Exposure
ID
GRAVI.2025-07-18T06:22:52.992_2
Header ID
GRAVI.2025-07-18T06:22:52.992
Date updated
2025-07-18 06:35:44 UTC+0000
Release date
2025-07-18 06:35:44 UTC+0000
UTC Start
2025-07-18 06:22:52.992
UTC End
2025-07-18 06:28:52.992
MJD Start
60874.26589111
MJD End
60874.27005777667
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.0087425
Ambient temperature (°C)
14.09
Seeing (arcsec)
0.53
Observation
ID
59844
Category
science
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
41302
Name
2MASS18543092+005113
RA
283.6288583333333
DEC
0.8536138888888889
Instrument
Interferometer
VLTI
Instrument
GRAVITY_FT
Instrument mode
LOW
Instrument sub-mode
DUAL
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 64.6430 63.1760 122.9000 123.7000
A0-J2 100.6590 98.4020 92.6000 92.6000
A0-K0 113.2370 111.6650 69.9940 69.6760
G1-J2 55.4720 55.0530 56.6000 56.2000
G1-K0 90.4080 90.4550 35.2110 35.2290
J2-K0 43.6820 43.7640 7.6860 8.4200
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 110.24B5.004
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,DUAL
MJD-OBS 60874.26589111
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME G034.0500-00.2977
HIERARCH ESO INS SOBJ NAME G034.0500-00.2977
RA 283.631762
DEC 0.85642
HIERARCH ESO INS SPEC RES LOW
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 375.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 12
HIERARCH ESO ISS PBL12 START 64.643
HIERARCH ESO ISS PBL12 END 63.176
HIERARCH ESO ISS PBLA12 START 122.9
HIERARCH ESO ISS PBLA12 END 123.7
HIERARCH ESO ISS PBL13 START 100.659
HIERARCH ESO ISS PBL13 END 98.402
HIERARCH ESO ISS PBLA13 START 92.6
HIERARCH ESO ISS PBLA13 END 92.6
HIERARCH ESO ISS PBL14 START 113.237
HIERARCH ESO ISS PBL14 END 111.665
HIERARCH ESO ISS PBLA14 START 69.994
HIERARCH ESO ISS PBLA14 END 69.676
HIERARCH ESO ISS PBL23 START 55.472
HIERARCH ESO ISS PBL23 END 55.053
HIERARCH ESO ISS PBLA23 START 56.6
HIERARCH ESO ISS PBLA23 END 56.2
HIERARCH ESO ISS PBL24 START 90.408
HIERARCH ESO ISS PBL24 END 90.455
HIERARCH ESO ISS PBLA24 START 35.211
HIERARCH ESO ISS PBLA24 END 35.229
HIERARCH ESO ISS PBL34 START 43.682
HIERARCH ESO ISS PBL34 END 43.764
HIERARCH ESO ISS PBLA34 START 7.686
HIERARCH ESO ISS PBLA34 END 8.42
HIERARCH ESO ISS AMBI TAU0 START 0.008736
HIERARCH ESO ISS AMBI TAU0 END 0.008749
HIERARCH ESO ISS AMBI TEMP 14.09
HIERARCH ESO ISS AMBI FWHM START 0.47
HIERARCH ESO ISS AMBI FWHM END 0.59
HIERARCH ESO FT ROBJ NAME 2MASS18543092+005113
HIERARCH ESO FT ROBJ ALPHA 185430.926
HIERARCH ESO FT ROBJ DELTA 005113.010