Exposure
ID
GRAVI.2021-09-15T06:58:13.764_1
Header ID
GRAVI.2021-09-15T06:58:13.764
Date updated
2021-09-15 07:11:13 UTC+0000
Release date
2022-09-15 07:11:13 UTC+0000
UTC Start
2021-09-15 06:58:13.764
UTC End
2021-09-15 07:02:13.764
MJD Start
59472.29043708
MJD End
59472.2932148578
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.0043215
Ambient temperature (°C)
6.8
Seeing (arcsec)
0.545
Observation
ID
48223
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
36183
Name
HD224974
RA
0.569676
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 79.7300 79.0970 126.3000 126.9000
A0-J2 114.7340 113.6520 100.0000 100.4000
A0-J3 129.1140 128.6780 52.2990 52.3950
G1-J2 55.7990 55.5280 60.8000 60.9000
G1-J3 131.7250 131.7940 16.7160 17.0610
J2-J3 99.5420 99.4850 353.7540 354.3130
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 59472.29043708
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 224974
HIERARCH ESO INS SOBJ NAME HD224974
RA 0.569676
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 79.73
HIERARCH ESO ISS PBL12 END 79.097
HIERARCH ESO ISS PBLA12 START 126.3
HIERARCH ESO ISS PBLA12 END 126.9
HIERARCH ESO ISS PBL13 START 114.734
HIERARCH ESO ISS PBL13 END 113.652
HIERARCH ESO ISS PBLA13 START 100.0
HIERARCH ESO ISS PBLA13 END 100.4
HIERARCH ESO ISS PBL14 START 129.114
HIERARCH ESO ISS PBL14 END 128.678
HIERARCH ESO ISS PBLA14 START 52.299
HIERARCH ESO ISS PBLA14 END 52.395
HIERARCH ESO ISS PBL23 START 55.799
HIERARCH ESO ISS PBL23 END 55.528
HIERARCH ESO ISS PBLA23 START 60.8
HIERARCH ESO ISS PBLA23 END 60.9
HIERARCH ESO ISS PBL24 START 131.725
HIERARCH ESO ISS PBL24 END 131.794
HIERARCH ESO ISS PBLA24 START 16.716
HIERARCH ESO ISS PBLA24 END 17.061
HIERARCH ESO ISS PBL34 START 99.542
HIERARCH ESO ISS PBL34 END 99.485
HIERARCH ESO ISS PBLA34 START 353.754
HIERARCH ESO ISS PBLA34 END 354.313
HIERARCH ESO ISS AMBI TAU0 START 0.004411
HIERARCH ESO ISS AMBI TAU0 END 0.004232
HIERARCH ESO ISS AMBI TEMP 6.8
HIERARCH ESO ISS AMBI FWHM START 0.56
HIERARCH ESO ISS AMBI FWHM END 0.53