Exposure
ID
GRAVI.2024-05-12T07:50:12.119_1
Header ID
GRAVI.2024-05-12T07:50:12.119
Date updated
2024-05-12 08:05:43 UTC+0000
Release date
2025-05-12 08:05:43 UTC+0000
UTC Start
2024-05-12 07:50:12.119
UTC End
2024-05-12 07:55:00.119
MJD Start
60442.32652916
MJD End
60442.3298624933
Exposure time (s)
288.0
Validation level
1
Tau 0: Coherence time (s)
0.00295
Ambient temperature (°C)
10.89
Seeing (arcsec)
0.575
Observation
ID
59229
Category
science
Program ID
113.26PU.001
Program Title
3D ORBIT RECONSTRUCTION OF EVOLVED MASSIVE BINARY SYSTEMS
Program Type
Normal
PI / COI
MAHY / SANA / FROST / LANTHERMANN / LE BOUQUIN / GOSSET / HUTSEMEKERS
Target
ID
43480
Name
Cl*_Westerlund_1_W_2
RA
251.778061
DEC
-45.87478
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
MEDIUM-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 90.0760 89.9680 132.6000 133.6000
A0-J2 124.0720 123.5260 111.6000 112.6000
A0-K0 116.7040 115.8560 89.9250 90.8640
G1-J2 51.4120 50.9910 72.6000 73.4000
G1-K0 79.2310 78.7830 39.5120 40.0580
J2-K0 45.8160 45.8070 1.6720 2.2830
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 113.26PU.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60442.32652916
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME Cl Westerlund 1 W 243
HIERARCH ESO INS SOBJ NAME Cl*_Westerlund_1_W_2
RA 251.778061
DEC -45.87478
HIERARCH ESO INS SPEC RES MEDIUM
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 315.0
HIERARCH ESO DET2 SEQ1 DIT 3.0
HIERARCH ESO DET2 NDIT 96
HIERARCH ESO ISS PBL12 START 90.076
HIERARCH ESO ISS PBL12 END 89.968
HIERARCH ESO ISS PBLA12 START 132.6
HIERARCH ESO ISS PBLA12 END 133.6
HIERARCH ESO ISS PBL13 START 124.072
HIERARCH ESO ISS PBL13 END 123.526
HIERARCH ESO ISS PBLA13 START 111.6
HIERARCH ESO ISS PBLA13 END 112.6
HIERARCH ESO ISS PBL14 START 116.704
HIERARCH ESO ISS PBL14 END 115.856
HIERARCH ESO ISS PBLA14 START 89.925
HIERARCH ESO ISS PBLA14 END 90.864
HIERARCH ESO ISS PBL23 START 51.412
HIERARCH ESO ISS PBL23 END 50.991
HIERARCH ESO ISS PBLA23 START 72.6
HIERARCH ESO ISS PBLA23 END 73.4
HIERARCH ESO ISS PBL24 START 79.231
HIERARCH ESO ISS PBL24 END 78.783
HIERARCH ESO ISS PBLA24 START 39.512
HIERARCH ESO ISS PBLA24 END 40.058
HIERARCH ESO ISS PBL34 START 45.816
HIERARCH ESO ISS PBL34 END 45.807
HIERARCH ESO ISS PBLA34 START 1.672
HIERARCH ESO ISS PBLA34 END 2.283
HIERARCH ESO ISS AMBI TAU0 START 0.002313
HIERARCH ESO ISS AMBI TAU0 END 0.003587
HIERARCH ESO ISS AMBI TEMP 10.89
HIERARCH ESO ISS AMBI FWHM START 0.61
HIERARCH ESO ISS AMBI FWHM END 0.54