIERARCH ESO ISS PBL14 START 132.288
HIERARCH ESO ISS PBL14 END 132.357
HIERARCH ESO ISS PBLA14 START 48.696
HIERARCH ESO ISS PBLA14 END 48.968
HIERARCH ESO ISS PBL23 START 58.227
HIERARCH ESO ISS PBL23 END 58.228
HIERARCH ESO ISS PBLA23 START 57.5
HIERARCH ESO ISS PBLA23 END 57.8
HIERARCH ESO ISS PBL24 START 130.265
HIERARCH ESO ISS PBL24 END 130.334
HIERARCH ESO ISS PBLA24 START 9.193
HIERARCH ESO ISS PBLA24 END 9.625
HIERARCH ESO ISS PBL34 START 101.362
HIERARCH ESO ISS PBL34 END 101.244
HIERARCH ESO ISS PBLA34 START 343.782
HIERARCH ESO ISS PBLA34 END 344.26
HIERARCH ESO ISS AMBI TAU0 START 0.003788
HIERARCH ESO ISS AMBI TAU0 END 0.003944
HIERARCH ESO ISS AMBI TEMP 11.89
HIERARCH ESO ISS AMBI FWHM START 0.46
HIERARCH ESO ISS AMBI FWHM END 0.51