Exposure
ID
GRAVI.2023-07-18T05:15:14.043_1
Header ID
GRAVI.2023-07-18T05:15:14.043
Date updated
2023-07-18 05:30:48 UTC+0000
Release date
2023-07-18 05:15:14 UTC+0000
UTC Start
2023-07-18 05:15:14.043
UTC End
2023-07-18 05:21:14.043
MJD Start
60143.21891254
MJD End
60143.22307920666
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.0060940000000000005
Ambient temperature (°C)
12.56
Seeing (arcsec)
0.49
Observation
ID
56271
Category
calibrator
Program ID
110.24B5.004
Program Title
THE FORMATION OF MASSIVE BINARY STARS: A VIEW AT AU SCALES
Program Type
DDT
PI / COI
OUDMAIJER/ KOUTOULAKI/ KOUMPIA/ FROST/ DE WIT/ GOODWIN/ SHENTON/ LUMSDEN
Target
ID
41686
Name
HD_174813
RA
283.066638
DEC
2.83638
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 77.8880 76.7200 115.7000 116.1000
A0-J2 119.7700 118.3850 91.6000 91.6000
A0-K0 125.5450 124.8510 71.8480 71.6670
G1-J2 58.1770 58.1040 58.4000 58.3000
G1-K0 87.9540 88.2720 33.9630 34.1920
J2-K0 42.4880 42.4860 359.4210 0.2260
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 110.24B5.004
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 60143.21891254
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 174813
HIERARCH ESO INS SOBJ NAME HD_174813
RA 283.066638
DEC 2.83638
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 K0
EXPTIME 377.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 12
HIERARCH ESO ISS PBL12 START 77.888
HIERARCH ESO ISS PBL12 END 76.72
HIERARCH ESO ISS PBLA12 START 115.7
HIERARCH ESO ISS PBLA12 END 116.1
HIERARCH ESO ISS PBL13 START 119.77
HIERARCH ESO ISS PBL13 END 118.385
HIERARCH ESO ISS PBLA13 START 91.6
HIERARCH ESO ISS PBLA13 END 91.6
HIERARCH ESO ISS PBL14 START 125.545
HIERARCH ESO ISS PBL14 END 124.851
HIERARCH ESO ISS PBLA14 START 71.848
HIERARCH ESO ISS PBLA14 END 71.667
HIERARCH ESO ISS PBL23 START 58.177
HIERARCH ESO ISS PBL23 END 58.104
HIERARCH ESO ISS PBLA23 START 58.4
HIERARCH ESO ISS PBLA23 END 58.3
HIERARCH ESO ISS PBL24 START 87.954
HIERARCH ESO ISS PBL24 END 88.272
HIERARCH ESO ISS PBLA24 START 33.963
HIERARCH ESO ISS PBLA24 END 34.192
HIERARCH ESO ISS PBL34 START 42.488
HIERARCH ESO ISS PBL34 END 42.486
HIERARCH ESO ISS PBLA34 START 359.421
HIERARCH ESO ISS PBLA34 END 0.226
HIERARCH ESO ISS AMBI TAU0 START 0.00628
HIERARCH ESO ISS AMBI TAU0 END 0.005908
HIERARCH ESO ISS AMBI TEMP 12.56
HIERARCH ESO ISS AMBI FWHM START 0.52
HIERARCH ESO ISS AMBI FWHM END 0.46