Exposure
ID
GRAVI.2021-09-05T07:40:03.930_1
Header ID
GRAVI.2021-09-05T07:40:03.930
Date updated
2021-09-05 07:51:23 UTC+0000
Release date
2022-09-05 07:51:23 UTC+0000
UTC Start
2021-09-05 07:40:03.930
UTC End
2021-09-05 07:44:03.930
MJD Start
59462.31948993
MJD End
59462.3222677078
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.004669
Ambient temperature (°C)
12.7
Seeing (arcsec)
0.845
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 79.3630 78.7260 126.6000 127.2000
A0-J2 114.1090 113.0110 100.2000 100.6000
A0-J3 128.8640 128.4130 52.3560 52.4470
G1-J2 55.6430 55.3650 60.9000 61.0000
G1-J3 131.7650 131.8320 16.9170 17.2590
J2-J3 99.5080 99.4550 354.0780 354.6380
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 59462.31948993
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 79.363
HIERARCH ESO ISS PBL12 END 78.726
HIERARCH ESO ISS PBLA12 START 126.6
HIERARCH ESO ISS PBLA12 END 127.2
HIERARCH ESO ISS PBL13 START 114.109
HIERARCH ESO ISS PBL13 END 113.011
HIERARCH ESO ISS PBLA13 START 100.2
HIERARCH ESO ISS PBLA13 END 100.6
HIERARCH ESO ISS PBL14 START 128.864
HIERARCH ESO ISS PBL14 END 128.413
HIERARCH ESO ISS PBLA14 START 52.356
HIERARCH ESO ISS PBLA14 END 52.447
HIERARCH ESO ISS PBL23 START 55.643
HIERARCH ESO ISS PBL23 END 55.365
HIERARCH ESO ISS PBLA23 START 60.9
HIERARCH ESO ISS PBLA23 END 61.0
HIERARCH ESO ISS PBL24 START 131.765
HIERARCH ESO ISS PBL24 END 131.832
HIERARCH ESO ISS PBLA24 START 16.917
HIERARCH ESO ISS PBLA24 END 17.259
HIERARCH ESO ISS PBL34 START 99.508
HIERARCH ESO ISS PBL34 END 99.455
HIERARCH ESO ISS PBLA34 START 354.078
HIERARCH ESO ISS PBLA34 END 354.638
HIERARCH ESO ISS AMBI TAU0 START 0.004414
HIERARCH ESO ISS AMBI TAU0 END 0.004924
HIERARCH ESO ISS AMBI TEMP 12.7
HIERARCH ESO ISS AMBI FWHM START 0.81
HIERARCH ESO ISS AMBI FWHM END 0.88