Exposure
ID
GRAVI.2021-09-15T07:07:58.788_1
Header ID
GRAVI.2021-09-15T07:07:58.788
Date updated
2021-09-15 07:20:29 UTC+0000
Release date
2022-09-15 07:20:28 UTC+0000
UTC Start
2021-09-15 07:07:58.788
UTC End
2021-09-15 07:11:58.788
MJD Start
59472.2972082
MJD End
59472.2999859778
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.004131
Ambient temperature (°C)
6.96
Seeing (arcsec)
0.59
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 78.2690 77.6100 127.6000 128.3000
A0-J2 112.2160 111.0550 100.8000 101.2000
A0-J3 128.0790 127.5810 52.5050 52.5800
G1-J2 55.1600 54.8560 61.0000 61.1000
G1-J3 131.8790 131.9420 17.4950 17.8260
J2-J3 99.4200 99.3740 355.0330 355.5980
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 59472.2972082
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 78.269
HIERARCH ESO ISS PBL12 END 77.61
HIERARCH ESO ISS PBLA12 START 127.6
HIERARCH ESO ISS PBLA12 END 128.3
HIERARCH ESO ISS PBL13 START 112.216
HIERARCH ESO ISS PBL13 END 111.055
HIERARCH ESO ISS PBLA13 START 100.8
HIERARCH ESO ISS PBLA13 END 101.2
HIERARCH ESO ISS PBL14 START 128.079
HIERARCH ESO ISS PBL14 END 127.581
HIERARCH ESO ISS PBLA14 START 52.505
HIERARCH ESO ISS PBLA14 END 52.58
HIERARCH ESO ISS PBL23 START 55.16
HIERARCH ESO ISS PBL23 END 54.856
HIERARCH ESO ISS PBLA23 START 61.0
HIERARCH ESO ISS PBLA23 END 61.1
HIERARCH ESO ISS PBL24 START 131.879
HIERARCH ESO ISS PBL24 END 131.942
HIERARCH ESO ISS PBLA24 START 17.495
HIERARCH ESO ISS PBLA24 END 17.826
HIERARCH ESO ISS PBL34 START 99.42
HIERARCH ESO ISS PBL34 END 99.374
HIERARCH ESO ISS PBLA34 START 355.033
HIERARCH ESO ISS PBLA34 END 355.598
HIERARCH ESO ISS AMBI TAU0 START 0.004182
HIERARCH ESO ISS AMBI TAU0 END 0.00408
HIERARCH ESO ISS AMBI TEMP 6.96
HIERARCH ESO ISS AMBI FWHM START 0.57
HIERARCH ESO ISS AMBI FWHM END 0.61