Exposure
ID
GRAVI.2025-07-16T06:29:03.974_1
Header ID
GRAVI.2025-07-16T06:29:03.974
Date updated
2025-07-16 06:45:46 UTC+0000
Release date
2025-07-16 06:45:46 UTC+0000
UTC Start
2025-07-16 06:29:03.974
UTC End
2025-07-16 06:35:03.974
MJD Start
60872.27018489
MJD End
60872.27435155667
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.0045445
Ambient temperature (°C)
11.7
Seeing (arcsec)
0.5449999999999999
Observation
ID
68787
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
51179
Name
G034.0500-00.2977
RA
283.631762
DEC
0.85642
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 65.0320 63.5740 122.7000 123.5000
A0-J2 101.2490 99.0180 92.6000 92.6000
A0-K0 113.6440 112.0960 70.0750 69.7620
G1-J2 55.5790 55.1690 56.6000 56.3000
G1-K0 90.3910 90.4450 35.2020 35.2240
J2-K0 43.6620 43.7410 7.4870 8.2210
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 60872.27018489
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 65.032
HIERARCH ESO ISS PBL12 END 63.574
HIERARCH ESO ISS PBLA12 START 122.7
HIERARCH ESO ISS PBLA12 END 123.5
HIERARCH ESO ISS PBL13 START 101.249
HIERARCH ESO ISS PBL13 END 99.018
HIERARCH ESO ISS PBLA13 START 92.6
HIERARCH ESO ISS PBLA13 END 92.6
HIERARCH ESO ISS PBL14 START 113.644
HIERARCH ESO ISS PBL14 END 112.096
HIERARCH ESO ISS PBLA14 START 70.075
HIERARCH ESO ISS PBLA14 END 69.762
HIERARCH ESO ISS PBL23 START 55.579
HIERARCH ESO ISS PBL23 END 55.169
HIERARCH ESO ISS PBLA23 START 56.6
HIERARCH ESO ISS PBLA23 END 56.3
HIERARCH ESO ISS PBL24 START 90.391
HIERARCH ESO ISS PBL24 END 90.445
HIERARCH ESO ISS PBLA24 START 35.202
HIERARCH ESO ISS PBLA24 END 35.224
HIERARCH ESO ISS PBL34 START 43.662
HIERARCH ESO ISS PBL34 END 43.741
HIERARCH ESO ISS PBLA34 START 7.487
HIERARCH ESO ISS PBLA34 END 8.221
HIERARCH ESO ISS AMBI TAU0 START 0.003505
HIERARCH ESO ISS AMBI TAU0 END 0.005584
HIERARCH ESO ISS AMBI TEMP 11.7
HIERARCH ESO ISS AMBI FWHM START 0.52
HIERARCH ESO ISS AMBI FWHM END 0.57
HIERARCH ESO FT ROBJ NAME 2MASS18543092+005113
HIERARCH ESO FT ROBJ ALPHA 185430.926
HIERARCH ESO FT ROBJ DELTA 005113.010