Exposure
ID
GRAVI.2023-08-27T01:43:49.260_1
Header ID
GRAVI.2023-08-27T01:43:49.260
Date updated
2023-08-27 01:55:37 UTC+0000
Release date
2023-08-27 01:43:49 UTC+0000
UTC Start
2023-08-27 01:43:49.260
UTC End
2023-08-27 01:49:49.260
MJD Start
60183.07209792
MJD End
60183.07626458666
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.004461
Ambient temperature (°C)
14.52
Seeing (arcsec)
0.62
Observation
ID
56782
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
42080
Name
HD_175869
RA
284.316877
DEC
2.53528
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 86.5350 85.8380 113.8000 113.9000
A0-J2 128.1990 127.7000 92.3000 92.2000
A0-K0 127.8250 127.9470 72.9050 72.8470
G1-J2 57.3310 57.5550 58.6000 58.7000
G1-K0 84.3140 84.7710 30.6690 31.1120
J2-K0 43.0540 42.9720 352.0890 352.8430
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 60183.07209792
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME 64 Ser
HIERARCH ESO INS SOBJ NAME HD_175869
RA 284.316877
DEC 2.53528
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 86.535
HIERARCH ESO ISS PBL12 END 85.838
HIERARCH ESO ISS PBLA12 START 113.8
HIERARCH ESO ISS PBLA12 END 113.9
HIERARCH ESO ISS PBL13 START 128.199
HIERARCH ESO ISS PBL13 END 127.7
HIERARCH ESO ISS PBLA13 START 92.3
HIERARCH ESO ISS PBLA13 END 92.2
HIERARCH ESO ISS PBL14 START 127.825
HIERARCH ESO ISS PBL14 END 127.947
HIERARCH ESO ISS PBLA14 START 72.905
HIERARCH ESO ISS PBLA14 END 72.847
HIERARCH ESO ISS PBL23 START 57.331
HIERARCH ESO ISS PBL23 END 57.555
HIERARCH ESO ISS PBLA23 START 58.6
HIERARCH ESO ISS PBLA23 END 58.7
HIERARCH ESO ISS PBL24 START 84.314
HIERARCH ESO ISS PBL24 END 84.771
HIERARCH ESO ISS PBLA24 START 30.669
HIERARCH ESO ISS PBLA24 END 31.112
HIERARCH ESO ISS PBL34 START 43.054
HIERARCH ESO ISS PBL34 END 42.972
HIERARCH ESO ISS PBLA34 START 352.089
HIERARCH ESO ISS PBLA34 END 352.843
HIERARCH ESO ISS AMBI TAU0 START 0.004461
HIERARCH ESO ISS AMBI TAU0 END 0.004461
HIERARCH ESO ISS AMBI TEMP 14.52
HIERARCH ESO ISS AMBI FWHM START 0.71
HIERARCH ESO ISS AMBI FWHM END 0.53