Exposure
ID
GRAVI.2025-04-04T08:53:52.383_1
Header ID
GRAVI.2025-04-04T08:53:52.383
Date updated
2025-04-04 09:10:51 UTC+0000
Release date
2025-04-04 09:10:50 UTC+0000
UTC Start
2025-04-04 08:53:52.383
UTC End
2025-04-04 08:59:52.383
MJD Start
60769.37074517
MJD End
60769.37491183667
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.006207
Ambient temperature (°C)
13.73
Seeing (arcsec)
0.55
Observation
ID
66041
Category
science
Program ID
110.24B5.003
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
49160
Name
G017.9868-00.1098
RA
276.016467
DEC
-13.31944
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 B2 D0 C1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B2 25.2370 25.2650 136.6000 136.9000
A0-D0 29.6580 29.9420 64.9000 65.5000
A0-C1 22.0210 22.1440 111.4330 111.6700
B2-D0 32.3470 32.4290 17.1000 18.0000
B2-C1 10.7760 10.8030 17.0960 17.9170
D0-C1 21.5720 21.6260 197.1600 197.9820
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 110.24B5.003
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60769.37074517
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME G017.9868-00.1098
HIERARCH ESO INS SOBJ NAME G017.9868-00.1098
RA 276.016467
DEC -13.31944
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 B2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 C1
EXPTIME 377.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 12
HIERARCH ESO ISS PBL12 START 25.237
HIERARCH ESO ISS PBL12 END 25.265
HIERARCH ESO ISS PBLA12 START 136.6
HIERARCH ESO ISS PBLA12 END 136.9
HIERARCH ESO ISS PBL13 START 29.658
HIERARCH ESO ISS PBL13 END 29.942
HIERARCH ESO ISS PBLA13 START 64.9
HIERARCH ESO ISS PBLA13 END 65.5
HIERARCH ESO ISS PBL14 START 22.021
HIERARCH ESO ISS PBL14 END 22.144
HIERARCH ESO ISS PBLA14 START 111.433
HIERARCH ESO ISS PBLA14 END 111.67
HIERARCH ESO ISS PBL23 START 32.347
HIERARCH ESO ISS PBL23 END 32.429
HIERARCH ESO ISS PBLA23 START 17.1
HIERARCH ESO ISS PBLA23 END 18.0
HIERARCH ESO ISS PBL24 START 10.776
HIERARCH ESO ISS PBL24 END 10.803
HIERARCH ESO ISS PBLA24 START 17.096
HIERARCH ESO ISS PBLA24 END 17.917
HIERARCH ESO ISS PBL34 START 21.572
HIERARCH ESO ISS PBL34 END 21.626
HIERARCH ESO ISS PBLA34 START 197.16
HIERARCH ESO ISS PBLA34 END 197.982
HIERARCH ESO ISS AMBI TAU0 START 0.006207
HIERARCH ESO ISS AMBI TAU0 END 0.006207
HIERARCH ESO ISS AMBI TEMP 13.73
HIERARCH ESO ISS AMBI FWHM START 0.55
HIERARCH ESO ISS AMBI FWHM END 0.55