Exposure
ID
GRAVI.2025-04-04T09:00:25.399_1
Header ID
GRAVI.2025-04-04T09:00:25.399
Date updated
2025-04-04 09:15:45 UTC+0000
Release date
2025-04-04 09:15:45 UTC+0000
UTC Start
2025-04-04 09:00:25.399
UTC End
2025-04-04 09:06:25.399
MJD Start
60769.37529397
MJD End
60769.379460636665
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.008442999999999999
Ambient temperature (°C)
13.62
Seeing (arcsec)
0.47500000000000003
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 25.2660 25.2850 136.9000 137.3000
A0-D0 29.9510 30.2180 65.6000 66.2000
A0-C1 22.1480 22.2560 111.6810 111.9330
B2-D0 32.4320 32.5150 18.0000 18.8000
B2-C1 10.8040 10.8320 17.9470 18.7530
D0-C1 21.6280 21.6840 198.0120 198.8180
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 60769.37529397
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 25.266
HIERARCH ESO ISS PBL12 END 25.285
HIERARCH ESO ISS PBLA12 START 136.9
HIERARCH ESO ISS PBLA12 END 137.3
HIERARCH ESO ISS PBL13 START 29.951
HIERARCH ESO ISS PBL13 END 30.218
HIERARCH ESO ISS PBLA13 START 65.6
HIERARCH ESO ISS PBLA13 END 66.2
HIERARCH ESO ISS PBL14 START 22.148
HIERARCH ESO ISS PBL14 END 22.256
HIERARCH ESO ISS PBLA14 START 111.681
HIERARCH ESO ISS PBLA14 END 111.933
HIERARCH ESO ISS PBL23 START 32.432
HIERARCH ESO ISS PBL23 END 32.515
HIERARCH ESO ISS PBLA23 START 18.0
HIERARCH ESO ISS PBLA23 END 18.8
HIERARCH ESO ISS PBL24 START 10.804
HIERARCH ESO ISS PBL24 END 10.832
HIERARCH ESO ISS PBLA24 START 17.947
HIERARCH ESO ISS PBLA24 END 18.753
HIERARCH ESO ISS PBL34 START 21.628
HIERARCH ESO ISS PBL34 END 21.684
HIERARCH ESO ISS PBLA34 START 198.012
HIERARCH ESO ISS PBLA34 END 198.818
HIERARCH ESO ISS AMBI TAU0 START 0.006207
HIERARCH ESO ISS AMBI TAU0 END 0.010679
HIERARCH ESO ISS AMBI TEMP 13.62
HIERARCH ESO ISS AMBI FWHM START 0.55
HIERARCH ESO ISS AMBI FWHM END 0.4