Exposure
ID
GRAVI.2021-09-10T06:18:53.299_1
Header ID
GRAVI.2021-09-10T06:18:53.299
Date updated
2021-09-10 06:31:54 UTC+0000
Release date
2022-09-10 06:31:54 UTC+0000
UTC Start
2021-09-10 06:18:53.299
UTC End
2021-09-10 06:22:53.299
MJD Start
59467.26311689
MJD End
59467.2658946678
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.0058145
Ambient temperature (°C)
11.21
Seeing (arcsec)
0.525
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 86.9350 86.5280 119.7000 120.1000
A0-J2 125.8460 125.2950 95.9000 96.2000
A0-J3 132.3690 132.3050 50.0300 50.2530
G1-J2 58.0750 58.0030 58.7000 58.9000
G1-J3 130.6530 130.7300 11.4330 11.8450
J2-J3 100.7580 100.6490 346.3700 346.8760
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 59467.26311689
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 86.935
HIERARCH ESO ISS PBL12 END 86.528
HIERARCH ESO ISS PBLA12 START 119.7
HIERARCH ESO ISS PBLA12 END 120.1
HIERARCH ESO ISS PBL13 START 125.846
HIERARCH ESO ISS PBL13 END 125.295
HIERARCH ESO ISS PBLA13 START 95.9
HIERARCH ESO ISS PBLA13 END 96.2
HIERARCH ESO ISS PBL14 START 132.369
HIERARCH ESO ISS PBL14 END 132.305
HIERARCH ESO ISS PBLA14 START 50.03
HIERARCH ESO ISS PBLA14 END 50.253
HIERARCH ESO ISS PBL23 START 58.075
HIERARCH ESO ISS PBL23 END 58.003
HIERARCH ESO ISS PBLA23 START 58.7
HIERARCH ESO ISS PBLA23 END 58.9
HIERARCH ESO ISS PBL24 START 130.653
HIERARCH ESO ISS PBL24 END 130.73
HIERARCH ESO ISS PBLA24 START 11.433
HIERARCH ESO ISS PBLA24 END 11.845
HIERARCH ESO ISS PBL34 START 100.758
HIERARCH ESO ISS PBL34 END 100.649
HIERARCH ESO ISS PBLA34 START 346.37
HIERARCH ESO ISS PBLA34 END 346.876
HIERARCH ESO ISS AMBI TAU0 START 0.005893
HIERARCH ESO ISS AMBI TAU0 END 0.005736
HIERARCH ESO ISS AMBI TEMP 11.21
HIERARCH ESO ISS AMBI FWHM START 0.55
HIERARCH ESO ISS AMBI FWHM END 0.5