Exposure
ID
GRAVI.2025-07-22T01:12:26.422_1
Header ID
GRAVI.2025-07-22T01:12:26.422
Date updated
2025-07-22 01:25:45 UTC+0000
Release date
2025-07-22 01:25:45 UTC+0000
UTC Start
2025-07-22 01:12:26.422
UTC End
2025-07-22 01:19:06.422
MJD Start
60878.05030581
MJD End
60878.05493543963
Exposure time (s)
400.0
Validation level
1
Tau 0: Coherence time (s)
0.0093985
Ambient temperature (°C)
14.64
Seeing (arcsec)
0.43000000000000005
Observation
ID
68148
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
50656
Name
G320.2437-00.5619
RA
227.754214
DEC
-58.66096
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
LOW-COMBINED
Instrument sub-mode
DUAL
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 90.0910 90.1910 127.8000 129.3000
A0-J2 127.8760 127.5850 109.2000 110.7000
A0-K0 119.8770 119.1580 90.4420 91.9340
G1-J2 51.3910 50.9680 75.0000 76.4000
G1-K0 72.9750 72.4040 41.8870 42.8790
J2-K0 41.0440 41.0500 358.7180 359.6300
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 60878.05030581
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME G320.2437-00.5619
HIERARCH ESO INS SOBJ NAME G320.2437-00.5619
RA 227.754214
DEC -58.66096
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 414.0
HIERARCH ESO DET2 SEQ1 DIT 100.0
HIERARCH ESO DET2 NDIT 4
HIERARCH ESO ISS PBL12 START 90.091
HIERARCH ESO ISS PBL12 END 90.191
HIERARCH ESO ISS PBLA12 START 127.8
HIERARCH ESO ISS PBLA12 END 129.3
HIERARCH ESO ISS PBL13 START 127.876
HIERARCH ESO ISS PBL13 END 127.585
HIERARCH ESO ISS PBLA13 START 109.2
HIERARCH ESO ISS PBLA13 END 110.7
HIERARCH ESO ISS PBL14 START 119.877
HIERARCH ESO ISS PBL14 END 119.158
HIERARCH ESO ISS PBLA14 START 90.442
HIERARCH ESO ISS PBLA14 END 91.934
HIERARCH ESO ISS PBL23 START 51.391
HIERARCH ESO ISS PBL23 END 50.968
HIERARCH ESO ISS PBLA23 START 75.0
HIERARCH ESO ISS PBLA23 END 76.4
HIERARCH ESO ISS PBL24 START 72.975
HIERARCH ESO ISS PBL24 END 72.404
HIERARCH ESO ISS PBLA24 START 41.887
HIERARCH ESO ISS PBLA24 END 42.879
HIERARCH ESO ISS PBL34 START 41.044
HIERARCH ESO ISS PBL34 END 41.05
HIERARCH ESO ISS PBLA34 START 358.718
HIERARCH ESO ISS PBLA34 END 359.63
HIERARCH ESO ISS AMBI TAU0 START 0.008799
HIERARCH ESO ISS AMBI TAU0 END 0.009998
HIERARCH ESO ISS AMBI TEMP 14.64
HIERARCH ESO ISS AMBI FWHM START 0.4
HIERARCH ESO ISS AMBI FWHM END 0.46
HIERARCH ESO FT ROBJ NAME 2MASS15110043-583941
HIERARCH ESO FT ROBJ ALPHA 151100.420
HIERARCH ESO FT ROBJ DELTA -583941.620